List of party switchers in the United States

Democratic to Republican

1800-1899

1855 – Reuben Fenton, while U.S. Representative from New York (1853–1855 and 1857–1864), later Governor of New York (1865–1868) & U.S. Senator from New York (1869–1875).
1856 – Hannibal Hamlin, while U.S. Senator for Maine (1848–1861 and 1869–1881), later Governor of Maine (1857) and 15th Vice President of the United States (1861–1865) during the first term of Abraham Lincoln
1856 – Simon Cameron, while U.S. Senator from Pennsylvania (1857–1861 and 1867–1877) and United States Secretary of War (1861–1862)
1856 – Galusha A. Grow, while U.S. Representative from Pennsylvania (1851–1863 and 1894–1903), later 28th Speaker of the United States House of Representatives (1861–1863)
1856 – Glenni William Scofield, while U.S. Representative from Pennsylvania (1863–1875)
1860s – Benjamin Franklin Butler, later became U.S. Representative from Massachusetts (1867–1875 and 1877–1879) and Governor of Massachusetts (1883–1884)
1860s – James M. Hinds, later U.S. Representative from Arkansas (1868)
1864 – Thompson Campbell, former U.S. Representative from Illinois (1851–1853)
1865 – John A. Logan, while U.S. Representative from Illinois, later U.S. Senator from Illinois (1871–1877 and 1879–1886)
1867 – John Adams Dix, former United States Secretary of the Treasury (1861) & U.S. Senator from New York (1845–1849); later elected as Governor of New York (1873–1874)
1869 – David P. Lewis, later Governor of Alabama (1872–1874)
1870 – James Lawrence Orr, former Speaker of the United States House of Representatives (1857–1859) and U.S. Representative (1849–1859), later Governor of South Carolina (1865–1868)
1893 – James A. Walker, Lieutenant Governor of Virginia (1878–1882), later U.S Representative for Virginia (1895–1899)

1900-1949

1911 – Octaviano Ambrosio Larrazolo, later Governor of New Mexico (1919–1921) and U.S. Senator from New Mexico (1928–1929)^[1]
1933 – Raymond Moley, adviser to President Franklin D. Roosevelt^[2]
1939 – Wendell Willkie, later Republican nominee for President in 1940^[3]
1942 – Martin F. Howard, former member of Wisconsin State Assembly^[4]
1942 – Max Galasinski, former member of Wisconsin State Senate^[4]
1946 – Rudolph G. Tenerowicz, former U.S. Representative from Michigan (1939–1943)^[5]
1949 – Joseph A. McArdle, former U.S. Representative from Pennsylvania (1939–1942)^[6]
1949 – Rush D. Holt, Sr., former U.S. Senator from West Virginia (1935–1941)^[7]
1949 – William C. Cramer, later U.S. Representative from Florida (1955–1971)^[8]

1950-1959

1952 – Henry Hyde, later became U.S. Representative from Illinois (1975–2007)
1955 – Ben Adamowski, later Cook County State's Attorney (1956-1960)^[9]
1958 – Odell Pollard
1959 – Francis Grevemberg, former Louisiana State Police Superintendent
1959 – Dud Lastrapes, later mayor of Lafayette, Louisiana

1960-1969

1960s – Arthur Ravenel, Jr., South Carolina State Representative, later U.S. Representative from South Carolina (1987–1995)
1960 – Claude R. Kirk, Jr., later Governor of Florida (1967–1971)
1960 – Charlton Lyons
1962 – Dave Treen, later U.S. Representative from Louisiana (1973–1980) and Governor of Louisiana (1980–1984)
1962 – Jack M. Cox, former Texas State Representative
1962 – James D. Martin, later U.S. Representative from Alabama (1965–1967)
1962 – Ronald Reagan, while an actor and former Screen Actors Guild president.^[10] Later 40th President of the United States (1981–1989)
1962 – Floyd Spence, South Carolina State Representative, later a U.S. Representative from South Carolina (1971–2001)
1963 – Rubel Phillips, former Mississippi Public Service Commissioner
1963 – Stanford Morse, Mississippi State Senator
1963 – James H. Boyce
1964 – Alfred Goldthwaite, Alabama State Representative
1964 – Clarke Reed
1964 – Howard Callaway, later U.S. Representative from Georgia (1965–1967) and United States Secretary of the Army (1973–1975)
1964 – Iris Faircloth Blitch, former Georgia U.S. Representative (1955–1963)
1964 – Charles W. Pickering, later Mississippi State senator and Judge of the United States District Court for the Southern District of Mississippi (2004)
1964 – Strom Thurmond, while U.S. senator from South Carolina (1954–2003).^[11]
1965 – Albert W. Watson, while U.S. Representative from South Carolina (1963–1971) (resigned before switching parties and regained his seat in a special election)^[12]
1965 – Roderick Miller, Louisiana State Representative
1966 – Marshall Parker, South Carolina State Senator
1966 – Joseph O. Rogers, Jr., South Carolina State Representative
1966 – Thomas A. Wofford, former U.S. Senator from South Carolina (1956)
1966 – Len E. Blaylock, later U.S. Marshal for the Eastern District of Arkansas (1975–1978)
1966 – Jerry Thomasson, Arkansas State Representative
1966 – Henry Grover, Texas State Representative
1967 – Thad Cochran, later U.S. Senator from Mississippi (1978–2018)
1967 – William E. Dannemeyer, later U.S. Representative from California (1979–1992)
1967 – Allison Kolb, former Louisiana State Auditor (1952–1956)
1968 – William Reynolds Archer, Jr., while a Texas State Senator, later U.S. Representative from Texas (1971–2001)
1968 – Will Wilson, former Attorney General of Texas (1957–1963)
1968 – James L. Bentley, Comptroller General of Georgia (1963–1971)
1968 – Gerald J. Gallinghouse, later United States Attorney for the Eastern District of Louisiana (1970–1978)

1970-1979

1970 – Jesse Helms, later U.S. Senator from North Carolina (1973–2003)
1970 – A. C. Clemons, Louisiana State Senator
1970 – William Oswald Mills, later U.S. Representative from Maryland (1971–1973)
1970 – Bob Barr, later U.S. Representative from Georgia (1995–2003)
1971 – Tillie K. Fowler, later U.S. Representative from Florida (1993–2001)
1972 – Ed Karst, Mayor of Alexandria
1972 – Robert R. Neall
1972 – Trent Lott, later U.S. Representative from Mississippi (1973–1989) and U.S. Senator from Mississippi (1989–2007)^[13]
1973 – Mills E. Godwin Jr., former Governor of Virginia (1966–1970) and Lieutenant Governor of Virginia (1962–1966). Later Governor of Virginia (1974–1978)
1973 – Samuel I. Hayakawa, later U.S. Senator from California (1977–1983)
1973 – John Connally, former United States Secretary of the Treasury (1971–1972) and former Governor of Texas (1963–1969)
1975 – Elizabeth Dole, later United States Secretary of Transportation (1983–1987), United States Secretary of Labor (1989–1990) and U.S. Senator from North Carolina (2003–2009)
1975 – John Jarman, while U.S. Representative from Oklahoma (1951–1977)^[14]
1976 – Rob Couhig
1977 – A. J. McNamara, Louisiana State Representative
1977 – Lane Carson, Louisiana State Representative
1978 – Robert G. Jones, Louisiana State Senator
1978 – Chris Smith, later U.S. Representative from New Jersey (1981–present).^[15]
1978 – Thomas Bliley, Mayor of Richmond, Virginia, and later U.S. Representative from Virginia (1981–2001)
1978 – Michael F. "Mike" Thompson, Louisiana State Representative
1979 – Charles Grisbaum, Jr., Louisiana State Representative
1979 – Ed Scogin, Louisiana State Representative
1979 – Armistead I. Selden, Jr., former U.S. Representative from Alabama (1953–1969) and United States Ambassador to New Zealand (1974–1979)

1980-1989

1980s – S. S. DeWitt, Louisiana State Representative
1980 – Sam Yorty, former U.S Representative for California (1951–1955) and Mayor of Los Angeles (1961–1973)
1980 – Mac Collins, later U.S Representative from Georgia (1993–2005)
1980 – Jim Donelon, later Louisiana Insurance Commissioner (2006–present)
1980 – Jesse Monroe Knowles, Louisiana State Senator
1980 – Frank D. White, later Governor of Arkansas (1981–1983)
1980 – J.C. "Sonny" Gilbert, Louisiana State Representative
1981 – Bob Stump, while U.S. Representative from Arizona (1977–1003)
1981 – Eugene Atkinson, while U.S. Representative from Pennsylvania (1979–1983)
1982 – Condoleezza Rice, later United States National Security Advisor (2001–2005) and United States Secretary of State (2005–2009)
1982 – Joseph P. Wyatt, Jr., former U.S. Representative from Texas (1979-1981)
1983 – Phil Gramm, while U.S. Representative from Texas (1979–1985) and later U.S. Senator from Texas (1985–2002)
1983 – Bob Martinez, while Mayor of Tampa. Later Governor of Florida (1987–1991) and Director of the National Drug Control Policy (1991–1993)
1984 – V.J. Bella, Louisiana State Representative
1984 – Andy Ireland, while U.S. Representative from Florida (1977–1993)
1984 – H. Edward Knox, Mayor of the City of Charlotte
1984 – Sonny Callahan, Alabama State Senator. Later U.S Representative from Alabama (1985-2003)
1985 – Jeane Kirkpatrick, while U.S. Ambassador to the United Nations (1981–1985) ^[16]
1985 – Edward J. King, former Governor of Massachusetts (1979–1983)
1985 – Dexter Lehtinen, Florida State Representative. Later U.S. Attorney for the Southern District of Florida (1988–1992)
1985 – Kent Hance, former U.S. Representative from Texas (1979–1985)
1985 – Jock Scott, Louisiana State Representative
1985 – Carole Keeton Strayhorn, later Texas Comptroller of Public Accounts (1999–2007)
1986 – William Bennett, while U.S. Secretary of Education (1985–1988)
1986 – Richard Baker, Louisiana State Representative. Later U.S. Representative from Louisiana (1987–2008)
1986 – Charles T. Canady, Florida State Representative. Later U.S. Representative from Florida (1993–2001), Justice of the Supreme Court of Florida (2008–present) and Chief Justice of the Supreme Court of Florida (2010–2012)
1986 – Frank Rizzo, former Mayor of Philadelphia (1972–1980)
1986 – James David Santini, former U.S. Representative from Nevada (1975–1983)
1987 – Paul Hardy, former Secretary of State of Louisiana (1976–1980), later Lieutenant Governor of Louisiana (1988–1992)
1987 – Roy Moore, later Chief Justice of the Alabama Supreme Court (2001–2003)
1987 – Edward Vrdolyak, member of the Chicago City Council and Chairman of the Cook County Democratic Party. He joined the Republican Party after a failed effort to oust Harold Washington as the nominee of the Illinois Solidarity Party in the 1987 mayoral election.^[17]
1987 – Sam Panayotovich, Illinois State Representative and political ally of Vrodlyak.^[18]
1987 – James C. Smith, Attorney General of Florida (1979–1987), later Florida Secretary of State (1987–1995)
1988 – Jim McCrery, later U.S. Representative from Louisiana (1988–2009)
1988 – David Duke, Louisiana State Representative
1988 – Mike Johanns, later Governor of Nebraska (1999–2005), United States Secretary of Agriculture (2005–2007) and U.S. Senator from Nebraska (2009–2015)
1988 – John Rice, Alabama State Senator^[19]
1989 – John Amari, Alabama State Senator
1989 – Pete Johnson, while State Auditor of Mississippi (1988–1992)
1989 – Bill Grant, while U.S. Representative from Florida (1987–1991)
1989 – Tommy F. Robinson, while U.S. Representative from Arkansas (1985–1991)
1989 – Rick Perry, Agriculture Commissioner of Texas. Later Governor of Texas (2000–2015)
1989 – W. Fox McKeithen, Secretary of State of Louisiana (1988-2005)

1990-1999

1990 – Tom Vandergriff, former U.S. Representative from Texas (1983–1985). Later elected as a County Judge (1991–2007)
1990 – Joseph F. Toomy, Louisiana State Representative
1990 – Vito Fossella, later U.S. Representative from New York (1997–2009)
1990 – Lauch Faircloth, later U.S. Senator from North Carolina (1993–1999)^[20]
1991 – Bret Schundler, Mayor of Jersey City
1991 – David Beasley, later Governor of South Carolina (1995–1999)
1991 – Buddy Roemer, while Governor of Louisiana (1988–1992)^[21]
1992 – Byron Looper, Tennessee State Representative
1993 – Edward H. Krebs, Pennsylvania State Representative
1993 – Don W. Williamson, Louisiana State Senator
1994 – Eli Bebout, Wyoming State Representative
1994 – Ron Gomez, Louisiana State Representative
1994 – Woody Jenkins, Louisiana State Representative
1994 – Dan Richey, former Louisiana State Senator
1994 – Ed Austin, while Mayor of Jacksonville
1994 – Walter B. Jones, while running as a Democrat for U.S. Representative from North Carolina. U.S. Representative from North Carolina (1995–present)
1994 – Ed Whitfield, the day before filing as a candidate for the U.S. House in Kentucky. U.S. Representative from Kentucky (1995–2016)
1994 – Ron Gomez, Louisiana State Representative
1994 – Mike Bowers, while Attorney General of Georgia (1981–1997)
1994 – Fob James, former Governor of Alabama (1979–1983). Later Governor of Alabama (1995–1999)
1994 – Richard Shelby, while U.S. Senator from Alabama (1994–present)
1995 – Jimmy Hayes, while U.S. Representative from Louisiana (1987–1997)
1995 – Greg Laughlin, while U.S. Representative from Texas (1989–1997)
1995 – Ben Nighthorse Campbell, while U.S. Senator from Colorado (1993–2005)
1995 – Billy Tauzin, while U.S. Representative from Louisiana (1980–2005)
1995 – Nathan Deal, while U.S. Representative from Georgia (1993–2011). Later became the 82nd Governor of Georgia (2011–present)
1995 – Mike Parker, while U.S. Representative from Mississippi (1989–1999)
1995 – Susana Martinez, later Governor of New Mexico (2011–present)
1995 – Mike Foster, later Governor of Louisiana (1996–2004)
1995 – Donald Ray Kennard, Louisiana State Representative
1995 – Rusty Crowe, Tennessee State Senator
1995 – Milton H. Hamilton, Jr, Tennessee State Senator
1996 – Ronnie Culbreth, Georgia State Representative.^[22]
1996 – Norm Coleman, while Mayor of St Paul. Later U.S. Senator from Minnesota (2003–2009)^[23]
1996 – Jay Blossman, later Louisiana Public Service Commissioner (1997–2008)
1996 – John Hoeven, later Governor of North Dakota (2000-2010), later U.S. Senator from North Dakota (2011–present)
1997 – Steve Windom, Alabama State Senator, later Lieutenant Governor of Alabama (1999–2003)
1997 – Kevin Mannix, Oregon State Representative
1997 – Michael J. Michot, Louisiana House of Representatives
1997 – Chip Bailey, Alabama State Senator
1997 – H. Mac Gipson, Alabama State Representative
1997 – Ronald "Ron" Johnson, Alabama State Representative
1998 – Harry C. Goode, Jr., Florida State Representative
1998 – George Wallace, Jr., former Alabama State Treasurer (1987-1995)
1998 – Gerald Allen, Alabama State Representative
1998 – Steve Flowers, Alabama State Representative
1998 – Tim Parker, Jr., Alabama State Representative
1998 – Herman Badillo, former U.S. Representative from New York (1971–1977)
1998 – David G. Boschert, Maryland State Delegate
1998 – Sonny Perdue, Georgia State Senator. Later Governor of Georgia (2003–2011)
1999 – Nancy Larraine Hoffmann, New York State Senator

2000-2009

2000 – Robert J. Barham, Louisiana State Senator
2000 – Tom McVea, Louisiana State Representative
2001 – Blaine Galliher, Alabama State Representative^[24]
2001 – Clinton LeSueur
2001 – Michael Bloomberg, before running for Mayor of New York City (2002–2014)
2001 – Hunt Downer, Louisiana State Representative
2002 – Amy Tuck, Lieutenant Governor of Mississippi
2002 – Olga A. Méndez, New York State Senator
2002 – Don Cheeks, Georgia State Senator
2002 – Dan Lee, Georgia State Senator
2002 – Rooney Bowen, Georgia State Senator
2002 – Jack Hill, Georgia State Senator
2002 – Terry Burton, Mississippi State Senator^[25]
2002 – Videt Carmichael, Mississippi State Senator^[25]
2003 – James David Cain, Louisiana State Senator
2003 – Travis Little, Mississippi State Senator
2003 – Larry Baker, Mississippi State Representative^[26]
2003 – Jim Barnett, Mississippi State Representative^[26]
2003 – Herb Frierson, Mississippi State Representative^[26]
2003 – Frank Hamilton, Mississippi State Representative^[26]
2003 – John Read, Mississippi State Representative^[26]
2003 – Melinda Schwegmann, former Lieutenant Governor of Louisiana (1992–1996)
2003 – Rick Sheehy, Mayor of Hastings, Nebraska
2004 – Ralph Hall, while U.S. Representative from Texas (1981–2015)^[27]^[28]
2004 – Rodney Alexander, while U.S. Representative from Louisiana (2004–2013)^[29]
2004 – Steve Beren
2004 – Ralph Doxey, Mississippi State Senator
2005 – Michael Diven, Pennsylvania State Representative
2005 – Dan Morrish, Louisiana State Representative
2006 – Sheri McInvale, Florida State Representative
2006 – Don McLeary, Tennessee State Senator
2006 – John Giannetti, Maryland State Senator
2006 – Mickey Channell, Georgia State Representative
2006 – Will Kendrick, Florida State Representative
2006 – Billy Montgomery, Louisiana State Representative
2006 – Jimmy Holley, Alabama State Senator^[30]
2007 – James Walley, Mississippi State Senator
2007 – Tommy Gollott, Mississippi State Senator
2007 – Dawn Pettengill, Iowa State Representative
2007 – Frank A. Howard, Sheriff of Vernon Parish
2007 – Mike Jacobs, Georgia State Representative ^[31]
2007 – John Neely Kennedy, State Treasurer of Louisiana. Later U.S. Senator for Louisiana (2017-present)
2007 – Robert Adley, Louisiana State Senator
2008 – Nolan Mettetal, Mississippi State Senator^[32]
2008 – Sid Bondurant, Mississippi State Representative
2008 – Gil Pinac, former Louisiana State Representative
2009 – Chuck Hopson, Texas State Representative^[33]
2009 – Billy Nicholson, Mississippi State Representative^[34]
2009 – Tom Salmon, Vermont Auditor of Accounts^[35]
2009 – Tom Saviello, Maine State Representative, elected to Maine Senate as a Republican in 2010^[36]

2010-Present

2010 – Steve Levy, County Executive of Suffolk County, New York^[37]
2010 – C. Scott Bounds, Mississippi State Representative^[38]
2010 – Scott Angelle, Lieutenant Governor of Louisiana (2010-2010). Later Director of the Bureau of Safety and Environmental Enforcement (2017-present)
2010 – Alan Boothe, Alabama State Representative^[39]
2010 – Steve Hurst, Alabama State Representative^[39]
2010 – Mike Millican, Alabama State Representative^[39]
2010 – Lesley Vance, Alabama State Representative^[39]
2010 – Ellis Black, Georgia State Representative^[40]
2010 – Amy Carter, Georgia State Representative^[40]
2010 – Mike Cheokas, Georgia State Representative^[40]
2010 – Bubber Epps, Georgia State Representative^[40]
2010 – Gerald Greene, Georgia State Representative^[40]
2010 – Bob Hanner, Georgia State Representative^[40]
2010 – Doug McKillip, Georgia State Representative^[40]
2010 – Alan Powell, Georgia State Representative^[40]
2010 – Tim Golden, Georgia State Senator^[40]
2010 – Chris Steineger, Kansas State Senator^[40]
2010 – Simone B. Champagne, Louisiana State Representative^[41]
2010 – Noble Ellington, Louisiana State Representative^[41]
2010 – Walker Hines, Louisiana State Representative^[41]
2010 – Fred Mills, Louisiana State Representative^[41]
2010 – Jim Preuitt, Alabama State Senator^[30]
2010 – John Alario, Louisiana State Senator^[40]^[41]
2010 – John Smith, Louisiana State Senator^[40]
2010 – Mike Willette, Maine State Representative^[40]
2010 – Bobby Shows, Mississippi State Representative^[40]
2010 – Cindy Hyde-Smith, Mississippi State Senator^[40]
2010 – Eldon Nygaard, South Dakota State Senator^[40]
2010 – Aaron Pena, Texas State Representative^[40]
2010 – Allan Ritter, Texas State Representative^[40]
2011 – Tom Butler, Alabama State Senator^[42]^[43]
2011 – Buddy Caldwell, Louisiana Attorney General (2008-2016)^[44]
2011 – Russ Nowell, Mississippi State Representative^[45]
2011 – Margaret Rogers, Mississippi State Representative^[45]
2011 – Jeff Smith, Mississippi State Representative^[45]
2011 – Ezell Lee, Mississippi State Senator^[46]
2011 – Charles Graddick, Alabama Circuit Judge and former Attorney General of Alabama (1979-1987)
2011 – Charles "Bubba" Chaney, Louisiana State Representative^[45]
2011 – Billy Chandler, Louisiana State Representative^[45]
2011 – Mike "Pete" Huval, Louisiana State Representative
2011 – Bob Hensgens, Mayor of Gueydan, Louisiana
2011 – Jody Amedee, Louisiana State Senator^[45]
2011 – Norby Chabert, Louisiana State Senator^[45]
2011 – Mark Grisanti, New York State Senator, ^[47]
2011 – D. Bruce Goforth, former North Carolina State Representative^[48]
2011 – Linda Collins-Smith, Arkansas State Representative^[45]
2011 – Taylor Barras, Louisiana State Representative^[45]
2011 – Bert Jones, North Carolina State Representative
2011 – Jim Slezak, Michigan State Representative^[49]
2011 – Gray Tollison, Mississippi State Senator^[50]
2011 – Donnie Bell, Mississippi State Representative^[50]
2011 – Sarah Maestas-Barnes, New Mexico State Representative
2012 – J. M. Lozano, Texas State Representative^[51]
2012 – Roy Schmidt, Michigan State Representative^[45]
2012 – Arthur J. Williams, North Carolina State Representative^{[citation needed]}
2012 – Christine Watkins, Utah State Representative^[52]
2012 – Jason White, Mississippi State Representative^[50]^[53]
2012 – Alan Harper, Alabama State Representative^[54]
2012 – Jerry L. Fielding, Alabama State Senator^[55]
2013 – Lindsey Holmes, Alaska State Representative^[56]
2013 – Nickey Browning, Mississippi State Senator^[57]^[50]
2013 – Elbert Guillory, Louisiana State Senator^[58]
2013 – Rick Ward, III, Louisiana State Senator^[58]
2013 – James R. Fannin, Louisiana State Representative^[58]
2013 – Andy Nuñez, New Mexico State Representative^[59]
2013 – Ryan Ferns, West Virginia State Representative^[60]
2014 – Charles Newton, Alabama State Representative^[61]
2014 – Andy Nuñez, New Mexico State Representative^[62]
2014 – Randall Patterson, Mississippi State Representative^[50]
2014 – Daniel Hall, West Virginia State Senator^[63]
2014 – Linda Black, Missouri State Representative^[64]
2014 – Mark Miloscia, Washington State Representative^[65]
2014 – Gene Taylor, former U.S. Representative from Mississippi (1989-2011)^[66]
2015 – Mike Holcomb, Arkansas State Representative^[67]
2015 – Kim Davis, County Clerk of Rowan County, Kentucky^[68]
2015 – Jody Steverson, Mississippi State Representative^[69]
2015 – Denver Butler, Kentucky State Representative^[70]
2015 – Carlyle Begay, Arizona State Senator^[71]
2015 – Jim Gooch, Kentucky State Representative^[72]
2015 – Eric Greitens, later Governor of Missouri (2016–2018)^[73]
2015 – Omarosa Manigault, later Director of Communications for the Office of Public Liaison (2017)^[74]
2016 – Karen MacBeth, Rhode Island State Representative^[75]
2016 – Yancey McGill, Lieutenant Governor of South Carolina (2014-2015)^[76]
2016 – David Hillman, Arkansas State Representative^[77]
2016 – Jeff Wardlaw, Arkansas State Representative^[77]
2016 – Joe Jett, Arkansas State Representative^[77]
2016 – Wilbur Ross, later United States Secretary of Commerce (2017–present)^[78]
2017 – Michelle Rehwinkel Vasilinda, former Florida State Representative^[79]
2017 – Mariellen MacKay, New Hampshire State Representative^[80]
2017 – William Brisson, North Carolina Assemblyman^[81]
2017 – Rupert Phillips, West Virginia State Delegate^[82]
2018 – Mike Oliverio, former West Virginia State Senator^[83]
2018 – Bobby Bright, former U.S. Representative from Alabama (2009–2011)^[84]

Democratic to Other Party

1878 – Hendrick Bradley Wright, U.S Representative from Pennsylvania (1853–1855, 1861–1863 and 1877–1881), ran for reelection on the Greenback Party
1884 – Absolom M. West, member of the Mississippi State Senate. He joined the Greenback Party and was their Vice Presidential candidate in 1884.^[85]
1996 - Daniel Hamburg, former U.S. Representative (1993-1995) to Green Party^[86]
1999 – Audie Bock, California State Assemblywoman to Green Party^[87]
2000 – Matt Gonzalez, Supervisor of the San Francisco Board of Supervisors to Green Party.^[88]
2003 – Matt Ahearn, New Jersey State Representative to Green Party.^[89]
2002 – Tim Penny, former U.S Representative from Minnesota (1983–1995) to Independence Party of Minnesota
2005 – Jim Lendall, Arkansas State Representative joined the Green Party.^[90]
2006 – Bill Paparian, Mayor of Pasadena to Green Party.
2007 – Cynthia McKinney, former U.S. Representative from Georgia (1993–2003 and 2005–2007) to Green Party^[91]
2012 - Adolfo Carrión, Jr., former Bronx Borough President and Director of the Office of Urban Affairs, to Independence Party of New York.^[92]^[93]
2012 - Fred Smith, Arkansas State Representative to Green Party.^[94]
2017 – Henry John Bear, Maine State Representative to Maine Green Independent Party.^[95]^[96]
2017 – Ralph Chapman, Maine State Representative to Maine Green Independent Party.^[97]
2017 – Joseph Stallcop, New Hampshire State Representative to Libertarian Party^[98]

Democratic to Independent

1970 – Harry F. Byrd, Jr., while U.S. Senator from Virginia (1965–1983)^[99]
2006 – Joe Lieberman, while U.S. Senator from Connecticut (1989–2013), to run as an independent, on the Connecticut for Lieberman ballot line, for US Senate in Connecticut, after losing to challenger Ned Lamont in the Democratic Primary.^[100]
2006 – Avel Gordly, Oregon State Senator.^[101]^[102]
2009 – Timothy P. Cahill, Treasurer and Receiver-General of Massachusetts (2003–2011)^[103]
2009 – Juan Arambula, California State Assemblyman^[104]
2009 – Kathleen Curry, Colorado State Representative^[105]
2010 – Bob Ziegelbauer, Wisconsin State Assemblyman.^[106]
2013 – Richard Laird, Alabama State Representative^[107]
2013 – John Olumba, Michigan State Representative.
2014 – Terry Hayes, Maine State Treasurer.^[108]
2015 – Keith English, Missouri State Representative.^[109]
2015 – Paul Tine, North Carolina State Representative.^[110]
2016 - Ben Jones, former U.S. Representative from Georgia (1989-1993).^[111]
2016 – Mike Huether, Mayor of Sioux Falls, South Dakota.^[112]
2017 – Denise Harlow, Maine State Representative^[113]^[114]
2017 – Martin Grohman, Maine State Representative^[113]
2017 – Cheri Jahn, Colorado State Senator^[115]
2017 – Nicholas Sposato, Chicago City Councillor^[116]

Republican to Democratic

Before 1960

1860s – Henry George
1860s – Salmon P. Chase, former Senator from (1849–1855, 1861), Governor of Ohio (1856–1860) and Secretary of the Treasury (1861–1864) and later Chief Justice of the United States (1864–1873)
1860s – Andrew Gregg Curtin, former Governor of Pennsylvania (1861–1867), later U.S. Congressman from Pennsylvania (1881–1887)
1860s – Alonzo Garcelon, later served as Governor of Maine (1879–1880)
1867 – John Quincy Adams II, member of the Massachusetts House of Representatives and grandson of President John Quincy Adams^[117]
1872 – Edmund G. Ross, former U.S. Senator from Kansas (1866–1871)
1877 – James B. Weaver, later U.S. Representative from Iowa (1879-1889)
1880 – Benjamin Butler, former U.S. Representative from Massachusetts (1867-1879), later Governor of Massachusetts (1883-1884)
1880 – C. H. J. Taylor, African American journalist. He was later Minister of Liberia (1887-1888) and Recorder of Deeds for the District of Columbia (1893-1897)^[118]^[119]
1922 – Royal S. Copeland, later U.S. Senator from New York (1923-1938)^[120]
1932 – Robert Russa Moton, principal of Tuskegee Institute.^[121]
1932 – Phelps Phelps, New York Assemblyman, later Governor of American Samoa (1951–1952)
1932 – Arthur W. Mitchell, later U.S. Representative from Illinois (1935–1943)^[122]
1936 – Ellis E. Patterson, California State Assemblyman, later Lieutenant Governor of California (1939-1943) and U.S. Representative from California (1945-1947)^[123]
1939 – William L. Dawson, later U.S. Representative from Illinois (1943-1970)^[124]
1939 – Corneal A. Davis, later a member of the Illinois House of Representatives (1943–1979)^[124]
1940 – Perle Mesta, later United States Ambassador to Luxembourg (1949–1953)^[125]
1957 – James C. Oliver, former U.S. Representative from Maine (1937–1943), later served as U.S. Representative from Maine (1959–1961).^[126]

1960-1969

1960s – Pete Stark, later served as U.S. Representative from California (1973–2013)
1960s – Howard Dean, later Lieutenant Governor of Vermont (1987–1991), Governor of Vermont (1991–2003) and Chair of the Democratic National Committee (2005–2009)
1960s – Archibald Carey, Jr., later Mayor of Shreveport, Louisiana
1962 – Calhoun Allen, Commissioner of Public Utilities
1964 – William Cousins, later member of the Chicago City Council (1967-1976)^[127]
1967 – William G. Barr, Illinois State Representative^[128]
1968 – Hillary Clinton, later First Lady of the United States (1993–2001), U.S. Senator from New York (2001–2009), United States Secretary of State (2009–2013) and nominee of the Democratic Party for President of the United States in the 2016 election.

1970-1979

1970 – Floyd K. Haskell former Colorado State Representative (1965-1969) and later U.S. Senator from Colorado (1973–1979)^[129]
1971 – John Lindsay, Mayor of New York City^[130]
1971 – Leon Panetta, later served as U.S. Representative from California (1976–1993), White House Chief of Staff (1994–1997), Director of the C.I.A. (2009–2011) and U.S. Secretary of Defense (2009–2013)
1972 – Ogden R. Reid, while U.S. Representative from New York (1963–1975)
1972 – Herman Goldner, Mayor of St. Petersburg^[131]
1973 – Joan Finney, later Kansas State Treasurer (1974-1991) and Governor of Kansas (1991–1995)
1973 – Don Riegle, while U.S. representative from Michigan (1967–1976) and later U.S. Senator from Michigan (1976–1995)
1973 – Edward Meyer, New York State Assemblyman
1976 – James Glisson, Florida State Senator
1976 – Howard Oda, Hawaii State Representative^[132]
1977 – Lloyd H. Kincaid, Wisconsin State Assemblyman
1977 – Peter Peyser, U.S. Representative from New York (1971–1977 and 1979–1983)
1978 – John Peavey, Idaho State Senator

1980-1989

1980 – Thomas M. Foglietta, Member of the Philadelphia City Council, later served as U.S. Representative from Pennsylvania (1981–1997) and United States Ambassador to Italy (1997–2001)
1985 – John Yarmuth, later served as U.S. Representative from Kentucky (2007–present)
1985 – Chris Coons, later U.S. Senator from Delaware (2010-present)^[133]
1987 – Martha Ezzard, Colorado State Senator
1988 – Albio Sires, later served as U.S. Representative from New Jersey (2006–present)
1988 – Duane Woodard, Colorado Attorney General
1988 – Ann Kobayashi, Hawaii State Senator
1988 – Milton Marks, California State Senator^[134]

1990-1999

1991 – Markos Moulitsas, later founder of Daily Kos^[135]
1992 – Loretta Sanchez, later served as U.S. Representative from California (1997–2017)^[136]
1992 – Frank Pecora, Pennsylvania State Senator^[137]
1992 – Mike Doyle, later served as U.S. Representative from Pennsylvania (1995–present)^[137]
1992 – Mark Takano, later served as U.S. Representative from California (2013-present)^[138]
1994 – Bernard Erickson, Texas State Representative^[139]
1995 – Elizabeth Warren, later served as U.S. Senator from Massachusetts (2013–present)^[140]
1996 – Carolyn McCarthy, later served as U.S. Representative from New York (1997–2015)^[141]
1996 – Ralph Neas, executive director of the Leadership Conference on Civil Rights^[142]
1996 – Russell W. Peterson, former Governor of Delaware (1969–1973)^[143]
1997 – Debra J. Mazzarelli, New York State Assemblywoman^[144]
1999 – Michael Forbes, while serving as U.S. Representative from New York (1995–2001)^[145]

2000-2009

2000 – Jeff Enfinger, Alabama State Senator^[146]
2000 – Gabrielle Giffords, later U.S. Representative from Arizona (2007–2012)
2000 – Scott Heidepriem, South Dakota State Senator
2000 – Dean Elton Johnson, Minnesota State Senator.^[23]^[147]
2000 – Mark DeSaulnier, Contra Costa County Supervisor. Later U.S. Representative for California (2015–present)^[148]
2000 – Judi Dutcher, Minnesota State Auditor (1995–2003)^[145]
2000 – Margaret Gamble, South Carolina State Representative^[149]
2000 – Mickey Whatley, South Carolina State Representative^[149]
2000 – Randy Sauder, Georgia State Representative
2000 – Ed Schultz^[150]
2001 – John A. Lawless, Pennsylvania House of Representatives.^[151]
2001 – Kathy Ashe, Georgia State Representative
2001 – Barbara McIlvaine Smith, Pennsylvania State Representative
2002 – D. G. Anderson, Hawaii State Senator
2002 – Charles R. Larson, former Superintendent of United States Naval Academy (1983–1986 and 1994–1998).^[152]
2002 – Ray Nagin, later Mayor of New Orleans (2002–2010)
2002 – Douglas Stalnaker, West Virginia House of Delegates
2003 – Michael Decker, North Carolina State Representative
2003 – Barbara Hafer, State Treasurer of Pennsylvania (1997–2005)^[153]
2003 – Corey Corbin, New Hampshire State Representative
2003 – Stan Moody, Maine State Representative
2003 – Nancy Boyda, later U.S. Representative from Kansas (2005–2007)
2003 – John E. Moore, later Lieutenant Governor of Kansas (2003–2007)
2004 – Arthur Mayo, Maine State Senator
2004 – Scott Dix, Georgia State Representative
2005 – Tim Mahoney, later U.S. Representative for Florida (2007–2009)
2005 – Paul J. Morrison, District Attorney for Johnson County, Kansas, later Kansas Attorney General (2006–2007)^[154]^[155]
2005 – Steve Lukert, Kansas State Representative^[156]
2006 – James Webb, former United States Secretary of the Navy (1987–1988), later U.S. Senator from Virginia (2007–2013)
2006 – Mark Parkinson, Kansas State Senator, later Lieutenant Governor of Kansas (2007–2009) and Governor of Kansas (2009–2011)^[155]^[157]
2006 – Charles Barkley
2006 – Nancy Riley, Oklahoma State Senator
2006 – Kate Witek, Nebraska Auditor of Public Accounts (1999-2007)^[158]
2006 – Sam Kitzenberg, Montana State Senator.^[159]
2006 – Rodney Tom, Washington State Representative
2006 – Diana Urban, Connecticut State Representative.
2006 – Cindy Neighbor, Kansas State Representative
2006 – Wendy Davis, Member of the Fort Worth City Council, later Texas State Senator and 2014 Democratic nominee for Governor of Texas
2007 – Pete McCloskey, former U.S. Representative from California (1967–1983)^[160]^[161]
2007 – Walter Boasso, Louisiana state senator
2007 – Janet DiFiore, District Attorney of Westchester County, New York^[162]^[163]
2007 – Paul D. Froehlich, Illinois State Representative.^[18]
2007 – Mike Spano, New York State Assemblyman
2007 – Chris Koster, Missouri State Senator, later Missouri Attorney General (2009–2017) and 2016 Democratic nominee for Governor of Missouri ^[164]
2007 – Milward Dedman, Kentucky State Representative
2007 – Melvin B. Henley, Kentucky State Representative
2007 – Kirk England, Texas State Representative^[165]
2007 – James Hovland, Mayor of Edina, Minnesota
2007 – Francis Bodine, New Jersey State Representative
2007 – Debbie Stafford, Colorado State Representative^[166]
2007 – Fred Jarrett, Washington State Representative
2007 – Karen Awana, Hawaii State Representative
2007 – Mike Gabbard, Hawaii State Senator^[167]
2008 – David L. Hogue, Utah State Representative^[168]
2009 – Dale Swenson, Kansas State Representative^[169]^[170]

2010-present

2010 – Steve Fox, California State Assemblyman
2011 – Wade Hurt, Kentucky State Representative
2011 – Patrick Murphy, later served as U.S. Representative from Florida (2013–2017)
2012 - Ron Erhardt, Minnesota State Representative
2012 – Peter Koo, New York City Councilman^[171]
2013 – Jean Schodorf, Kansas State Senator
2013 – Tom O'Halleran, Arizona State Senator, later U.S. Representative from Arizona (2017-present).^[172]
2013 – Brad Ashford, Nebraska State Senator, later U.S. Representative from Nebraska (2015–2017)
2013 – John Bohlinger, former Lieutenant Governor of Montana (2005–2013)
2013 – Lawrence E. Meyers, Texas Court of Criminal Appeals Judge.
2013 – Nathan Fletcher, California State Assemblyman.^[173]
2014 – Aaron Johanson, Hawaii State Representative^[174]
2015 – John Ceretto, New York State Assemblyman
2017 – Kymberly Pine, Honolulu City Councillor.^[175]
2017 – Beth Fukumoto, Hawaii State Representative and Republican Minority Leader.^[176]
2018 – Ken Maddox, former California State Assemblyman (1998-2004).^[177]
2018 – Bob Krist, Nebraska State Senator^[178]
2018 – Richard Painter, Chief White House Ethics Lawyer (2005-2007)^[179]^[180]
2018 – Steve Schmidt, political strategist and operations chief for John McCain's 2008 presidential campaign.^[181]
2018 – Aundre Bumgardner, former member of the Connecticut House of Representatives (2015-2017).^[182]

Republican to Other Party

1891 – James Weaver, Republican turned Greenbacker, later was a founder of the Populist Party and ran for president on that party's ticket in 1892.
1893 – William M. Stewart, U.S. Senator from Nevada (1864–1875 and 1887–1905) switched to the Silver Party^[183]
1895 – John P. Jones, U.S. Senator from Nevada (1873–1903) switched to Silver Party^[184]
1896 – Wharton Barker switched to the Populist Party.
1896 – Lee Mantle, U.S. Senator from Montana (1895–1899) switched to Silver Republican Party.^[185]
1896 – Richard F. Pettigrew, U.S. Senator from South Dakota (1889–1901) switched to Silver Republican Party.^[186]
1896 – Frank J. Cannon, U.S. Senator from Utah (1896–1899) switched to Silver Republican Party.^[187]
1897 – Henry M. Teller, U.S. Senator from Colorado (1876–1882 and 1885–1909) switched to Silver Republican Party^[188]
1897 – Fred T. Dubois, U.S. Senator from Idaho (1891–1897 and 1901–1907) switched to Silver Republican Party.^[189]
1934 – Robert M. La Follette, Jr., U.S. Senator from Wisconsin (1925-1947) switched to the Progressive Party.^[190]
2000 – Rick Jore, Montana State Representative to U.S. Constitution Party.^[191]
1937 – Vito Marcantonio, U.S. Representative from New York (1935–1937 and 1939–1951) switched to the Labor Party
2012 – Gary Johnson, former Governor of New Mexico (1995–2003), switched to the Libertarian Party and became their nominee for President of the United States in both the 2012 election and 2016 election.
2012 – Buddy Roemer, former Governor of Louisiana (1988–1992), switched to the Reform Party.
2012 – Daniel P. Gordon, Rhode Island State Representative joined the Libertarian Party.^[192]^[193]
2016 – William Weld, former Governor of Massachusetts (1991–1997), switched to the Libertarian Party
2016 – John Moore, Nevada Assemblyman switched to Libertarian Party^[194]
2016 – Laura Ebke, Nebraska State Senator, switched to the Libertarian Party.^[195]
2016 – Mary Matalin^[196]
2016 – Mark B. Madsen, Utah State Senator, switched to the Libertarian Party.^[197]
2017 – Caleb Dyer, New Hampshire State Representative switched to the Libertarian Party^[98]
2017 – Brandon Phinney, New Hampshire State Representative switched to the Libertarian Party^[198]
2018 – Sam McCann, Illinois State Senator switched to the Conservative Party.^[199]
2018 – Aubrey Dunn Jr., New Mexico Commissioner of Public Lands switched to the Libertarian Party.^[200]^[201]

Republican to Independent

1936 – George William Norris, U.S. senator from Nebraska (1913–1943)^[202]
1980 – John Anderson, U.S. Representative from Illinois (1961–1981).
1990 – Lowell P. Weicker, Jr., former U.S. Senator for Connecticut (1971–1989). Later Independent Governor of Connecticut (1991–1995)^[203]
2001 – James M. Jeffords, U.S. senator from Vermont (1989–2007).^[204]^[205]^[206]
2005 – David Durenberger, former U.S. Senator from Minnesota (1979-1995).^[207]
2007 – Rick Singleton, Rhode Island State Representative^[208]
2007 – Micheal R. Williams, Tennessee State Senator^[209]
2007 – Michael Bloomberg, Mayor of New York^[210]
2008 – Ron Erhardt, Minnesota State Representative.^[211]
2009 – Jim Campbell, Maine State Representative^[212]
2014 – Larry Pressler, former U.S. Senator from South Dakota (1979-1997)^[213]
2014 – Sue Wagner, former Lieutenant Governor of Nevada (1991–1995)^[214]
2014 – Bill Walker. Later Independent Governor of Alaska (2014-present)^[215]
2015 – Nate Bell, Arkansas State Representative.^[216]
2016 – Tom Campbell, former U.S. Representative from California (1989-2001).^[217]
2016 – Larry Dunphy, Maine State Representative^[218]
2016 – David Johnson, Iowa State Senator^[219]
2016 – George Will^[220]
2017 – Joe Scarborough, former U.S. Representative from Florida (1995–2001)^[221]
2017 – Kevin Battle, Maine State Representative^[113]
2017 – Norm Higgins, Maine State Representative^[113]
2018 – Charles Djou, former U.S. Representative from Hawaii (2010-2011)^[222]
2018 – John Doll, Kansas State Senator^[223]
2018 – Steve Poizner, California Insurance Commissioner (2007-2011)^[224]
2018 – Dev Davis, San Jose City Councillor^[225]
2018 – Johnny Khamis, San Jose City Councillor^[225]
2018 – Max Boot^[226]

Independent or Other Party to Democratic

1955 – Wayne Morse, U.S. Senator from Oregon (1945–1969), changed from an Independent to a Democrat on February 17, 1955^[227]
1996 – Walt Minnick, later Congressman from Idaho's 1st congressional district (2009-2011)^[228]
2002 – Joe Bertram, switched from the Green Party.^[229]
2004 – Peter Clavelle, while Mayor of Burlington left the Vermont Progressive Party.
2004 – Kyrsten Sinema, left the Green Party. Later U.S. Representative from Arizona (2013-present).^[230]
2006 – David Segal, initially elected as a Green to the Providence City Council, he joined the Democratic Party to run for the Rhode Island House of Representatives where he served from 2007-2011.^[231]^[232]
2009 – Richard Carroll, Arkansas Representative. At the time of his switch, he was the only Green Party state legislator in the United States.^[233]
2015 – Ben Chipman, Maine State Representative.^[234]
2018 – Michael Bloomberg, former Mayor of New York City, switched from independent^[235]

Independent or Other Party to Republican

1941 – Henrik Shipstead, while U.S. Senator from Minnesota, switched from the Farmer-Labor Party to the Republican Party.^[236]
2011 – Joel Robideaux, while a Louisiana State Representative. He was initially elected as an independent.^[237]
2016 – Blake Filippi, Rhode Island State Representative, switched from Independent to Republican; he had also been Republican previously until 2012.^[238]

Multiple Party Switches

Democratic to Republican to Democratic

1965 – Arlen Specter, U.S. Senator from Pennsylvania (1981–2011). He was a Republican from 1965-2009 and a Democrat from 1951-1965 and 2009-2012.^[239]
2003 – Tommy Dickerson, Mississippi State Senator.^[240]
2003 – Johnny Ford, Alabama State Representative.^[241]^[242]
2008 – Jim Bradford, South Dakota State Representative.
2009 – Parker Griffith, former U.S. Representative from Alabama (2009-2011). Joined the Republican Party in 2009, but returned to the Democratic Party in 2014.^[243]
2012 – Artur Davis, former U.S. Representative from Alabama (2003–2011). Joined the Republican Party in 2012, but returned to the Democratic Party in 2015.^[244]
2015 - Joe Baca, former U.S. Representative from California (1999–2013). Joined the Republican Party in 2015, but returned to the Democratic Party in 2018.^[245]^[246]

Republican to Democratic to Republican

1960 – Jerry Solomon, later U.S. Representative from New York (1979-1999)^[247]
1974 – Matthew G. Martinez, U.S. Representative from California (1982-2001)^[248]
1992 – Evan Jenkins, West Virginia State Delegate. Later U.S. Representative for West Virginia (2015–2019)^[249]
1997 – Betsy McCaughey, Lieutenant Governor of New York (1995–1998)
2001 – Robert R. Neall, Maryland State Senator.^[250]
2017 – Jim Justice, Governor of West Virginia (2017–present)^[251]
2018 – Daniel Boman, Alabama State Representative.

Other Variations

1890 – Thomas E. Watson switched to the Populist Party. Later U.S. Senator for Georgia as a Democrat (1921–1922).
1908 – Theodore A. Bell, former U.S. Representative from California (1903–1905). He ran in several elections under different party's banners.
1913 – Miles Poindexter, U.S. Senator from Washington (1911–1923) switched to the Progressive Party until rejoining the Republican Party two years later.^[252]
1936 - Henry A. Wallace, United States Secretary of Agriculture (1933–1940), Vice President of the United States (1941–1945), United States Secretary of Commerce (1945–1946). He was a Republican, then a Democrat, then a Progressive before returning to the Republican Party.
1974 – D. French Slaughter, Jr., while serving in the Virginia House of Delegates became an independent. Later elected to Congress as a Republican (1985–1991).
1988 – Ron Paul, former U.S. Representative (1976–1977 and 1979–1985), ran for president as a Libertarian. He later returned to Congress as a Republican (1997–2012).
1990 – Walter Hickel, former United States Secretary of the Interior (1969–1970) left Republican Party before his successful bid for Governor of Alaska (1966–1969 and 1990–1994), as nominee of the Alaskan Independence Party.^[253] He rejoined the Republican party in 1994.
1994 – Wes Watkins, Democratic U.S Congressman from Oklahoma (1977–1991), Democratic (1990) & Independent (1994) candidate for Governor of Oklahoma & Republican U.S. Congressman from Oklahoma (1997–2003)
1999 – Bob Smith, U.S. Senator from New Hampshire (1990–2003), left the Republican Party on July 13, 1999 while running for the party's presidential nomination; became an independent and declared himself a candidate for the U.S. Taxpayers Party presidential nomination and an independent candidate. On November 1, 1999, he returned to the Republican Party when a Senate committee chairmanship became open.^[254]
1999 – Donald Trump, businessman and real-estate developer, later 45th President of the United States has been at various times a Republican, Democratic and Reform Party member.
1999 – Joel Giambra, City Comptroller of Buffalo, New York (1990-1999), County Executive of Erie County, New York (2000-2007). He joined the Republican Party in 1999. In 2018, he joined the Reform Party of New York State to run for governor.^[255]
2000 – Virgil Goode, former U.S. Representative from Virginia (1997–2009). Initially a Democrat, he sat as an Independent and later a Republican during his time in Congress. After Congress, he switched to the Constitution Party and became their nominee for President of the United States in the 2012 election.^[256]^[257]
2001 – Michael Bloomberg, before running for Mayor of New York City (2002–2014)
2002 - Sheila Kiscaden, while a Minnesota State Senator. She joined and won reelection as the Independence Party of Minnesota before accepting an intivation to joine the Minnesota Democratic–Farmer–Labor Party in 2006.^[23]
2007 – Lincoln Chafee, Governor of Rhode Island (2011–2015), former Republican U.S. Senator for Rhode Island (1999–2007), switched to Democrat^[258]
2008 – Mike Gravel, former U.S. Senator from Alaska (1969–1981) and 2008 presidential candidate switched from Democrat to Libertarian before returning to the Democratic Party in 2010.^[259]
2010 – Tom Tancredo, former U.S. Representative from Colorado (1999–2009), switched to the Constitution Party to run for Governor of Colorado.
2012 – Charlie Crist, former Republican Governor of Florida (2007–2011) and Independent senatorial candidate in 2010, switched to Democrat^[260]

Within Other Parties

2000 – Jesse Ventura, while governor of Minnesota, left the Reform Party, along with most of his supporters, to refound the Independence Party of Minnesota.^[261]

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