100th United States Congress

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100th United States Congress
99th ←
→ 101st

January 3, 1987 – January 3, 1989
Members100 senators
435 representatives
5 non-voting delegates
Senate majorityDemocratic
Senate PresidentGeorge H. W. Bush (R)
House majorityDemocratic
House SpeakerJim Wright (D)
1st: January 6, 1987 – December 22, 1987
2nd: January 25, 1988 – October 22, 1988

The 100th United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, D.C., from January 3, 1987, to January 3, 1989, during the last two years of Ronald Reagan's presidency. The apportionment of seats in the House of Representatives was based on the 1980 United States census.

This is the most recent Congress with a Democratic senator from the state of Mississippi, John C. Stennis, who retired at the end of Congress, and a Republican senator from the state of Connecticut, Lowell Weicker, who lost re-election in 1988.

Both chambers had a Democratic majority, with the Democrats increasing their lead in the House, and regaining the Senate for the first time since the 96th Congress from 1979 to 1981.

Major events[edit]

President Ronald Reagan with Vice President George Bush and House Speaker Jim Wright during the 1988 State of the Union Address, January 25, 1988

Major legislation[edit]

President Reagan signed the Civil Liberties Act of 1988 into law, August 10, 1988.

Treaties ratified[edit]


Party summary[edit]


Senators' party membership by state at the opening of the 100th Congress in January 1987
  2 Democrats
  1 Democrat and 1 Republican
  2 Republicans
(shading shows control)
Total Vacant
End of previous congress 48 52 100 0
Begin 55 45 100 0
End 54 46
Final voting share 54.0% 46.0%
Beginning of next congress 55 45 100 0

House of Representatives[edit]

House representation by state
(shading shows control)
Total Vacant
End of previous congress 251 180 431 4
Begin 258 177 435 0
End 255 178 4332
Final voting share 58.9% 41.1%
Non-voting members 4 1 5
Beginning of next congress 259 174 433 2



Senate President
Senate President pro Tempore

Majority (Democratic) leadership[edit]

Minority (Republican) leadership[edit]

House of Representatives[edit]

House Speaker

Majority (Democratic) leadership[edit]

Minority leadership[edit]



This list is arranged by chamber, then by state. Senators are listed by class, and representatives are listed by district.


Senators are popularly elected statewide every two years, with one-third beginning new six-year terms with each Congress, In this Congress, Class 1 meant their term ended with this Congress, facing re-election in 1988; Class 2 meant their term began in the last Congress, facing re-election in 1990; and Class 3 meant their term began in this Congress, facing re-election in 1992.

House of Representatives[edit]

Changes in membership[edit]


Senate changes
Vacated by Reason for change Successor Date of successor's
formal installation[a]
Edward Zorinsky (D) Died March 6, 1987.
Successor was appointed to finish the term.
David Karnes (R) March 11, 1987

House of Representatives[edit]

House changes
District Vacated by Reason for change Successor Date of successor's
formal installation[a]
California's 5th Sala Burton (D) Died February 1, 1987 Nancy Pelosi (D) June 2, 1987
Connecticut's 4th Stewart McKinney (R) Died May 7, 1987 Chris Shays (R) August 18, 1987
Tennessee's 5th Bill Boner (D) Resigned October 5, 1987 Bob Clement (D) January 19, 1988
Virginia's 5th Dan Daniel (D) Died January 23, 1988 Lewis F. Payne Jr. (D) June 14, 1988
Louisiana's 4th Buddy Roemer (D) Resigned March 14, 1988, after being elected Governor of Louisiana Jim McCrery (R) April 16, 1988
New Jersey's 3rd James J. Howard (D) Died March 25, 1988 Frank Pallone (D) November 8, 1988
Illinois's 21st Melvin Price (D) Died April 22, 1988 Jerry Costello (D) August 9, 1988
Tennessee's 2nd John Duncan Sr. (R) Died June 21, 1988 Jimmy Duncan (R) November 8, 1988
New York's 19th Mario Biaggi (D) Resigned August 5, 1988 Vacant to the end of this Congress
American Samoa's at-large Fofó I. F. Sunia (D) Resigned September 6, 1988
Alabama's 3rd Bill Nichols (D) Died December 13, 1988


Lists of committees and their party leaders for members of the House and Senate committees can be found through the Official Congressional Directory at the bottom of this article. The directory after the pages of terms of service lists committees of the Senate, House (Standing with Subcommittees, Select and Special) and Joint and, after that, House/Senate committee assignments. On the committees section of the House and Senate in the Official Congressional Directory, the committee's members on the first row on the left side shows the chairman of the committee and on the right side shows the ranking member of the committee.


House of Representatives[edit]

Joint committees[edit]


Legislative branch agency directors[edit]


House of Representatives[edit]

See also[edit]


  1. ^ a b When seated or oath administered, not necessarily when service began.


  • Martis, Kenneth C. (1989). The Historical Atlas of Political Parties in the United States Congress. New York: Macmillan Publishing Company.
  • Martis, Kenneth C. (1982). The Historical Atlas of United States Congressional Districts. New York: Macmillan Publishing Company.

External links[edit]