Leading sire in Japan
The list below shows the leading Thoroughbred sire of racehorses in Japan for each year since 1924. This is determined by the amount of prize money won by the sire's progeny during the season.
- 1924 - Ebor (1)
- 1925 - Ebor (2)
- 1926 - Ebor (3)
- 1927 - Ebor (4)
- 1928 - Ebor (5)
- 1929 - Ebor (6)
- 1930 - Chapel Brampton (1)
- 1931 - Perion (1)
- 1932 - Perion (2)
- 1933 - Clackmannan (1)
- 1934 - Clackmannan (2)
- 1935 - Tournesol (1)
- 1936 - Tournesol (2)
- 1937 - Tournesol (3)
- 1938 - Tournesol (4)
- 1939 - Tournesol (5)
- 1940 - Review Order (1)
- 1941 - Mint d'Or (1)
- 1942 - Diolite (1)
- 1943 - Diolite (2)
- 1944-45 - no racing in Japan
- 1946 - Diolite (3)
- 1947 - Theft (1)
- 1948 - Theft (2)
- 1949 - Theft (3)
- 1950 - Theft (4)
- 1951 - Theft (5)
- 1952 - Kumohata (1)
- 1953 - Kumohata (2)
- 1954 - Kumohata (3)
- 1955 - Kumohata (4)
- 1956 - Kumohata (5)
- 1957 - Kumohata (6)
- 1958 - Rising Flame (1)
- 1959 - Rising Flame (2)
- 1960 - Rising Flame (3)
- 1961 - Hindostan (1)
- 1962 - Hindostan (2)
- 1963 - Hindostan (3)
- 1964 - Hindostan (4)
- 1965 - Hindostan (5)
- 1966 - Solonaway (1)
- 1967 - Hindostan (6)
- 1968 - Hindostan (7)
- 1969 - Guersant (1)
- 1970 - Never Beat (1)
- 1971 - Partholon (1)
- 1972 - Never Beat (2)
- 1973 - China Rock (1)
- 1974 - Tesco Boy (1)
- 1975 - Tesco Boy (2)
- 1976 - Partholon (2)
- 1977 - Never Beat (3)
- 1978 - Tesco Boy (3)
- 1979 - Tesco Boy (4)
- 1980 - Tesco Boy (5)
- 1981 - Tesco Boy (6)
- 1982 - Northern Taste (1)
- 1983 - Northern Taste (2)
- 1984 - Partholon (3)
- 1985 - Northern Taste (3)
- 1986 - Northern Taste (4)
- 1987 - Northern Taste (5)
- 1988 - Northern Taste (6)
- 1989 - Northern Taste (7)
- 1990 - Northern Taste (8)
- 1991 - Northern Taste (9)
- 1992 - Northern Taste (10)
- 1993 - Real Shadai (1)
- 1994 - Tony Bin (1)
- 1995 - Sunday Silence (1)
- 1996 - Sunday Silence (2)
- 1997 - Sunday Silence (3)
- 1998 - Sunday Silence (4)
- 1999 - Sunday Silence (5)
- 2000 - Sunday Silence (6)
- 2001 - Sunday Silence (7)
- 2002 - Sunday Silence (8)
- 2003 - Sunday Silence (9)
- 2004 - Sunday Silence (10)
- 2005 - Sunday Silence (11)
- 2006 - Sunday Silence (12)
- 2007 - Sunday Silence (13)
- 2008 - Agnes Tachyon (1)
- 2009 - Manhattan Cafe (2)
- 2010 - King Kamehameha (1)
- 2011 - King Kamehameha (2)
- 2012 - Deep Impact (1)
- 2013 - Deep Impact (2)
- 2014 - Deep Impact (3)
- 2015 – Deep Impact (4)
- 2016 – Deep Impact (5)
- 2017 – Deep Impact (6)
- 2018 – Deep Impact (7)