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.
----
- 1983 - Northern Taste
- 1984 - Partholon
- 1985 - Northern Taste
- 1986 - Northern Taste
- 1987 - Northern Taste
- 1988 - Northern Taste
- 1989 - Northern Taste
- 1990 - Northern Taste
- 1991 - Northern Taste
- 1992 - Northern Taste
- 1993 - Real Shadai
- 1994 - Tony Bin
- 1995 - Sunday Silence
- 1996 - Sunday Silence
- 1997 - Sunday Silence
- 1998 - Sunday Silence
- 1999 - Sunday Silence
- 2000 - Sunday Silence
- 2001 - Sunday Silence
- 2002 - Sunday Silence
- 2003 - Sunday Silence
- 2004 - Sunday Silence
- 2005 - Sunday Silence
- 2006 - Sunday Silence
- 2007 - Sunday Silence
- 2008 - Agnes Tachyon
- 2009 - Manhattan Cafe
- 2010 - King Kamehameha
- 2011 - King Kamehameha
- 2012 - Deep Impact
- 2013 - Deep Impact
- 2014 - Deep Impact
- 2015 – Deep Impact
- 2016 – Deep Impact
- 2017 – Deep Impact
- 2018 – Deep Impact
