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.

Most leadings:

• 13 - Sunday Silence - 1995-2007
• 11 - Deep Impact - 2012-2022
• 10 - Northern Taste - 1982, 1983, 1987-1993
• 7 - Hindostan - 1961-1968
• 6 - Ebor - 1924-1929; Kumohata - 1952-1957; Tesco Boy - 1974,1975, 1978-1981
• 5 - Tournesol - 1935-1939; Theft - 1947-1951

The following sire-lines have produced champions sires (1924–2023).

• Darley Arabian - 24 stallion, 89 leadings. All titles since 1985.
• Byerley Turk – 2 stallions, 8 championships, most recently Partholon in 1984.
• Godolphin Arabian – 1 stallion, 1 championship, most recently Chapel Brampton in 1930.

• tbheritage.com

• Leading broodmare sire in Japan
• Leading sire in Australia
• Leading sire in France
• Leading sire in Germany
• Leading sire in Great Britain & Ireland
• Leading sire in North America
• Leading broodmare sire in Great Britain & Ireland
• Leading broodmare sire in North America