WEBJunichiro Koizumi (/ k ɔɪ ˈ z uː m i /; 小泉 純一郎, Koizumi Jun'ichirō [ko.iꜜzɯmi (d)ʑɯɰ̃.iꜜtɕiɾoː]; born 8 January 1942) is a Japanese retired politician who was Prime Minister of Japan and President of the Liberal Democratic Party (LDP) from 2001 to 2006. He retired from politics in 2009.