(en) « Aso Cabinet members average 141.28 million yen in family wealth », sur The Mainichi Daily News, Mainichi Shinbun, (consulté le ) : « Of the 18, Aso is the second wealthiest with 455.48 million yen in assets he owns in his own name and the names of his family members he lives with, following Internal Affairs and Communications Minister Kunio Hatoyama, who is worth 764.6 million yen. »