Later Kinmochi assumed some important positions in the government of Japan, such as Prime Minister, Minister of Finance and Minister of Foreign Affairs; He played a role of the prominent political leader of Japan whole through the periods of Meiji, Taisho, and Showa.
後に公望は内閣総理大臣・財務大臣・外務大臣(日本)などの要職を歴任し、明治・大正・昭和に至るまで政界の重鎮として重きをなした。