And Okitsugu repeatedly met with misfortunes, such as the assassination of his son Okitomo TANUMA, failure of the reclamation work of Inba-numa Lake, eruption of Mt. Asama, the Tenmei Famine, and the death of the Shogun Ieharu who supported Okitsugu, so he lost his position and his politics came to an end.
子の田沼意知暗殺や印旛沼干拓事業の失敗、浅間山の噴火・天明の大飢饉発生および後ろ盾であった将軍家治の死などの不運が重なったことにより、田沼が失脚したことで田沼政治は終局する。