Gerontocracy

Gerontocracy is a system of government in which old people make the policies and control the country. It may be ageist as much as it may be conservative.

Gerontocracy Media

Meeting of the seven representatives of the Warsaw Pact countries in 1987: Gustáv Husák, Todor Zhivkov, Erich Honecker, Mikhail Gorbachev, Nicolae Ceaușescu, Wojciech Jaruzelski, and János Kádár. Their average age then was 69.
Joe Biden and Donald Trump, the oldest people inaugurated as President of the United States.
Chuck Schumer, Kevin McCarthy, Mitch McConnell and Nancy Pelosi in 2020.
118th Congress Number of representatives by age

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