Gerontocracy

April Rubin at Axios:

American leadership is getting older.

Why it matters: With baby boomers making up half of Congress, the conversation on aging and health in public office from the Capitol to the White House isn't going away.The 118th Congress is one of the oldest in U.S. history — and drives debates about fitness for office, term limits and ageism.

The big picture: Top House Democrats stepped aside late last year to make room for a younger generation of leaders — a shift that's been less apparent in the Senate, particularly among Republicans.Those Democrats, including former Speaker Nancy Pelosi, "made way for a younger generation of leadership," John Mark Hansen, a political science professor at the University of Chicago, told Axios. "And that's pretty unusual and pretty striking."

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By the numbers: The average age of members of Congress is 58 years old.