Michigan Gov. Gretchen Whitmer (D) zinged President Joe Biden (D) during an interview on MSNBC Sunday.

Whitmer joined Jen Psaki on her inaugural show and the governor’s presidential aspirations came up.

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Psaki said Whitmer has “brushed off” running next year, but asked, “What about the future?”

“I don’t know what the future looks like,” Whitmer responded, claiming she wasn’t planning to run for office again after leaving the state Legislature.‍

“If I see a problem that’s not getting fixed and I think I can do something about it, I’m going to roll up my sleeves and try.”

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Whitmer then appeared to indicate her age may be a factor.

“I’m 51 years old,” she said, prompting Psaki to interject, “51 years young!”

“Compared to a lot of folks in DC!” Whitmer chortled.

The incumbent president turned 80 in November and his age is showing as regular media speculation focuses on his physical and mental decline.

Meanwhile, the average age in the U.S. Senate is 64, with Iowa Sen. Chuck Grassley (R) and California Sen. Dianne Feinstein (D) each clocking in at 89, according to FiscalNote.com.

The website reports the average age of U.S. representatives is 57, with California Rep. Grace Napolitano (D) at 86 and D.C. Delegate Eleanor Holmes Norton (D) at 85. Eight of the 10 oldest reps are Democrats.