Donald Trump is hemorrhaging support from a key demographic that helped power his 2024 comeback, according to CNN’s chief data analyst.

Among 18-to-29-year-olds, Trump’s net approval rating has fallen an unprecedented 56 points in less than a year, from +10 in February to -46 now, Harry Enten told Erin Burnett Thursday on OutFront, citing a CBS News/YouGov poll.

“This type of drop happening so quickly—you just don’t see drops like that. It’s stunning!” he said. “I think the word of the day, to borrow a phrase from the current president—yuge, yuge.”

Enten noted that the demographic was “hugely important” to Trump’s win against Kamala Harris in the 2024 election and represented a major electoral bump.

In 2020, just 31 percent of 18-to-24-year-olds voted for Trump.

In 2024, Trump won

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