In 2024, unhappy with the high cost of living under the Biden administration, Steven Fitzgerald cast his ballot for Donald Trump. Now, the Generation Z real estate investor from western Maryland says he regrets it.

“The focus of the administration ... was supposed to be on making the economy better, houses more affordable,” says Mr. Fitzgerald, who also works as a compliance code inspector. “I don’t feel like he’s doing the job that I gave him to do with my vote.”

Economically squeezed and concerned about yet another protracted war abroad, voters of all backgrounds and ages are telling pollsters they’re unhappy with President Trump’s policies. But no group seems to be experiencing greater buyer’s remorse than young voters – particularly young men.

Mr. Trump won 55% of male voters between the ages of 18 and 29 two years ago, fueling his return to the White House and stunning Democrats, who historically have won younger voters.…