Forty-nine percent of 18-29-year-olds “definitely” will not vote for a presidential candidate, down eight points since 2019, an Institute of Politics at Harvard Kennedy School poll found Tuesday.

The potential lack of young voter turnout will likely benefit former President Donald Trump in his anticipated 2024 rematch against President Joe Biden.

The poll found:

The downward trend is poor news for Biden, who relies on young voters for support:

The Harvard poll sampled 2,098 18-to-29-year-olds from October 23 to November 6, with a ± 2.86 percent margin of error.

“From a lack of trust in leaders on a variety of critical issues such as climate change, gun violence, and the war in the Middle East to worries about the economy and AI, young people’s concerns come through loud and clear in our new poll,” the Director of the Institute of Politics at Harvard Kennedy School Setti Warren said in a news release.

“As the 2024 campaign season kicks into high gear, candidates up and down the ballot would be wise to embrace the opportunity to listen to — and re-engage — this generation,” he added.

Follow Wendell Husebø on “X” @WendellHusebø. He is the author of Politics of Slave Morality.