If you care to read what the research says...
Overall and across most demographic groups, Trump’s 2020 voters turned out at higher rates in 2024 than Biden’s did, a Pew Research Center analysis shows.
www.pewresearch.org
Not that it matters, but I think 6 million people were alienated by the Biden admin. Some of them switched and voted for Trump, but a lot just chose to stay home. Esp after the debate. This goes to what was said on another thread, no one, or hardly anyone, actually votes for the other team. If you don't like your team's pick, you simply don't vote. In general, that article points to young people being one of the major groups that chose not to vote.