Multiple polls have found that if everyone had voted, Trump would have won by even more. https://data.blueroseresearch.org/hubfs/2024%20Blue%20Rose%2...

https://www.npr.org/2025/06/26/nx-s1-5447450/trump-2024-elec...

The average person who doesn’t vote is a low-trust individual who is skeptical about government and institutions. Those people are Trumpier than average.