https://en.wikipedia.org/wiki/2024_United_States_presidentia...

Trump: 49.8%

https://en.wikipedia.org/wiki/Plurality_(voting)

> A plurality vote (in North American English) or relative majority (in British English) describes the circumstance when a party, candidate, or proposition polls more votes than any other but does not receive a majority or more than half of all votes cast.

What he does have a very clear majority on currently is disapproval of his actions: https://www.nytimes.com/interactive/polls/donald-trump-appro...