OK use wiki then, most sources seem to have different totals.
But for 2024 even wiki on has a total vote of 152m (as popular vote for Trump then Harris 77,269,255 +74,983,555).
But also from wiki (for 2020) total is 155+.
Popular vote
81,283,501[1]
74,223,975[1]
Percentage
51.3%
46.8%