The US Republican party hasn’t won the popular Presidential vote in the last 8 elections or so.
Also of note (and just as relevant), Republicans won the Popular vote for Congress by over 3 million.[1]
[1] https://www.cookpolitical.com/charts/house-charts/national-h...
So what does that tell us?
Also historically the last mid terms should have given massive gains in both houses instead of the extremely slim majority in a single house.