Margin

 Heather Cox Richardson - "…it turns out that Trump did not win 50% of the vote, and CNN statistician Harry Enten notes that his margin comes in at 44th out of the 51 elections that have been held since 1824. He also had very short coattails—four Democrats won in states Trump carried—and the Republicans have the smallest House majority since there have been 50 states, despite the help their numbers have had from the extreme gerrymandering in states like North Carolina."