But much of the Trump 2020 phenomenon can be explained by a far simpler way of looking at the electorate: There are White evangelical Christians — and there is everybody else.
White evangelicals are only 15 percent of the population, but their share of the electorate was 28 percent, according to Edison Research exit polling, and 23 percent, according to the Associated Press version. Though exit polls are imprecise, it seems clear that White evangelicals maintained the roughly 26 percent proportion of the electorate they’ve occupied since 2008, even though their proportion of the population has steadily shrunk from 21 percent in 2008.
This means White evangelicals turned out in mind-boggling numbers. Because they maintained their roughly 80 percent support for Republicans (76 percent and 81 percent in the two exit polls) of recent years, it also means some 40 percent of Trump voters came from a group that is only 15 percent of America.
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