Was researching shrinkage in numbers of self-identifying Republicans and found this.
«While older whites with college diplomas have swung left by 12 points since 2016, those without bachelor’s degrees have remained solidly in the GOP’s camp.
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John Camm has been a Republican since the Nixon Administration, but the 63-year-old Tucson accountant says he will likely support a Democrat for Congress in November. He is splitting with his party over access to health insurance as well as its recent overhaul of the nation’s income tax system. He also supports gun control measures that the party has rejected.
“I’m a moderate Republican, and yet my party has run away from that,” Camm said. “So give me a moderate Democrat.”
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Republicans have sought consolation in the fact that core Democratic constituencies (like nonwhite and younger voters) have historically failed to turn out for midterms in high numbers. But the Democrats’ turnout advantage in the past year’s special elections put a dent in that hope — and the leftward lurch of elderly whites all but eviscerates it. Older, college-educated whites are among the most reliable voters in the nation.»
Here, Read This 