GOP House incumbents are leaving at a record pace 

“Fact: when President Trump took office in January 2017, there were 241 Republicans in the House,” tweeted Dave Wasserman, US House editor of the nonpartisan Cook Political Report. “Since then, 115 (48%) have either retired, resigned, been defeated or are retiring in 2020.”

https://edition.cnn.com/2020/07/01/politics/house-gop-losses-retirements-trump/index.html?iid=ob_article_organicsidebar_expansion