Voter files and exit polls tell similar stories

The two-way margin between Democratic support and Republican support in the 2020 and 2024 presidential elections among various key demographics, according to Edison Research exit polls, AP VoteCast, and Catalist's "What Happened"

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Edison and AP margins have been converted to two-way margins (i.e., ignoring third-party support) for an apples-to-apples comparison with Catalist.

Source: CNN, Associated Press, CatalistCreated with Datawrapper