76,438,831 mail-in and early in-person votes cast nationally
NBC News
Early voting has begun in states across the country where voters are able to cast their ballots either in person or via mail. Some states provide details about the early votes that are cast, including partisan divisions and age of voters, as well as voting method. Vice President Kamala Harris’ campaign has pushed for Democratic voters to utilize early voting more aggressively, seen as a tactic to help bank votes ahead of Election Day. While former President Donald Trump has been critical of early voting, his campaign and the Republican Party have also been pushing for voters to cast early ballots.
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https://www.nbcnews.com/politics/2024-elections/early-vote