美国选举的提前投票（early voting），也称缺席投票（absentee voting），是指不在选举日（election day）当天前往投票站（polling station）的辅助投票方式。这主要包括现场提前投票（in-person early voting）和邮寄选票（mail-in ballot）两种方式。

美国选举的提前投票，经历了一个逐渐扩大的过程。本世纪以来，越来越多的州为选民提供提前投票的选项。2024年的美国大选，提前投票的数量预计约占总投票数的一半左右。

More than 72 million Americans have cast their vote already in the 2024 general election, equivalent to 45% of the total vote in 2020. This comes as more states offer more options for people to cast their ballot: In 2000, fewer than half the states offered early voting, and as of 2024, only three states - Alabama, Mississippi and New Hampshire - don't offer in-person early voting.

Unlike four years ago, when mail-in ballots accounted for almost two-thirds of the early vote, there has been an almost even split this year between mail-in and early in-person voting, with in-person ballots accounting for 54% of all early votes as of November 3.
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