The Aporia
Knox, B. (2026, November 2). Which states allow same-day voter registration? Washington Examiner. https://www.washingtonexaminer.com/news/campaigns/congressional/4787774/which-states-allow-same-day-voter-registration-breakdown/
Knox, Brady. “Which states allow same-day voter registration?” Washington Examiner, 2 Nov. 2026, https://www.washingtonexaminer.com/news/campaigns/congressional/4787774/which-states-allow-same-day-voter-registration-breakdown/.
Knox, Brady. “Which states allow same-day voter registration?” Washington Examiner, November 2, 2026. https://www.washingtonexaminer.com/news/campaigns/congressional/4787774/which-states-allow-same-day-voter-registration-breakdown/.
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As of November 2, 2026, Ballotpedia reports that 21 states in the United States offer same-day voter registration with minimal qualifications. These states include a mix of political leanings: nine have Democratic trifectas, six have Republican trifectas, and six are split between the parties. Notably, all U.S. states except for North Dakota require voters to register before voting, but many permit same-day registration to facilitate voter access on election day.
States with same-day voter registration lean toward Democrats, but it isn’t limited to blue states.