Where same-day voter registration is allowed in the U.S.
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In half of the U.S., voters can register to vote on the same day they cast their ballot.
Why it matters: Undecided or late-deciding voters make up a small fraction of the electorate in the matchup between former President Trump and Vice President Harris but could be consequential in determining November's outcome.
State of play: In 25 states and Washington, D.C., voters can register to vote either during early voting or on Election Day, according to the National Conference of State Legislatures.
- North Carolina allows same-day voter registration during its entire early voting period.
- New York allowed same-day voter registration on Oct. 26, the only day where the early voting period and the state's deadline for voter registration overlapped.
- Same-day registration is allowed only on Election Day in Connecticut, Idaho, Minnesota, New Hampshire, Wisconsin and Wyoming.
- Same-day registration is allowed during early voting and on Election Day in the remaining states: Alaska, California, Colorado, Hawaii, Illinois, Iowa, Maine, Maryland, Michigan, Montana, Nevada, New Mexico, Rhode Island, Utah, Vermont, Virginia and Washington, as well as Washington, D.C.
Between the lines: In Alaska and Rhode Island, voters who register on the day they vote can only cast a ballot for president and vice president, per the NCSL.
- North Dakota voters don't have to go through a registration process ahead of Election Day. They receive a ballot upon ID verification.
Go deeper: Grassroots campaigns remind U.S. women: Votes are private
