Election Day Registration

Election Day Registration (EDR), sometimes called same-day registration (SDR), allows eligible citizens to register to vote and cast a ballot during a single visit to a polling place or election office on Election Day itself. It contrasts with systems that require registration weeks in advance—closing dates that, in many U.S. states, fall 15 to 30 days before an election.

In the United States, EDR is a state-level policy. Maine, Minnesota, and Wisconsin were among the earliest adopters in the 1970s. The federal National Voter Registration Act of 1993 ("Motor Voter Act") exempted states that offered EDR at the time from certain compliance requirements, which is why states like Minnesota, Wisconsin, Wyoming, and New Hampshire are sometimes grouped as "NVRA-exempt." Since then, more states and the District of Columbia have adopted some form of same-day registration, though the exact list and procedural details (acceptable ID, proof of residence, in-person vs. mail, primary vs. general) vary considerably.

Proponents argue EDR raises turnout, particularly among young voters, renters, and people who have recently moved. Empirical studies—including work published by the Brennan Center for Justice and academic political scientists such as Michael McDonald—generally find a turnout boost of several percentage points in EDR states, though estimates vary. Critics raise concerns about administrative burden on poll workers, longer lines, and the potential for fraud, though documented cases of in-person registration fraud are rare.

EDR is distinct from but often discussed alongside:

• Automatic Voter Registration (AVR), which registers eligible citizens through DMV or other agency interactions unless they opt out.
• Pre-registration, which lets 16- or 17-year-olds register before reaching voting age.
• Online voter registration, which digitizes the application process but typically still has a pre-election deadline.

Internationally, many democracies—including Canada, which permits registration at the polls under the Canada Elections Act—use functionally similar systems, often paired with a permanent voter register maintained by an independent electoral commission.