US midterm elections 2026: What to know about mail-in voting; how to register, early voting, and key dates

U.S. midterm elections 2026 will include various voting options, with mail-in voting rules continuing to differ by state. The Supreme Court’s decision blocking new Postal Service requirements for the November election means states will remain using their existing process for mail ballots. Voters should check their registration status, confirm their address, find whether they are required to request a ballot and review applicable deadlines.