Gov. Phil Murphy hopes to enact the change in New Jersey, but opponents say same-day registration would be costly, unnecessary and complicated at the polls.
Vote-by-mail ballots have already begun being mailed, and debates begin Sept. 28. The registration deadline is Oct. 12, and early voting starts Oct. 23.
A Senate panel Thursday advanced two voting-related bills previously vetoed by Gov. Chris Christie expected to get a warmer reception from Gov. Phil Murphy.
State lawmakers are moving a pair of voting-related bills, including plans to automatically register people to vote and let some 17-year-olds cast ballots.
Tuesday is the deadline to register to vote in the June 7 presidential primary. Unaffiliated voters have til the day of the vote if they'd like to join a party.
The Supreme Court argued Monday over whether states fighting voter fraud and illegal immigration can make people document their U.S. citizenship before allowing them to use a federal voter registration system that was designed to make it easier to vote.