Florida, Missouri and West Virginia announced they're pulling out of the Electronic Registration Information Center, or ERIC, the only system states have to share voter registration data.

Now, new voter registration data in two swing states adds to the evidence that Ms. Harris’s candidacy has energized potential Democratic voters. Who's Ahead in Weekly Voter Registrations.

Each state's website offers data on voter registration and total votes, which confirm those states have not counted more votes than they've registered voters. As of Nov. 6: ...

Voting registration data indicates a stronger-than-usual flight from the G.O.P. since the Capitol riot, with an intensely fluid period in American politics now underway.