By the end of last year, New York City's voter rolls swelled to more than 4.6 million people, a record high —just like the city’s population. That total includes more than 134,000 newly registered voters across all city neighborhoods.

The problem is getting those people to the polls.

According to a new report from the city's Campaign Finance Board, only 18 percent of these new voters turned out in last year's mayoral election, compared to 25 percent among all active registered voters.

Turnout was especially low among the youngest new voters. The report shows newly registered voters in the 18-29 age group turned out at a rate of just over 13 percent, while newly registered voters 70 and older turned out at a rate of more than 30 percent.

Not surprisingly, overall turnout was significantly higher for the 2016 presidential election, with more than 60 percent of voters casting ballots, and a 66 percent turnout among the newly registered.

The Campaign Finance Board makes the case for a series of election reforms, including early voting, to give people more time to get to the polls.

That legislation was dropped from the state budget, but remains pending in Albany.