The report, conducted by University of California San Diego professor Tom Wong and researcher Nura Sedique, used micro-level data from the U.S. Census American Community Survey, which provides five-year population projections, as well as the Cooperative Congressional Election Study to make its estimates.

In Georgia, new citizens constitute more than 440,000 potential voters, the group estimated. President Donald Trump won the state by roughly 200,000 votes in 2016.

In Arizona, naturalized citizens make up more than 300,000 eligible voters, more than half of whom are not registered. Trump carried the state in 2016 by less than 100,000 votes, but Democrats are hopeful they can flip it in the presidential election after winning a Senate seat there last year.

And in Michigan, new citizens make up 64,000 eligible voters as of 2016, according to the analysis. Trump won the state by 10,000 votes.

“We feel that New American voters are getting lost in the conversation between the Rust Belt and the Sunbelt, or the Obama-Trump [crossover] voters,” said Sayu Bhojwani, founder of New American Leaders, referring to two common ways of framing the presidential race. “It's very clear that there is a path to the general election victory that can be forged through immigrant communities in states like Florida, Michigan and Pennsylvania.”

But mobilizing potential voters who aren’t already registered is difficult and takes money, time and organized registration efforts as field experiments have shown personalized methods are the most effective, per MIT. Nearly 92 million eligible Americans did not vote in the 2016 election, according to a study by the Center for American Progress. In the 2012 book Victory Lab, author Sasha Issenberg detailed experiments showing that persuading an already registered voter to cast a ballot could be significantly cheaper than identifying, registering and turning out a previously unregistered voter.

But Astrid Silva, who runs the organization Dream Big Nevada, lamented that candidates aren’t investing in turnout or registration efforts for new citizens early enough. Her group helps the undocumented community navigate the immigration process and works to mobilize new citizens politically.

“In 2016 there was a concentrated effort to get people to become citizens, but they’re not on a voter roll, they didn’t vote in a prior election,” said Silva, who has met or spoken with several of the Democratic presidential hopefuls. “And those people aren’t being reached out to.”

In North Carolina, 4 percent of eligible voters are naturalized citizens and more than a third of them are not registered. Similarly in Pennsylvania, which Trump won by less than 1 percentage point, 4.6 percent of eligible voters are new citizens and half are registered, the group said.

In the near term, the analysis argues that new American citizens who are already registered to vote in Florida, Michigan and Pennsylvania could boost Democrats in 2020.

Bhojwani said the figures present a long-term conversation that Democrats need to have about harnessing the potential voting power of new citizens. It’s a voting group consists of not just Latinos, but African and Asian immigrants as well.