Millions of voters have already cast ballots for Nov. 5 election

Early in-person and mail-in ballots have begun pouring in across the country, and the tally in each state reveals mounting voter enthusiasm. 

Recent polling suggests a razor-thin margin in the race between former President Donald Trump and Vice President Kamala Harris, and the results are expected to come down to each candidate's performance in seven swing states: Pennsylvania, Georgia, Arizona, Michigan, Wisconsin, Nevada and North Carolina. 

States have long allowed at least some Americans to vote early, like members of the military and people with illnesses unable to get to the polls. Many states expanded eligibility in 2020 during the COVID-19 pandemic.

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In the last presidential election, mail ballots tended to skew Democratic. In 2020, 60% of Democrats reported voting by mail, compared to 32% of Republicans, according to a 2021 study from the MIT Election Data and Science Lab.

As of Thursday evening, more than 30 million ballots have been cast nationwide.

Here is a breakdown of where early ballots have been cast, either by mail or in person, in the seven battleground states, according to The Associated Press. Some states, like Arizona, Nevada and North Carolina also provide a party breakdown of the early votes that have been cast.