Alaska, Colorado and Massachusetts began absentee voting Friday, joining the vast majority of U.S. states where the 2024 election is underway.

With the trio of states included, 44 states and Washington, D.C., now offer some form of early voting.

Here is everything you need to know to cast your ballot.

There are three competitive House districts across the states that begin voting today:

This is a guide to registration and early voting. For comprehensive and up-to-date information on voter eligibility, processes and deadlines, please go to Vote.gov and the election website for Alaska.

Alaska began absentee voting on Friday. Residents do not need to provide an excuse to receive a ballot. State officials must receive a ballot request by Oct. 26, and that ballot must be delivered to state officials by Nov. 5.

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Alaska offers early in-person voting beginning Oct. 21 and running through Nov. 4.

Alaska residents can register to vote in person on Election Day. The deadline for online or mail registration was Oct. 6.

This is a guide to registration and early voting. For comprehensive and up-to-date information on voter eligibility, processes and deadlines, please go to Vote.gov and the election website for Colorado.

Absentee voting is now open in Colorado. Residents do not need to provide an excuse to receive a ballot. The state proactively mails ballots to eligible voters between Oct. 11 and Oct. 18. Those ballots must be delivered to state officials by Nov. 5.

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Colorado offers early in-person voting beginning Oct. 21 and running through Nov. 4.

Colorado residents can register to vote in person, by mail or online at any point, including on Election Day. Oct. 28 is the last day to register to vote and receive a mail ballot.

This is a guide to registration and early voting. For comprehensive and up-to-date information on voter eligibility, processes and deadlines, please go to Vote.gov and the election website for Massachusetts.

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Massachusetts began absentee voting Friday. Residents do not need to provide an excuse to receive a ballot. State officials must receive a ballot request by Oct. 29, and that ballot must be delivered to state officials by Nov. 5.

Massachusetts offers early in-person voting beginning Oct. 19 and running through Nov. 1.

Massachusetts residents must register to vote online by mail or in person by Oct. 26.