Here's how each state decides its delegates for the 2020 Democratic presidential nomination

New Hampshire has a modified version of an open primary. The meaning of a "modified primary" can vary between states, but it generally means that people can vote regardless of their political party, with a few restrictions that are ostensibly designed to keep voting fair.

It has 24 delegates overall. 16 of them are allocated by the state's two congressional districts.

Eight of the delegates are at large, three of which are PLEOs. The state has an additional nine superdelegates.

Nevada has a closed caucus, meaning that only Democrats can vote in it.

The state has 36 delegates. 23 are allocated by congressional district.

13 delegates are at large, eight of which are PLEO. It also has 12 superdelegates.

South Carolina has an open primary, which means that anyone can vote regardless of their party registration.

The state has 54 delegates overall, 35 of which are allocated by congressional district.

19 of the delegates are at large, with seven of them as PLEO. The state also has nine superdelegates.

Alabama has an open primary and 52 delegates overall.

34 delegates are allocated by congressional district and 18 are at large. Seven of those at large delegates are PLEO pledged.

The state also has nine superdelegates.

While voters in American Samoa cannot vote in the general elections, they can vote in presidential primaries.

The territory has an open primary with six delegates, which are all at large. It also has five superdelegates.

Arkansas has an open primary and 31 delegates

20 are allocated by congressional district and 11 are at large, of which four are PLEO pledged. The state also has five superdelegates.

California has a modified primary.

It has 415 delegates, the most of any state. 271 are allocated by congressional district and 144 are at large. Of those 144, 54 are PLEO pledged. California also has 79 superdelegates.

Colorado has a modified primary with 67 delegates, 44 of which are allocated by congressional districts

The state has 23 at large delegates nine of which are PLEO pledged. The state also has 13 superdelegates.

Democrats living overseas have an open caucus for themselves that also begins voting on "Super Tuesday." The group gets 13 delegates, all of which are at large and one of which is PLEO pledged. They also get four superdelegates.

Maine has a closed primary. It has 24 delegates, 16 of which are allocated by the state's two congressional districts.

The state has eight at large delegates, three of which are PLEO Pledged.

Maine also has eight superdelegates.

Massachusetts has a modified primary. It has 91 delegates, 59 of which are allocated by congressional districts

The state also has 32 at large delegates, 12 of which are PLEO pledged. It also has 23 superdelegates.

Minnesota has a closed primary with 75 delegates

49 of them are allocated by congressional district and 26 are at large, 10 of which are PLEO pledged. Minnesota also has 17 superdelegates.

North Carolina has a modified primary with 110 delegates.

72 are allocated by congressional district and 38 are at large. Of the at large delegates, 14 are PLEO pledged. The state also has 12 superdelegates.

Oklahoma has a modified primary. It has 37 delegates, 24 of which are allocated by congressional district.

The state has 13 at large delegates, five of which are PLEO pledged. It also has five superdelegates.

Tennessee has an open primary. It has 64 delegates overall, 42 of which are allocated by congressional districts. Another 22 are at-large, eight of which are PLEO-pledged. The state also has nine superdelegates.

Texas has a closed primary. The state has 228 delegates, among the most of any state. 149 are allocated by congressional district. Another 79 are at large, 30 of which are PLEO pledged. Texas also has 34 superdelegates.

Utah has a closed primary for its 29 delegates. 19 of them are allocated by congressional district, and 10 are at large, four of which are PLEO pledged. The state also has six superdelegates

Vermont has an open primary with 16 delegates. 11 are allocated by congressional district and five are at large, 2 of which are PLEO pledged. The state also has seven superdelegates.

Virginia has an open primary for its. 99 delegates. Of them, 65 are allocated by congressional district and 34 are at large, 13 of which are PLEO pledged. The state also has 25 superdelegates.

Idaho has a closed primary and 20 delegates, 13 of which allocated by congressional district. Another seven delegates are at large, three of which are PLEO pledged. Idaho has an additional five superdelegates.

Michigan has an open primary with 125 delegates.

82 of them are allocated by congressional district and 43 are at large, 16 of which are PLEO pledged.

Michigan also has 22 superdelegates.

Mississippi has an open primary. It has 36 delegates, 23 of which are allocated by congressional district. Another 13 are at large, five of which are PLEO pledged. The state also has five superdelegates.

Missouri has an open primary. It has 68 delegates, 44 of which are allocated by congressional district.

Another 24 delegates are at large, nine of which are PLEO pledged. Missouri has 10 superdelegates.

North Dakota has an open caucus for its 14 delegates. Of those delegates, nine are allocated by congressional district, and five are at large, two of which are PLEO pledged. The state has another four superdelegates.

The state of Washington has a closed primary.

It has 89 delegates, 58 of which are allocated by congressional district. Another 31 are at large, 12 of which are PLEO pledged.

The state also has 18 superdelegates.

The Commonwealth of the Northern Mariana Islands, a US territory, has a closed caucus. It has six delegates, all of them are at large, in addition to five superdelegates.

Arizona has a closed primary. It has 67 delegates: 44 are allocated by congressional district and 23 at large. Of those, nine are PLEO pledged. It also has 11 superdelegates.

Florida has a closed primary. It has 219 delegates, making it one of the most important states in the primary season. Of those delegates, 143 are allocated by congressional district and 76 are at large. Of the at large delegates, 29 are PLEO pledged. The state also has 29 superdelegates.

Illinois has an open primary for its 155 delegates. 101 of them are allocated by congressional district and 54 are at large, of which 20 are PLEO pledged. Illinois also has 29 superdelegates.

Ohio has a modified primary. It has 136 delegates, 89 of which are allocated by congressional district. 47 delegates are at large, 18 of which are PLEO pledged. It has 17 superdelegates.

Georgia has an open primary with 105 delegates. Of those 105, 68 are allocated by congressional districts and 37 are at large, of which 14 are PLEO pledged. The state has another 15 superdelegates.

Puerto Rico, a US commonwealth, holds an open primary. It has 51 delegates, 33 of which are allocated by congressional district. Another 18 are at large, seven of which are PLEO pledged. It also has eight superdelegates.

Alaska has a closed primary. It has 15 delegates, nine of which are allocated by its congressional district. Another six are at large, two of which are PLEO pledged. It also has four superdelegates.

Hawaii has a closed primary for its 24 delegates. Of them, 15 are allocated by congressional district and nine are at large, three of which are PLEO pledged. It has another nine superdelegates.

Louisiana has a closed primary. It has 54 delegates, 35 of which are allocated by congressional district. 189 are at large, seven of which are PLEO pledged. In addition, it has seven superdelegates.

Wyoming has a closed caucus. It has 14 delegates, eight of which are allocated by its congressional district. Another six delegates are at large, two of which are PLEO pledged. And in addition to those, it has four superdelegates

Wisconsin has an open primary. It has 84 delegates, 55 allocated by congressional district. Another 29 delegates are at large, 10 of which are PLEO pledged. The state has another 13 superdelegates.

Connecticut has a closed primary for its 60 delegates. 40 of them are allocated by congressional district and 20 at large, of which six are PLEO pledged. It also has 15 superdelegates.

Delaware has a closed primary with a total of 21 delegates. 14 of them are allocated by congressional district and another seven are at large, two of which are PLEO pledged. It also has 15 superdelegates.

Maryland has a closed primary for its 96 delegates. 65 of them are allocated by congressional district and another 31 are at large, 10 of which are PLEO pledged.

Maryland has another 23 superdelegates.

New York has a closed primary with 274 delegates. 184 are allocated by congressional district and another 90 are at large, of which 29 are PLEO pledged. New York also has 46 superdelegates.

Pennsylvania has a closed primary. It has 186 delegates — 125 are allocated by congressional districts and 61 are at large, 20 of which are PLEO pledged. Pennsylvania also has 24 superdelegates.

Rhode Island has a modified primary with 26 delegates. 18 are allocated by congressional districts and eight are at large, of which three are PLEO pledged. The state has nine superdelegates.

The US territory Guam has a closed caucus with seven delegates, all of them at large and none PLEO pledged. It has another five superdelegates.

Kansas has a closed primary. It has 39 delegates, 26 of which are allocated by congressional district. Another 13 are at large, four of which are PLEO pledged. The state also has six superdelegates.

Indiana has an open primary with 82 delegates. 55 of them are allocated by congressional district and 27 are at large. Of the at large delegates, nine are PLEO pledged. The state also has seven superdelegates.

Nebraska has a modified primary with 29 delegates. 20 of them are allocated by congressional district and nine are at large, of which three are PLEO pledged. It has another four superdelegates.

West Virginia has a modified primary. It has 28 delegates, 19 of which are allocated by congressional district. Another nine are at large, of which three are PLEO pledged. The state also has six superdelegates.

Kentucky has a closed primary. It has 54 delegates, 36 of which are allocated by congressional district. Another 18 are at large, six of which are PLEO pledged. It also has six superdelegates.

Oregon has a closed primary with 61 delegates. 41 of them are allocated by congressional district, and 20 are at large, of which seven are PLEO pledged. Oregon also has 14 superdelegates.

The District of Columbia, which encompasses Washington, DC, has a closed primary. It has 20 delegates, 13 of which are allocated by congressional district. Another seven are at large, of which two are PLEO pledged. The district also has 26 superdelegates.

Montana has an open primary. It has 19 delegates. Of them, 13 are allocated by congressional district and, four are at large, of which two are PLEO pledged. The state has another six superdelegates.

New Jersey has a modified primary with 126 delegates. 84 of them are allocated by congressional district and another 42 are at large, of which 14 are PLEO pledged. It also has 21 superdelegates.

New Mexico has a closed primary. It has 34 delegates. 23 are allocated by congressional district and another 11 are at large, of which four are PLEO pledged. The state also has 11 superdelegates.

South Dakota has a modified primary with 16 delegates, 10 of which are allocated by congressional district. The state has six at large delegates, of which two are PLEO pledged. The state also has five superdelegates.

The United States territory of the Virgin Islands closes out the delegate selection with its open primary.

It has seven delegates, all of which are at large and none of which are PLEO pledged, in addition to its six superdelegates.