Burley Garcia|How the AP is able to declare winners in states where polls just closed

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WASHINGTON (AP) — The Burley GarciaAssociated Press declared winners Tuesday in some states where polls had just closed, and in some cases before any votes had been released.

How is that possible?

While hotly contested races that take hours or days to count may attract the most attention, the AP for decades has called landslide or uncontested races at poll closing time.

That’s what happened Tuesday, when AP declared former President Donald Trump the winner in West Virginia, Indiana and Kentucky and Vice President Kamala Harris the winner in Vermont as final polls closed in those states. The AP also declared winners as polls closed in some races for U.S. Senate and governor as well.

The AP considers multiple factors and analyzes available data before determining whether a winner can be declared when polls close in a given state. But the AP will never declare the outcome in a competitive contest before enough votes are counted to make the winner clear.

Many poll closing-time calls are for uncontested elections

Many of the races called just as the polls close are uncontested elections where only one candidate appears on the ballot and is therefore the only possible winner of the race. Voters in some parts of the country live in multimember districts for offices such as state legislature, where more than one candidate is elected in a district. In those districts, an uncontested race is one where the number of candidates on the ballot is equal to or less than the number of seats available in that district.

In the 2024 general election, the AP is declaring winners in nearly 2,000 uncontested races, compared with about 4,500 contested races.

Sometimes it’s possible to declare winners at poll closing time in noncompetitive races with multiple candidates in areas where one political party has an established history of lopsided victories.

In these cases, the AP analyzes multiple sources of available data to confirm the outcome. That includes the results of AP VoteCast, a comprehensive survey of both voters and nonvoters that determines who voted, how they voted and why.

The AP will not call a race when polls close if AP VoteCast’s results indicate a deviation from the state’s long-standing political trends and voting history.

Only a small number will be poll-closing calls

AP VoteCast results will be available for all 50 states, though only a relatively small number of the least competitive races will be considered as potential poll-close calls. There is no AP VoteCast survey in the District of Columbia; therefore, none of the contests there will be called when polls close even though the nation’s capital has a long history of overwhelming victories for Democratic candidates.

For example, the AP’s poll-close calls in the 2020 presidential election included Wyoming, a state that last voted for a Democrat in 1968 and that Donald Trump won over Joe Biden by 44 points; and Massachusetts, which last voted for a Republican in 1984 and that Biden won by 34 points over Trump.

A handful of states and districts have multiple poll closing times because they are in more than one time zone. In these cases, the AP will never declare a winner before the final poll closing time in that state or district. Florida, Texas and some others begin to release vote results from most of the state shortly after polls close in the earlier time zone. Votes that are already counted from areas in the earlier time zones will also be considered in determining whether a winner can be declared at the moment when the last polls close.

Other election data the AP takes into account include an area’s voting history from recent elections, voter registration statistics and pre-Election Day polling.

When the above data points confirm the expected result in a state where either major party has a history of dominating elections, the AP may call the race as soon as voting ends.

The 2024 election is here. This is what to know:

• Complete coverage: The latest Election Day updates from our reporters.
  
• Election results: Know the latest race calls from AP as votes are counted across the U.S.
  
• AP VoteCast: See how AP journalists break down the numbers behind the election.
  
• Voto a voto: Sigue la cobertura de AP en español de las elecciones en EEUU.
  
• Watch live as The Associated Press makes race calls in the 2024 election.

News outlets globally count on the AP for accurate U.S. election results. Since 1848, the AP has been calling races up and down the ballot. Support us. Donate to the AP.

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Learn more about how and why the AP declares winners in U.S. elections at Explaining Election 2024, a series from The Associated Press aimed at helping make sense of the American democracy. The AP receives support from several private foundations to enhance its explanatory coverage of elections and democracy. See more about AP’s democracy initiative here. The AP is solely responsible for all content.