Election Night

How Votes Are Actually Counted

Election night television creates the illusion that counting is a single, continuous process. In reality, counting happens in layers, and different types of ballots are counted at different speeds.

In-person Election Day votes are typically counted first and fastest. Optical scan machines read paper ballots at the precinct level, and results are transmitted to county election offices within hours of polls closing.

Early in-person votes may be pre-processed (signatures verified, envelopes opened) before Election Day in some jurisdictions, allowing fast tabulation. In others, they join the Election Day queue.

Mail-in and absentee ballots are the slowest. Many states prohibit processing mail ballots until Election Day itself. Pennsylvania, for example, cannot begin opening mail ballot envelopes until 7 AM on Election Day — creating a massive backlog that takes days to clear. Other states like Florida and Arizona pre-process mail ballots weeks in advance, so their mail results come in fast.

Provisional ballots — cast by voters whose eligibility is questioned at the polling place — are counted last, often days or weeks later after each ballot is individually researched and adjudicated.

How Races Get 'Called'

No government agency calls election results on election night. The 'calls' you see on TV come from media decision desks — teams of statisticians at AP, the major networks, and organizations like Edison Research.

Decision desks use a combination of exit polls, real-time vote counts, and statistical models. They compare incoming results to expected vote patterns in each county. If a candidate is leading by more than the remaining uncounted votes could overcome, the race is called — even if millions of votes remain uncounted.

The AP's decision desk, the most widely followed, operates independently from AP's newsroom. They will not call a race unless they are virtually certain of the outcome. In 2020, the AP waited four days to call Pennsylvania and the presidency — not because the outcome was truly in doubt statistically, but because the margin was narrow enough to warrant caution.

The 'red mirage' and 'blue shift': In the US, Election Day in-person votes (which skew Republican) are often counted first, while mail ballots (which skew Democratic) come later. This creates an early Republican lead that narrows or reverses as mail ballots are tallied — a pattern that confused many viewers in 2020.

From Unofficial Results to Certified Outcomes

Election night results are always unofficial. The official certification process takes weeks:

1. Canvassing: County election boards verify vote totals, reconcile the number of ballots cast against the number of voters who checked in, and resolve any discrepancies.

2. Recounts: If the margin falls within a statutory threshold (often 0.5% or less), an automatic recount is triggered. Candidates can also request recounts. The 2000 Florida recount — decided by 537 votes out of 6 million cast — remains the most consequential in US history.

3. Certification: County boards certify results to the state. The state canvassing board then certifies the statewide results. In presidential elections, the governor sends a Certificate of Ascertainment to the National Archives identifying the state's appointed electors.

4. Challenges: Losing candidates can file legal challenges alleging irregularities. Courts adjudicate these claims — and overwhelmingly reject them when evidence is lacking. After 2020, over 60 lawsuits challenging results were filed; virtually all were dismissed.

This multi-layered process is designed to be slow and deliberate. Speed is the enemy of accuracy in vote counting, and the certification process provides multiple checkpoints for catching errors.