Index/Organizations/MIT Election Lab

MIT Election Lab

Fact-Checks

18 results
Jan 26, 2026
Most Viewed

does wisconsin have more people registered to vote than adults living in the state?

does not have more people registered to vote than adults living in the state; official and reputable reporting shows registered voters are a subset — roughly three-quarters — of the state’s voting‑age...

Jan 17, 2026
Most Viewed

How many registered voters were on the rolls in 2024, and how do registration totals compare state-by-state?

The official 2024 Current Population Survey estimate shows roughly 174 million U.S. citizens of voting age were registered to vote in the 2024 presidential election (73.6% of the citizen voting‑age po...

Nov 16, 2025
Most Viewed

Many argue that voter ID laws are a form of voter suppression targeting Black, Latino, and low-income voters who may face greater barriers to obtaining government-issued IDs

Research assembled by academics and advocacy groups finds that strict photo voter ID laws are associated with reduced turnout among racial and ethnic minorities—studies report declines for Latino turn...

Dec 12, 2025

What evidence do independent audits show about the integrity of the 2020 presidential election?

Independent, state-run post‑election audits and scholarly analyses show that audits of the 2020 U.S. presidential contest overwhelmingly confirmed the certified results: a nation‑scale study of availa...

Jan 31, 2026

Historical win rates in battleground states for Senate elections?

("swing") states for Senate races have shrunk and shifted over time, producing fewer truly competitive contests and more long partisan winning streaks in individual states— 27 states currently in reco...

Jan 31, 2026

How has voter registration varied by state in the US since 2020?

Since 2020 at the national level rose alongside record turnout in the , but the story diverges sharply by state: some states reported very high registration rates and gains, others modest increases or...

Jan 28, 2026

Have any independent audits ever found registration totals exceeding voting‑age population in Wisconsin, and how were those discrepancies explained?

No provided reporting shows that any independent audit concluded ’s registered‑voter totals exceeded the state’s voting‑age population; instead, post‑2020 fact‑checks and state explanations traced to ...

Dec 13, 2025

Impact of paper ballots on 2024 election audit processes

Paper ballots were central to 2024 post‑election auditing: over 98% of jurisdictions used systems that produce an auditable paper record and many states ran risk‑limiting audits (RLAs) or hand‑count s...

Nov 20, 2025

What are the top 5 states with the largest increase in Republican voter registration since 2020?

Available reporting shows Republicans made sizeable registration gains in multiple states since 2020, with repeated mentions of large shifts in Nevada, Florida, Pennsylvania, North Carolina, and New J...

Nov 17, 2025

Who won the 2016 presidential elections

Donald J. Trump won the 2016 U.S. presidential election by securing a majority of Electoral College votes—304 electoral votes in most official tallies—defeating Democratic nominee Hillary Clinton, who...

Feb 5, 2026

How do databases used to detect improper registrations create false positives, and what methods correct for that?

Databases used to detect improper voter registrations generate through poor-quality inputs, simplistic matching rules, stale snapshots, and opaque third-party aggregators; these problems have led rese...

Feb 3, 2026

How do federal laws and committee reports currently govern and fund post‑election audits in the United States?

; instead it sets constraints on how audits may be conducted — principally preservation and chain‑of‑custody requirements and protections against voter intimidation — while leaving design, frequency a...

Jan 20, 2026

Which states publish county-level 2024 results in machine-readable formats and where are those pages located?

A single, authoritative list of which states publish certified county‑level 2024 vote returns in machine‑readable formats is not available in the reporting provided; however state election offices do ...

Jan 20, 2026

Where can one download the official certified county-by-county vote totals for the 2024 presidential election?

Official, certified county-by-county presidential returns for 2024 are published and downloadable from the individual state election offices that certified their results; aggregated national downloads...

Jan 15, 2026

Which U.S. states have “strict” photo voter ID laws and what exceptions do they allow?

A set of U.S. states are commonly described as having “strict” voter ID regimes—meaning voters who cannot present acceptable identification at the polling place are required to cast a provisional ball...

Dec 18, 2025

how reliable are vote-by-mail ballots with genuine certified citizen voters?

Vote-by-mail (VBM) ballots cast by genuine, certified citizen voters are highly reliable in the United States: administrators report widespread use of paper or auditable records, multilayer verificati...

Dec 12, 2025

Do states permit same-day voter registration without ID and which ones?

About half of U.S. states and Washington, D.C., allow voters to register and vote on the same day (same-day or Election Day/conditional voter registration), but all states that permit it require some ...

Nov 18, 2025

who won 2020 usa president election

Joe Biden, the Democratic nominee and former vice president, defeated incumbent President Donald Trump in the 2020 U.S. presidential election, winning 306 Electoral College votes to Trump’s 232 and ab...