Is voter fraud a problem in the US?

Is voter fraud a significant issue? I'll search recent studies, data, and expert assessments to give you the full picture.

In the United States voter fraud exists, but research, court reviews and government investigations consistently find it is extremely rare and not at a scale that decides national elections.

What the evidence shows

Empirical evidence across decades leads to one clear conclusion: proven voter fraud is extremely rare relative to the number of votes cast — measured in orders of magnitude of 0.0000X percent — and no rigorous body of research has shown fraud at the scale necessary to flip major U.S. elections.

Key estimates:

Reviews by courts, news investigations and government agencies have reached the same conclusion. The Cybersecurity and Infrastructure Security Agency (CISA) - a Trump-era agency - called the 2020 presidential election the most secure in American history and found no evidence that any voting system deleted or lost votes, changed votes, or was in any way compromised.

Attorney General William Barr stated publicly in December 2020: "To date, we have not seen fraud on a scale that could have affected a different outcome in the election".

On November 9 and 10, The New York Times called election officials in every state; all 45 of those who responded said there was no evidence of fraud.

The Brennan Center's assessment summarized by researchers is: “Voter fraud is not a significant problem in the country,” ... “As the evidence that has come out in some recent court cases and reports and basically every analysis that has ever been done has concluded: It is not a significant concern.”

Rare is not never

Scholarly and investigative summaries conclude that voter fraud exists but is scarce.

The most-cited public tally is the Heritage Foundation’s Election Fraud Database, which catalogs proven instances that led to prosecutions or findings of wrongdoing. It documents roughly 1,561 instances that produced about 1,325 convictions across many decades, and only 20 cases in 2024.

Heritage itself describes its database as just a sampling and not an exhaustive list of recent proven instances, and notes it has documented proof of electoral fraud in 47 states, arguing voter fraud is real and ongoing. Other summaries note approximately 1,465 proven cases over roughly 44 years, indicating on the order of 30–40 proven cases per year on average.

Localized, small-scale irregularities were documented in 2020, 2022, and 2024, as in every election cycle. None approached a scale that affected any federal race outcome.

> Research consistently shows that voter fraud is rare in the United States. That does not mean fraud never happens. It means the evidence does not support sweeping claims that it is widespread or common enough to regularly decide election outcomes on a large scale.

Types of fraud

Voter fraud generally involves illegal actions taken by an individual voter, such as double voting, voter impersonation, or registering under a false name. This is narrower than election fraud, which can also include misconduct by officials, campaigns, or other participants, such as tampering with ballots or intimidating voters at the polls.

Common categories discussed in research:

The Federal government defines voter or ballot fraud as one of three broad categories of federal election crimes, the other two being campaign finance crimes and civil rights violations, including giving false information when registering, voting when ineligible, or voting more than once or using someone else's name to vote.

Administrative errors, outdated registration files, or clerical mistakes are not automatically proof of a criminal scheme. Fraud requires intentional unlawful conduct, not just confusion or imperfection.

Why the debate continues

The weight of rigorous academic studies, major news investigations, and official reviews converge: voter fraud exists but is vanishingly rare in absolute and relative terms—orders of magnitude below levels that would flip national elections—while disagreements mostly concern interpretation, counting methods, and what policy response is proportionate.

Perception can shape policy just as powerfully as reality. Even when verified fraud is rare, repeated claims about stolen elections can change how people view legitimacy and lead to demands for tighter restrictions. Supporters argue they protect integrity; critics argue they can make voting harder for lawful voters.

Voter fraud is real in the sense that it can happen and does happen in isolated cases. But the evidence available from major studies shows it is rare, especially in the broad, sweeping form often claimed in political rhetoric.