Is voter fraud a problem in the US?

No, voter fraud is not a significant or widespread problem in the United States. It occurs at extremely low rates—typically measured in thousandths or hundred-thousandths of a percent of ballots cast—and has not been shown to alter the outcomes of presidential or other major federal elections. Isolated incidents happen and are prosecuted, but extensive research, audits, investigations, and court reviews consistently find it is rare and not systemic.[1]

Key Evidence and Statistics

Multiple independent analyses, including from academic researchers, government bodies, journalists, and even conservative sources, reach the same conclusion:

•Brennan Center for Justice: Reviews of closely studied elections found fraud rates of roughly 0.0003% to 0.0025% of votes cast. In-person voter impersonation is so uncommon that a person is more likely to be struck by lightning. A survey of jurisdictions covering 23.5 million votes in 2016 found only about 30 suspected noncitizen voting incidents referred for investigation (~0.0001%).[2]

•Heritage Foundation database (a conservative compilation of proven cases resulting in convictions or similar findings): It documents roughly 1,500–1,600 cases spanning decades across the entire country (hundreds of millions to over a billion ballots cast in federal elections alone). Brookings Institution analyses of this data show minuscule rates—for example, 36 cases in Arizona over 25 years amid ~42.6 million ballots (~0.0000845%), and 39 cases in Pennsylvania over 30 years amid over 100 million ballots. None flipped election outcomes.[1]

•Associated Press investigation (2020 election): In the six key battleground states, fewer than 475 potential fraud cases were identified out of ~25.5 million votes. Biden’s combined margin was over 311,000 votes. Nearly all involved individuals acting alone (not coordinated schemes), and many were caught before ballots counted.[3]

•Other studies: A Washington Post analysis found 31 credible in-person impersonation cases out of more than 1 billion ballots (2000–2014). A multi-state review of 84 million votes referred just 14 cases for prosecution. DOJ examinations of earlier elections found fraud rates like 0.00000013%. Mail-in fraud averages around 4 cases per 10 million mail ballots in recent cycles.[4]

•Noncitizen voting: Confirmed cases are vanishingly rare. Studies and audits (e.g., state reviews in Georgia, Utah, Arizona counties, Michigan) find tiny numbers of noncitizens on rolls and even fewer who voted—often single digits or dozens over years/decades in large jurisdictions. Recent DOJ charges involve dozens of cases (mostly lawful permanent residents, some undocumented), still a tiny fraction of total votes. Registrations flagged as potential noncitizens often prove erroneous upon review or do not result in votes.[5]

Fraud can include double voting, voting in the name of the deceased, absentee ballot misuse, false registrations, or (rarely) noncitizen voting. Local or small-scale schemes have occasionally affected close races (e.g., some municipal or state legislative contests), but not large federal ones.[3]

Safeguards and Context

U.S. elections have layered protections: voter registration systems with citizenship checks/affirmations, ID requirements in many states, signature verification for mail ballots, poll books, cross-state data matching (e.g., via ERIC where used), post-election audits/recounts, and criminal penalties (felonies with fines/prison). Election officials from both parties, courts, and agencies (including CISA declaring 2020 the most secure election) affirm that systems catch most issues. Clerical errors or outdated rolls (dead people still listed, movers) are sometimes mischaracterized as fraud but rarely lead to illegal votes being counted.[3]

Claims of widespread fraud (especially post-2020) have been repeatedly investigated via audits, recounts, lawsuits, and probes (including by Trump’s own DOJ/AG Barr) and rejected for lack of evidence on a scale that could change outcomes.[6]

Caveats

•It does happen: With hundreds of millions of votes, a few hundred or thousand isolated cases over years is expected in any large human system. Deterrence and enforcement matter.

•Undetected fraud: Some argue not all is caught, but extensive scrutiny (especially in close races), statistical analyses, and the absence of flipped outcomes undercut claims of massive hidden fraud. Inaccurate voter rolls create potential vulnerabilities that states address through maintenance.

•Perception vs. reality: Polls show partisan divides in belief about fraud as a “major problem,” often tied to election results rather than data. Exaggerated claims can erode trust without improving integrity.[7]

Election integrity efforts (secure rolls, verification, audits, prosecutions) are worthwhile and bipartisan in principle. However, the data show voter fraud is not a material threat to the validity of U.S. elections. For the latest case details, see sources like the Heritage database, state election offices, or DOJ announcements—these continue to reflect rarity relative to scale.

Citations (7)

1brookings.eduNonprofits and think tanks
https://www.brookings.edu/articles/how-widespread-is-election-fraud-in-the-united-states-not-very/
Backs: “Isolated incidents happen and are prosecuted, but extensive research, audits, investigations, and court reviews consistently find it is rare and not systemic.”
2legalclarity.orgCommercial content
https://legalclarity.org/voter-fraud-statistics-rates-enforcement-and-laws/
Backs: “A survey of jurisdictions covering 23.5 million votes in 2016 found only about 30 suspected noncitizen voting incidents referred for investigation (~0.0001%).”
3apnews.comNews and mediaquality 1.00
https://apnews.com/article/election-2024-voter-fraud-trump-harris-a3b4c2db17217311770259193c115b80
Backs: “Nearly all involved individuals acting alone (not coordinated schemes), and many were caught before ballots counted.”
4legalclarity.orgCommercial content
https://legalclarity.org/how-often-does-voter-fraud-happen-data-types-and-penalties/
Backs: “Mail-in fraud averages around 4 cases per 10 million mail ballots in recent cycles.”
5brennancenter.orgNonprofits and think tanks
https://www.brennancenter.org/our-work/research-reports/noncitizen-voting-vanishingly-rare
Backs: “Registrations flagged as potential noncitizens often prove erroneous upon review or do not result in votes.”
6nytimes.comNews and mediaquality 0.86
https://www.nytimes.com/2026/07/16/us/politics/trump-investigations-fraud-claims-2020-election.html
Backs: “Claims of widespread fraud (especially post-2020) have been repeatedly investigated via audits, recounts, lawsuits, and probes (including by Trump’s own DOJ/AG Barr) and rejected for lack of evidence on a scale that could change outcomes.”
7zipdo.coData and tools
https://zipdo.co/voter-fraud-statistics/
Backs: “Exaggerated claims can erode trust without improving integrity.”