Is voter fraud a problem in the US?
No, voter fraud is not a significant or widespread problem in U.S. elections. It occurs at extremely low rates, is typically isolated rather than systemic or organized, and has not been shown to alter the outcomes of federal (presidential or congressional) elections in modern times. Isolated cases do happen and are prosecuted, and fraud can matter in very close local races, so prevention and enforcement remain important. However, extensive data from multiple sources—including conservative trackers, academic studies, and government investigations—consistently show it is rare.[1]
Scale of Documented Cases
The Heritage Foundation (a conservative organization) maintains the most prominent public database of proven election fraud cases (convictions, civil penalties, overturned results, or official findings). It is explicitly a non-exhaustive “sampling” of cases going back decades (often to the 1980s or earlier), not a complete tally, and it includes various types of misconduct (ineligible voting, absentee/mail fraud, double voting, false registration, etc., by people across the political spectrum).[2]
Even allowing for undercounting (undetected or unprosecuted cases, as Heritage notes), the documented scale is orders of magnitude too small to swing national or most statewide results. Hundreds of millions to over a billion ballots have been cast in relevant periods.[5]
Specific Types of Fraud
Academic and journalistic reviews (e.g., by political scientists, News21 projects, and others) reach the same conclusion: deliberate fraud by voters is “infinitesimal” or “extremely rare,” while many alleged cases turn out to be clerical errors, data mismatches, or misunderstandings.[9]
Impact on Outcomes and Investigations
U.S. elections have multiple safeguards: voter list maintenance, ID requirements (in many states), signature verification for mail ballots, bipartisan poll watchers/observers, chain-of-custody rules, post-election audits, paper trails/ballots in most places, and criminal penalties. These, plus the difficulty and risk of coordinated large-scale fraud, help keep rates low.
Perception vs. Reality
Public concern is high in some groups (polls often show a large partisan gap, with more Republicans viewing it as a major problem). High-profile claims, especially after close or disputed elections, amplify this—sometimes based on irregularities, errors, or anomalies that are not fraud. Overstating the problem can erode trust without improving integrity; understating it can reduce political will for reasonable security measures. Both access and security matter.
In short, voter fraud is real, illegal, and worth deterring/prosecuting, but the data show it is not a systemic threat that undermines the overall integrity or outcomes of U.S. elections. Claims of massive fraud capable of flipping national results lack supporting evidence from investigations, courts, and quantitative research. For the latest case details, see trackers like Heritage’s database alongside analyses from sources across the spectrum.
Citations (11)
- https://www.newsweek.com/voter-fraud-us-elections-data-research-1978342
Backs: “However, extensive data from multiple sources—including conservative trackers, academic studies, and government investigations—consistently show it is rare.”
- https://www.heritage.org/press/heritage-releases-updated-election-fraud-database-featuring-new-fraud-map
Backs: “It is explicitly a non-exhaustive “sampling” of cases going back decades (often to the 1980s or earlier), not a complete tally, and it includes various types of misconduct (ineligible voting, absentee/mail fraud, double voting, false registration, etc., by people across the political spectrum).”
- https://brookings.edu/articles/how-widespread-is-election-fraud-in-the-united-states-not-very
Backs: “For example, Brookings Institution reviews of Heritage data for key swing states found rates like 0.0000845% in Arizona (36 cases over 25 years and ~42.6 million ballots) and similarly minuscule figures in Pennsylvania (~39 cases over 30 years and 100+ million ballots). No outcomes were altered by the fraud in those…”
- https://www.koat.com/article/us-election-voter-fraud-investigation/73775562
Backs: “Since 2016 alone (hundreds of millions of votes cast), independent tallies drawing on Heritage and other records have found a few hundred proven cases leading to convictions or court actions; only a small handful overturned local/state results.”
- https://uomod.com/heritage-foundations-election-database-undermines-gop-voter-fraud-narrative/
Backs: “Hundreds of millions to over a billion ballots have been cast in relevant periods.”
- https://www.brennancenter.org/our-work/research-reports/debunking-voter-fraud-myth
Backs: “A comprehensive look found only ~31 credible instances from 2000–2014 out of >1 billion ballots.”
- https://www.brennancenter.org/topics/voting-elections/vote-suppression/myth-voter-fraud
Backs: “Federal and state laws ban it, and investigations (including recent DOJ efforts) turn up tiny numbers relative to the electorate. Claims of large-scale non-citizen voting have not held up.”
- https://www.brookings.edu/articles/mail-voting-in-the-us-data-points-to-very-low-fraud-and-significant-benefits-to-voters/
Backs: “It does not appear higher under expanded vote-by-mail systems; some statistical work finds no overall increase in fraud risk. Absentee fraud has featured in some local overturned races.”
- https://evidencebasedliving.human.cornell.edu/blog/what-research-tells-us-about-voter-fraud/
Backs: “Academic and journalistic reviews (e.g., by political scientists, News21 projects, and others) reach the same conclusion: deliberate fraud by voters is “infinitesimal” or “extremely rare,” while many alleged cases turn out to be clerical errors, data mismatches, or misunderstandings.”
- https://www.snopes.com/collections/no-systematic-voter-fraud-2020/
Backs: “2020 claims of widespread fraud were rejected by courts (including Trump-appointed judges), state audits/recounts, the Cybersecurity and Infrastructure Security Agency (which called it the most secure election), statistical analyses in peer-reviewed journals, and Trump’s own earlier voter fraud commission (which found…”
- https://www.pressherald.com/2022/11/01/by-every-single-metric-election-fraud-in-the-u-s-is-rare/
Backs: “Fraud has overturned or required new elections in some small-margin local contests (e.g., involving absentee ballot schemes or vote-buying), where a handful of illegal votes can matter. These are taken seriously and prosecuted.”