Is voter fraud a problem in the US?

No, voter fraud is not a significant or widespread problem in U.S. elections. It occurs occasionally (as with any large system involving humans), is illegal and prosecuted when detected, but extensive research, government investigations, court reviews, and databases of proven cases show it is extremely rare—typically occurring at rates of 0.0001% or far less of ballots cast—and has never been shown to alter the outcome of a federal or statewide election.[1]

Key Evidence and Statistics

Multiple independent analyses, including those drawing on the Heritage Foundation’s Election Fraud Database (a conservative source that catalogs proven cases resulting in convictions, civil penalties, diversions, or official findings), reach the same conclusion:

•The Heritage database lists roughly 1,500–1,620 proven instances spanning decades (from the 1980s into the mid-2020s), out of hundreds of millions to billions of ballots cast in that period. This equates to rates on the order of ~0.00007% or lower (e.g., about 7 cases per 10 million federal ballots in one calculation). Many cases involve single individuals (double voting, ineligible voting by felons, etc.), not large coordinated schemes.[2]

•In battleground or closely watched states, rates are minuscule. Using Heritage data: Arizona had 36 cases over 25 years across ~42.6 million ballots (~0.0000845%); Pennsylvania had 39 cases over 30 years across >100 million votes. No outcomes were altered. Similar patterns hold elsewhere (e.g., Texas: ~103 cases over many years and >100 million ballots).[1]

•Impersonation fraud (voting as someone else at the polls) is especially rare: A Washington Post analysis found 31 credible instances out of >1 billion ballots (2000–2014). Brennan Center reviews of studied elections put rates at 0.0003%–0.0025%. An American is more likely to be struck by lightning. Arizona State University studies found ~10 cases nationwide (2000–2012) and zero successful prosecutions in examined states later.[2]

•A DOJ unit examining 2002 and 2004 federal elections found a fraud rate of ~0.00000013%, with no evidence of coordinated efforts to sway outcomes.[3]

•Noncitizen voting is “vanishingly rare.” Studies (including Brennan Center surveys of election officials overseeing tens of millions of votes, state audits, and reviews of complaints) find tiny numbers of cases or suspicions—often errors or confusion rather than intentional fraud—and none at scales that matter. It is a federal and state crime.[4]

•Mail/absentee ballot fraud is also rare (e.g., Brookings analysis: average ~0.000043% or ~4 cases per 10 million mail ballots in recent general elections). Safeguards include signature verification, tracking, bipartisan observers, and audits.[5]

•Post-2020 claims of widespread fraud were rejected in dozens of lawsuits (including by Trump-appointed judges), state audits, and recounts. An AP review of six swing states found <475 potential cases amid >25 million votes.[6]

Fraud has affected a handful of small local races (e.g., absentee ballot schemes leading to overturned results or new elections in tiny jurisdictions with razor-thin margins). These are real but isolated and do not scale to major contests.[7]

Context and Caveats

•Protections exist: Voter ID (in many states), registration checks, provisional ballots, bipartisan poll watchers/lawyers, chain-of-custody for ballots, post-election audits, and criminal penalties deter and detect fraud. Election officials (of both parties) and courts routinely affirm the integrity of processes.

•Allegations vs. proof: Many claims stem from clerical errors, outdated voter rolls (dead people remaining registered does not equal votes cast), data mismatches, or misunderstandings—not fraud. The Heritage database itself, when put in context of total votes, demonstrates rarity rather than a crisis; critics note it samples cases over long periods and includes various election-related offenses.[1]

•Perceptions: Public belief in widespread fraud is higher among some groups (often along partisan lines) due to repeated claims, but this does not match empirical evidence. False or exaggerated allegations can erode trust and sometimes lead to policies that restrict eligible voters.[8]

•Not zero: Any fraud is unacceptable. Ongoing list maintenance, prosecution, and security improvements are worthwhile. However, the scale does not justify treating it as a systemic threat that decides national elections.

In short, U.S. elections are highly secure against fraud relative to their massive scale. Research from across the spectrum (Brennan Center, Brookings analyzing Heritage data, DOJ, academics, state officials, courts) consistently shows it is not a meaningful problem for election outcomes. Focus on verified data and processes, rather than unproven narratives, best supports election integrity.

Citations (8)

1brookings.eduNonprofits and think tanks
https://www.brookings.edu/articles/how-widespread-is-election-fraud-in-the-united-states-not-very/
Backs: “It occurs occasionally (as with any large system involving humans), is illegal and prosecuted when detected, but extensive research, government investigations, court reviews, and databases of proven cases show it is extremely rare—typically occurring at rates of 0.0001% or far less of ballots cast—and has never been…”
2legalclarity.orgCommercial content
https://legalclarity.org/how-common-is-voter-fraud-what-the-evidence-shows/
Backs: “Many cases involve single individuals (double voting, ineligible voting by felons, etc.), not large coordinated schemes.”
3brennancenter.orgNonprofits and think tanks
https://www.brennancenter.org/our-work/research-reports/debunking-voter-fraud-myth
Backs: “A DOJ unit examining 2002 and 2004 federal elections found a fraud rate of ~0.00000013%, with no evidence of coordinated efforts to sway outcomes.”
4brennancenter.orgNonprofits and think tanks
https://www.brennancenter.org/our-work/research-reports/noncitizen-voting-vanishingly-rare
Backs: “Noncitizen voting is “vanishingly rare.” Studies (including Brennan Center surveys of election officials overseeing tens of millions of votes, state audits, and reviews of complaints) find tiny numbers of cases or suspicions—often errors or confusion rather than intentional fraud—and none at scales that matter. It is…”
5legalclarity.orgCommercial content
https://legalclarity.org/how-common-is-voter-fraud-types-cases-and-data/
Backs: “Safeguards include signature verification, tracking, bipartisan observers, and audits.”
6houstonpublicmedia.orgNot yet classified
https://www.houstonpublicmedia.org/npr/2024/10/11/nx-s1-5147732/how-we-know-voter-fraud-is-very-rare-in-u-s-elections/
Backs: “An AP review of six swing states found <475 potential cases amid >25 million votes.”
7legalclarity.orgCommercial content
https://legalclarity.org/instances-of-voter-fraud-proven-cases-types-and-prevention/
Backs: “These are real but isolated and do not scale to major contests.”
8brennancenter.orgNonprofits and think tanks
https://www.brennancenter.org/topics/voting-elections/vote-suppression/myth-voter-fraud
Backs: “False or exaggerated allegations can erode trust and sometimes lead to policies that restrict eligible voters.”