Is voter fraud a problem in the US?

No, voter fraud is not a significant or systemic problem in U.S. elections that meaningfully alters outcomes in most cases, though isolated instances do occur and any fraud is unacceptable. Extensive data from government agencies, academic studies, journalistic investigations, and databases maintained by groups across the political spectrum show it is exceedingly rare relative to the volume of ballots cast.[1]

Scale of Documented Fraud

The Heritage Foundation (a conservative think tank) maintains the most prominent public database of proven election fraud cases (convictions, judicial/official findings, civil penalties, or diversion programs). As of late 2025, it lists roughly 1,600–1,620 such instances spanning decades (primarily from the 1980s/1990s onward, across local, state, and federal elections).[2][3]

Heritage itself describes this as a sampling to illustrate vulnerabilities, not an exhaustive count—it does not capture unprosecuted or undetected cases. Even taking the full figure generously:

The Brennan Center for Justice (left-leaning) and other reviews find similarly tiny incidence. In-person impersonation fraud is especially rare (e.g., ~31 credible cases amid >1 billion ballots, 2000–2014). Mail/absentee fraud averages around 0.000043% in recent cycles. Noncitizen voting is "vanishingly rare" (e.g., ~30 suspected incidents out of 23.5 million votes in a 2016 multi-jurisdiction study, or 0.0001%).[6][7]

Post-2020 investigations (Associated Press review of six swing states: ~475 potential cases out of >25 million ballots; state audits, recounts, and lawsuits) and 2024 assessments found no evidence of fraud at a scale that could change results. CISA, FBI, ODNI, and bipartisan election officials repeatedly affirmed the security and integrity of recent elections, with no material impact from malicious activity.[8][9]

A Bush-era DOJ effort focused on election fraud also yielded very few cases of impersonation. Statistical claims of widespread 2020 fraud have been systematically debunked in peer-reviewed work.[10]

Types, Detection, and Occasional Impacts

Fraud takes various forms: fraudulent use of absentee/mail ballots, double voting, false registration, ineligible voting (e.g., by noncitizens or certain felons, depending on state law), impersonation, or (rarer) organized schemes like ballot harvesting abuses. Most documented cases involve individuals rather than large coordinated efforts, and perpetrators come from both parties.[11]

It has affected outcomes in some close local races (e.g., city council, mayor, or alderman contests decided by tiny margins, sometimes leading to new elections). A few higher-profile examples exist, like the NC-9 redo. Claims that it flipped major races (e.g., certain historical Senate/governor contests) are disputed and often involve other irregularities or administrative issues mixed with any fraud. Large-scale undetected fraud sufficient to swing a presidential or most statewide elections would require enormous coordination that is difficult to conceal given paper trails, bipartisan observers, risk-limiting audits, signature verification, cross-checks of voter rolls, and statistical monitoring.[5]

Prosecutions remain limited (dozens to low hundreds referred/charged in multi-year spans nationally), partly because many irregularities are errors (e.g., confusion over residency or eligibility) rather than intent, and proving criminal intent is challenging. Recent increased focus (state units, federal efforts) has not uncovered hidden massive fraud.[12]

Context and Caveats

In short, U.S. elections have integrity protections that keep fraud rare. Documented problems exist at a low level and warrant vigilance and continuous improvement, but they do not constitute a large-scale crisis that routinely decides major contests. For the latest state-specific data, check official election board reports or the Heritage database directly.