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—typically measured in thousandths or hundred-thousandths of a percent of ballots cast—and virtually never on a scale that affects the outcomes of major (state or federal) elections. Isolated cases do happen, are often detected through existing safeguards, and are prosecuted, but extensive research, audits, court reviews, and databases from across the political spectrum consistently show it is rare.[1]

Key Data and Studies

Multiple independent analyses reach the same conclusion:

•The Brennan Center for Justice (reviewing closely studied elections) found fraud rates between roughly 0.0003% and 0.0025%. In-person voter impersonation is so uncommon that an American is more likely to be struck by lightning. A 2014 analysis identified only 31 credible instances of in-person impersonation out of more than 1 billion ballots cast from 2000–2014.[2]

•A U.S. Department of Justice review of the 2002 and 2004 federal elections found a fraud rate of about 0.00000013%, with no evidence of coordinated efforts or widespread in-person impersonation.[3]

•After the 2020 election, an Associated Press review of six swing states found fewer than 475 potential fraud cases out of more than 25 million ballots—far too few to change outcomes (Biden’s combined margin in those states exceeded 300,000 votes). There was no evidence of systematic collusion.[4]

•Analyses of the conservative Heritage Foundation’s Election Fraud Database (which tracks proven cases resulting in convictions, civil penalties, or official findings, spanning decades) show similarly tiny rates. Brookings Institution researchers, using Heritage data, calculated rates like 0.0000845% in Arizona (36 cases over 25 years and ~42.6 million ballots) and noted only 39 cases in Pennsylvania over 30 years amid >100 million votes. Heritage’s total is roughly 1,500–1,600 cases over many decades amid billions of ballots cast; even Heritage describes it as a non-comprehensive sampling of vulnerabilities rather than proof of systemic fraud. No major election outcomes have been altered by such ballot fraud in the data examined.[5]

•Noncitizen voting is also vanishingly rare. Heritage data and other reviews document only dozens of cases over decades (e.g., ~20–40 in various tallies). A Brennan Center survey of jurisdictions covering 23.5 million 2016 votes found ~30 suspected incidents referred for investigation (~0.0001%). States and federal law already prohibit it, with severe penalties (including deportation risks), and election officials use tools like data cross-checks to prevent it.[6]

•Mail/absentee ballot fraud rates are also extremely low (e.g., Brookings estimates averaging ~0.000043% or about 4 cases per 10 million mail ballots in recent cycles). States with all-mail systems (like Oregon) have documented only tiny numbers over decades of high-volume use.[7]

Recent intensified enforcement (e.g., DOJ charges against dozens to low hundreds of noncitizens or others for illegal voting/registration in 2025–2026 periods) still represents a minuscule fraction of the hundreds of millions of votes cast and active registered voters. Experts note these efforts confirm rarity rather than widespread problems.[8]

Context and Safeguards

•It does happen occasionally: Individual cases include double voting, voting while ineligible (e.g., some felons or noncitizens who may claim confusion), absentee ballot misuse, vote-buying in rare local schemes, or false registrations. Some are intentional; others stem from mistakes or outdated information. Local races with tiny margins can theoretically be affected, and a handful of results have been overturned or required new elections over the years—almost always at the local level.[4]

•Strong detection and prevention: U.S. elections are highly decentralized (thousands of jurisdictions). Safeguards include voter roll maintenance (required by law, aided by systems like ERIC), signature verification, ID requirements in many states, poll books, bipartisan observers, post-election audits/recounts, cross-state data matching, and criminal penalties. Fraudulent votes are often caught after the fact via these processes. Large-scale coordinated fraud capable of flipping a presidential or major statewide race is extremely difficult due to this structure.[1]

•Claims vs. reality: Allegations of widespread or outcome-determinative fraud (especially post-2020) have repeatedly failed in courts, audits, and investigations by officials of both parties. Rhetoric often far exceeds documented cases. Some “potential” matches (e.g., similar names/dates) turn out to be errors, not fraud. Overstating the problem can erode trust without addressing actual (rare) issues or other election challenges like access, administration errors, or security of systems.[1]

In short, while any fraud is unacceptable and worth preventing/prosecuting, the data show U.S. elections are secure against it as a systemic threat. Election integrity efforts focus productively on practical safeguards, accurate rolls, and transparency rather than unsubstantiated claims of massive fraud. For the most current case-level details, resources like state election offices, court records, or databases (e.g., Heritage’s sampling or academic reviews) provide primary sourcing.

Citations (8)

1npr.orgNews and mediaquality 0.93
https://www.npr.org/2024/10/11/nx-s1-5147732/voter-fraud-explainer
Backs: “Isolated cases do happen, are often detected through existing safeguards, and are prosecuted, but extensive research, audits, court reviews, and databases from across the political spectrum consistently show it is rare.”
2legalclarity.orgCommercial content
https://legalclarity.org/how-often-does-voter-fraud-happen-data-types-and-penalties/
Backs: “A 2014 analysis identified only 31 credible instances of in-person impersonation out of more than 1 billion ballots cast from 2000–2014.”
3legalclarity.orgCommercial content
https://legalclarity.org/voter-fraud-statistics-rates-enforcement-and-laws/
Backs: “Department of Justice review of the 2002 and 2004 federal elections found a fraud rate of about 0.00000013%, with no evidence of coordinated efforts or widespread in-person impersonation.”
4apnews.comNews and mediaquality 1.00
https://apnews.com/article/election-2024-voter-fraud-trump-harris-a3b4c2db17217311770259193c115b80
Backs: “After the 2020 election, an Associated Press review of six swing states found fewer than 475 potential fraud cases out of more than 25 million ballots—far too few to change outcomes (Biden’s combined margin in those states exceeded 300,000 votes). There was no evidence of systematic collusion.”
5brookings.eduNonprofits and think tanks
https://brookings.edu/articles/how-widespread-is-election-fraud-in-the-united-states-not-very
Backs: “No major election outcomes have been altered by such ballot fraud in the data examined.”
6brennancenter.orgNonprofits and think tanks
https://www.brennancenter.org/our-work/research-reports/noncitizen-voting-vanishingly-rare
Backs: “States and federal law already prohibit it, with severe penalties (including deportation risks), and election officials use tools like data cross-checks to prevent it.”
7legalclarity.orgCommercial content
https://legalclarity.org/how-common-is-voter-fraud-types-cases-and-data/
Backs: “States with all-mail systems (like Oregon) have documented only tiny numbers over decades of high-volume use.”
8abcnews.comNews and mediaquality 0.67
https://abcnews.com/Politics/wireStory/administrations-focus-noncitizen-voting-led-160-arrests-experts-136667964
Backs: “Experts note these efforts confirm rarity rather than widespread problems.”