Is voter fraud a problem in the US?

According to a vast body of research from academic institutions, government audits, and nonpartisan organizations, voter fraud in the United States is extremely rare. While isolated incidents of fraud do occur, studies consistently show that they do not happen at a scale that could alter the outcome of a modern U.S. election.

Despite this, the issue of "voter fraud" remains a central, highly debated topic in American politics, driving contrasting views on how elections should be run.

What the Data and Studies Show

Numerous exhaustive analyses across the political spectrum have looked into the prevalence of voter fraud:

•The Heritage Foundation Database: The Heritage Foundation, a conservative think tank that advocates for stricter voting laws, maintains a database of proven voter fraud cases. As of late 2023, the database recorded 1,465 proven cases of election fraud spanning over 44 years. When compared to the billions of votes cast during that timeframe, this represents an infinitesimally small fraction of the total vote. For example, in Texas, the database found 103 cases of confirmed voter fraud between 2005 and 2022—a period during which 107 million ballots were cast (a rate of roughly 0.000096%).

•The Brennan Center for Justice: In a landmark, comprehensive review of U.S. elections, the nonpartisan Brennan Center found overall incident rates of voter fraud to be between 0.0003% and 0.0025%. The study concluded that an American is more likely to be struck by lightning than to impersonate another voter at the polls.

•Associated Press 2020 Review: Following widespread allegations of fraud in the 2020 presidential election, the Associated Press conducted an in-depth review of votes cast in six key battleground states. Out of more than 25 million ballots cast, they identified fewer than 475 potential cases of voter fraud, none of which would have impacted the outcome of the election.

•MIT Election Data and Science Lab: A 20-year study on mail-in voting by MIT found that mail-in ballot fraud is "exceedingly rare," occurring in approximately 0.00006% of individual votes nationally.

Types of Debated Fraud

Discussions of voter fraud typically center on three categories:

1.In-Person Voter Impersonation: This involves someone showing up to the polls pretending to be another registered voter. Decades of research show this is the rarest form of fraud, largely because it is highly inefficient—carrying severe penalties (up to 5 years in prison and a $10,000 fine) for the reward of casting just one single vote.

2.Mail-In/Absentee Ballot Fraud: Security experts agree that mail-in ballots are slightly more vulnerable to manipulation than in-person voting, but actual fraud remains incredibly scarce. Security measures such as signature matching, unique barcode tracking on return envelopes, and secure drop boxes prevent widespread abuse.

3.Noncitizen Voting: Under federal law, it is illegal for noncitizens to vote in federal elections. While rare administrative errors have occasionally resulted in noncitizens being added to voter rolls, audits show that actual voting by noncitizens is extremely rare. For instance, a Brennan Center audit of 23.5 million votes across 42 jurisdictions in 2016 found only 30 suspected cases of noncitizens attempting to vote.

The Political Debate: Election Integrity vs. Voter Access

Because voter fraud is statistically rare, the debate in the U.S. is less about a widespread threat to election results and more about a fundamental disagreement over how to balance election security with voter accessibility.

•The Argument for Stricter Voting Laws ("Election Integrity"): Proponents of stricter voting laws (often Republicans) argue that even a single fraudulent vote is too many because it dilutes the votes of legal citizens and damages public trust in democratic systems. They advocate for preventive measures—such as mandatory government-issued photo ID, limitations on mail-in ballots, the elimination of drop boxes, and frequent purges of voter registration rolls—to close potential vulnerabilities before they can be exploited.

•The Argument Against Restrictive Laws ("Voter Suppression"): Opponents of these measures (often Democrats and voting rights advocates) point out that since fraud is virtually non-existent, these restrictive laws are a "solution in search of a problem". They argue that strict rules disproportionately disenfranchise eligible, low-income voters, students, the elderly, and racial minorities, who are statistically less likely to have easy access to government-issued photo IDs or the flexible schedules required to vote under more restrictive rules.

Conclusion

From a statistical and scientific standpoint, voter fraud is not a systemic or widespread problem in the United States. U.S. election systems rely on highly decentralized networks, paper audit trails (used for about 98% of all votes cast), and rigorous post-election audits overseen by bipartisan observers, which makes coordinating a large-scale conspiracy virtually impossible. However, the perception of voter fraud remains a powerful political tool and a major point of polarization.

Citations (6)

1brennancenter.orgNonprofits and think tanks
brennancenter.org
Backs: “According to a vast body of research from academic institutions, government audits, and nonpartisan organizations, voter fraud in the United States is extremely rare. While isolated incidents of fraud do occur, studies consistently show that they do not happen at a scale that could alter the outcome of a modern U.S.”
2wikipedia.orgEncyclopedias and referencequality 0.83
wikipedia.org
Backs: “According to a vast body of research from academic institutions, government audits, and nonpartisan organizations, voter fraud in the United States is extremely rare. While isolated incidents of fraud do occur, studies consistently show that they do not happen at a scale that could alter the outcome of a modern U.S.”
3americanbar.orgNonprofits and think tanks
americanbar.org
Backs: “According to a vast body of research from academic institutions, government audits, and nonpartisan organizations, voter fraud in the United States is extremely rare. While isolated incidents of fraud do occur, studies consistently show that they do not happen at a scale that could alter the outcome of a modern U.S.”
4brookings.eduNonprofits and think tanks
brookings.edu
Backs: “According to a vast body of research from academic institutions, government audits, and nonpartisan organizations, voter fraud in the United States is extremely rare. While isolated incidents of fraud do occur, studies consistently show that they do not happen at a scale that could alter the outcome of a modern U.S.…”
5ddia.orgNonprofits and think tanks
ddia.org
Backs: “Associated Press 2020 Review: Following widespread allegations of fraud in the 2020 presidential election, the Associated Press conducted an in-depth review of votes cast in six key battleground states. Out of more than 25 million ballots cast, they identified fewer than 475 potential cases of voter fraud, none of…”
6usafacts.orgData and toolsquality 0.91
usafacts.org
Backs: “From a statistical and scientific standpoint, voter fraud is not a systemic or widespread problem in the United States. U.S.”