Is voter fraud a problem in the US?

There is a strong consensus among election security experts, academic researchers, and bipartisan election officials that widespread, systemic voter fraud is extremely rare in the United States and does not occur at a scale that could alter the outcome of national elections.

However, individual, isolated cases of fraud do happen, and the debate over the potential vulnerability of the system remains a major political issue.

The topic is generally understood through two main perspectives: one based on empirical evidence of its rarity, and the other focused on systemic vulnerabilities and election integrity.

1. The Empirical Consensus: Fraud is "Vanishingly Rare"

Study after study by academic institutions, nonpartisan think tanks, and government agencies has concluded that the rate of voter fraud in the U.S. is minuscule.

•The Heritage Foundation Database: The conservative Heritage Foundation maintains a widely cited "Election Fraud Database" to track proven cases of election fraud. As of recent years, the database lists roughly 1,500 proven cases of fraud spanning over four decades. While proponents of stricter laws point to this database as proof that fraud is real, analysts highlight the scale: 1,500 cases over 40+ years—during which billions of votes were cast—translates to an infraction rate of roughly 0.00006%. A Brookings Institution analysis of Heritage's data in key swing states found that the percentage of fraudulent votes was consistently below 0.0001%, with none altering an election outcome.

•The Brennan Center for Justice: The nonpartisan Brennan Center has compiled extensive research showing that a person is more likely to be struck by lightning than to commit in-person voter impersonation. Their research consistently places the rate of voter fraud between 0.0003% and 0.0025% across various elections.

•Noncitizen Voting: Nonpartisan groups, as well as libertarian organizations like the Cato Institute, have analyzed allegations of noncitizens voting. They concluded that the phenomenon is "virtually nonexistent". For example, a 2024 review of the Heritage database showed that only about 68 cases of noncitizen voting had been documented over 40 years.

•Mail-In Ballot Fraud: While security experts agree that mail-in or absentee ballots are slightly more vulnerable to fraud than in-person voting, the actual occurrence is still exceedingly rare. A 2020 study by the Massachusetts Institute of Technology (MIT) found that mail-in ballot fraud occurs in about 0.00006% of individual votes cast.

•Government Investigations: Following the 2020 presidential election, dozens of state audits, recounts, and more than 60 court challenges (many overseen by conservative and Republican-appointed judges) failed to find any evidence of widespread or outcome-altering fraud.

2. The Argument for Stricter Election Integrity Measures

Proponents of stricter voting laws—such as mandatory photo ID, signature matching, and restrictions on mail-in ballots—argue that even if documented fraud is rare, the potential for fraud is a serious concern. Their arguments center on the following:

•Prevention and Vulnerability: Advocates argue that the system has vulnerabilities that could be exploited. They point to outdated voter registration rolls (which may still list deceased individuals or people who have moved) as a potential loophole for fraud.

•"One Person, One Vote": Proponents of stricter laws argue that even a single fraudulent vote is unacceptable because it effectively cancels out the vote of a legitimate citizen.

•Local Elections: While national elections are rarely affected, there have been a handful of modern local elections overturned due to concentrated fraud. For instance, a 2018 congressional race in North Carolina's 9th District was ordered to be re-run after a bipartisan state board found evidence of an organized absentee ballot-harvesting scheme.

•Public Confidence: Supporters of strict voting laws argue that secure procedures build public trust in election outcomes. They believe that requiring photo ID or restricting drop boxes reassures the public that the process is secure, regardless of how often fraud actually occurs.

3. Public Perception and Partisanship

Despite the empirical data showing voter fraud is highly uncommon, public anxiety about the issue is widespread.

Polling consistently shows a deep partisan divide:

•A large majority of Republicans express concern that ineligible people are voting or that the system is insecure.

•Democrats are far more likely to trust the security of the election system, arguing that stricter laws are actually forms of "voter suppression" designed to make it harder for low-income, minority, or younger demographics to vote.

This disconnect between empirical data and public perception has been largely driven by political rhetoric, high-profile allegations of "stolen" elections, and media coverage.

Summary

In short, actual voter fraud is not a systemic problem that threatens the accuracy of U.S. election outcomes. However, the debate over voter fraud—and the laws designed to prevent it—remains a major political flashpoint, centering on the balance between making voting accessible to all eligible citizens versus securing the system against potential vulnerabilities.

Citations (9)

1projectvote.orgNonprofits and think tanks
projectvote.org
Backs: “There is a strong consensus among election security experts, academic researchers, and bipartisan election officials that widespread, systemic voter fraud is extremely rare in the United States and does not occur at a scale that could alter the outcome of national elections.”
2frontiersin.orgAcademic
frontiersin.org
Backs: “There is a strong consensus among election security experts, academic researchers, and bipartisan election officials that widespread, systemic voter fraud is extremely rare in the United States and does not occur at a scale that could alter the outcome of national elections.”
3heritage.orgNonprofits and think tanks
heritage.org
Backs: “However, individual, isolated cases of fraud do happen, and the debate over the potential vulnerability of the system remains a major political issue.”
4brookings.eduNonprofits and think tanks
brookings.edu
Backs: “The Heritage Foundation Database: The conservative Heritage Foundation maintains a widely cited "Election Fraud Database" to track proven cases of election fraud.”
5americanimmigrationcouncil.orgNonprofits and think tanks
americanimmigrationcouncil.org
Backs: “The Heritage Foundation Database: The conservative Heritage Foundation maintains a widely cited "Election Fraud Database" to track proven cases of election fraud.”
6wikipedia.orgEncyclopedias and referencequality 0.83
wikipedia.org
Backs: “As of recent years, the database lists roughly 1,500 proven cases of fraud spanning over four decades.”
7heritage.orgNonprofits and think tanks
heritage.org
Backs: “As of recent years, the database lists roughly 1,500 proven cases of fraud spanning over four decades.”
8fairelectionscenter.orgNonprofits and think tanks
fairelectionscenter.org
Backs: “Noncitizen Voting: Nonpartisan groups, as well as libertarian organizations like the Cato Institute, have analyzed allegations of noncitizens voting. They concluded that the phenomenon is "virtually nonexistent".”
9heritage.orgNonprofits and think tanks
heritage.org
Backs: “"One Person, One Vote": Proponents of stricter laws argue that even a single fraudulent vote is unacceptable because it effectively cancels out the vote of a legitimate citizen. Local Elections: While national elections are rarely affected, there have been a handful of modern local elections overturned due to…”