Is voter fraud a problem in the US?

There is an overwhelming consensus among academic researchers, nonpartisan think tanks, election security experts, and bipartisan election officials that widespread, systemic voter fraud does not exist in the United States.

While isolated, individual instances of voter fraud do occur, multiple comprehensive studies, government audits, and court cases have consistently found that these instances are exceedingly rare and have not altered the outcome of any modern U.S. election.

At the same time, the issue of "election integrity" remains one of the most prominent and deeply divided topics in American politics.

What the Data Shows

Several extensive investigations and databases track voter fraud in the U.S.:

•The Heritage Foundation Database: The Heritage Foundation—a conservative think tank that advocates for stricter voting laws—maintains a database of proven election fraud cases. Over a span of more than 40 years (dating back to 1979), the database lists approximately 1,500 proven cases of fraud. Given that billions of votes were cast during this period, this represents a fraction of a percent of all ballots. For example, a Brookings Institution analysis of Heritage's data in the swing state of Pennsylvania found only 39 cases of voter fraud over a 30-year period out of more than 100 million votes cast.

•The MIT Election Data and Science Lab: Studies by MIT researchers have found that the rate of mail-in ballot fraud—which is statistically slightly more common than in-person fraud—is "exceedingly rare," occurring at a rate of roughly 0.00006% of all individual votes cast nationally (or five times less likely than getting hit by lightning in the U.S.).

•The Brookings Institution: Looking specifically at mail-in ballots in the 2016, 2018, 2020, and 2022 elections, Brookings estimated there were about four cases of mail-in fraud for every 10 million ballots cast (0.00004%).

•The 2020 Election Audits: Following allegations of widespread fraud in the 2020 presidential election, the Associated Press conducted a review of every potential case of voter fraud in six key battleground states. Out of more than 25 million votes cast in those states, they identified fewer than 475 potential cases of fraud, none of which would have impacted the outcome.

•Noncitizen Voting: Under federal law, noncitizens are strictly prohibited from voting in federal elections. Extensive audits have shown that accidental or intentional noncitizen registration and voting is extremely rare. For example, a 25-year audit in Georgia (spanning 1997 to 2022) found that no potential noncitizens had been allowed to register, and a Brennan Center study of the 2016 election estimated that suspected noncitizen voting accounted for about 0.0001% of the 23.5 million votes analyzed.

Why is Voter Fraud so Rare?

Election systems in the U.S. are decentralized, run at the county level by thousands of local officials, and utilize multiple layers of security:

1.Secure Paper Trails: The vast majority of Americans vote using paper ballots or electronic machines that produce a voter-verifiable paper audit trail, allowing officials to conduct physical hand recounts and audits to verify machine totals.

2.Tracking and Verification: Mail-in ballots require signature verification, barcoded return envelopes that map directly to unique registered voters, and secure drop boxes or postal tracking.

3.High Risk, Negligible Reward: The legal penalties for voter fraud are severe, often involving heavy fines, years in prison, and (for noncitizens) deportation. For an individual, risking a felony conviction to cast a single extra vote—which has virtually zero statistical probability of changing an election outcome—carries an incredibly high risk-to-reward ratio.

The Two Sides of the Political Debate

Despite the statistical rarity of fraud, "voter fraud" and "election security" remain highly polarized political topics. The debate generally splits into two primary viewpoints:

1. The "Election Security" Perspective

Proponents of this view (primarily Republicans and conservative advocacy groups) argue that even if voter fraud is rare, any amount of fraud is unacceptable because it undermines public confidence in democratic institutions.

•Key Arguments: They argue that the voting system has vulnerabilities that must be preemptively closed. They support policies such as requiring strict government-issued photo IDs, mandating proof of citizenship to register to vote, limiting mail-in voting, eliminating ballot drop boxes, and conducting frequent purges of voter registration rolls to remove deceased individuals or those who have moved.

•Goal: To make it "easy to vote but hard to cheat," arguing that strict rules bolster the perceived legitimacy of the final election results.

2. The "Voter Access" / "Voter Suppression" Perspective

Opponents of restrictive voting laws (primarily Democrats, civil rights organizations, and voting rights advocates) argue that the "cure" for voter fraud is far worse than the disease.

•Key Arguments: They argue that because systemic fraud is practically nonexistent, introducing highly restrictive rules is a politically motivated effort to suppress the votes of specific demographics. Obtaining a government-issued photo ID or official proof of citizenship can require time, money, and transportation—barriers that disproportionately affect low-income, minority, elderly, and student voters.

•Goal: To maximize participation in elections, arguing that the true threat to American democracy is not fraudulent voters, but rather the disenfranchisement of eligible citizens.

Public Perception vs. Reality

Despite the lack of evidence of widespread fraud, public concern remains high. Polls consistently show that a significant portion of the American electorate—particularly on the political right—is skeptical about the integrity of U.S. election outcomes. Political scientists note that this skepticism is largely driven by political rhetoric, media coverage, and the complex, slow-moving nature of counting mail-in ballots, rather than documented evidence of illegal voting.

Citations (10)

1wikipedia.orgEncyclopedias and referencequality 0.83
wikipedia.org
Backs: “There is an overwhelming consensus among academic researchers, nonpartisan think tanks, election security experts, and bipartisan election officials that widespread, systemic voter fraud does not exist in the United States.”
2projectvote.orgNonprofits and think tanks
projectvote.org
Backs: “There is an overwhelming consensus among academic researchers, nonpartisan think tanks, election security experts, and bipartisan election officials that widespread, systemic voter fraud does not exist in the United States.”
3brookings.eduNonprofits and think tanks
brookings.edu
Backs: “While isolated, individual instances of voter fraud do occur, multiple comprehensive studies, government audits, and court cases have consistently found that these instances are exceedingly rare and have not altered the outcome of any modern U.S. election.”
4navigatorresearch.orgNonprofits and think tanks
navigatorresearch.org
Backs: “At the same time, the issue of "election integrity" remains one of the most prominent and deeply divided topics in American politics.”
5sciline.orgNonprofits and think tanks
sciline.org
Backs: “The Brookings Institution: Looking specifically at mail-in ballots in the 2016, 2018, 2020, and 2022 elections, Brookings estimated there were about four cases of mail-in fraud for every 10 million ballots cast (0.00004%). The 2020 Election Audits: Following allegations of widespread fraud in the 2020 presidential…”
6americanbar.orgNonprofits and think tanks
americanbar.org
Backs: “The 2020 Election Audits: Following allegations of widespread fraud in the 2020 presidential election, the Associated Press conducted a review of every potential case of voter fraud in six key battleground states. Out of more than 25 million votes cast in those states, they identified fewer than 475 potential cases of…”
7electioninnovation.orgAcademic
electioninnovation.org
Backs: “Tracking and Verification: Mail-in ballots require signature verification, barcoded return envelopes that map directly to unique registered voters, and secure drop boxes or postal tracking.”
8scholars.orgNonprofits and think tanks
scholars.org
Backs: “They support policies such as requiring strict government-issued photo IDs, mandating proof of citizenship to register to vote, limiting mail-in voting, eliminating ballot drop boxes, and conducting frequent purges of voter registration rolls to remove deceased individuals or those who have moved.”
9time.comNews and mediaquality 0.83
time.com
Backs: “They support policies such as requiring strict government-issued photo IDs, mandating proof of citizenship to register to vote, limiting mail-in voting, eliminating ballot drop boxes, and conducting frequent purges of voter registration rolls to remove deceased individuals or those who have moved. Goal: To make it…”
10stanford.eduAcademic
stanford.edu
Backs: “Political scientists note that this skepticism is largely driven by political rhetoric, media coverage, and the complex, slow-moving nature of counting mail-in ballots, rather than documented evidence of illegal voting. 1.”