Is voter fraud a widespread issue? I'll check the latest data and expert findings to give you a clear picture.
The short answer from most research and official reviews is: voter fraud occurs, but is extremely rare and has not been shown to occur at a scale sufficient to change outcomes of statewide or national elections.
What the data shows
Multiple independent analyses put the incidence of proven voter fraud at fractions of a percent:
•A widely cited Brennan Center for Justice analysis found that voter impersonation occurs at a rate between 0.0003% and 0.0025%. The Brennan Center's report reviewed elections that had been meticulously studied for voter fraud, and found incident rates between 0.0003 percent and 0.0025 percent
•Other comprehensive reviews put the rate between roughly 0.0003% and 0.0025% based on decades of data, while other estimates described rates in the hundred-thousandths to millionths of a percent depending on the study and sample
•Research consistently shows that voter fraud is rare in the United States
Scholars also emphasize the distinction between intentional fraud and errors. The Brennan Center emphasizes that "many alleged instances are mistakes rather than intentional fraud".
How many proven cases?
The most-cited public tally comes from the Heritage Foundation's Election Fraud Database, which catalogs proven instances that led to prosecutions or findings of wrongdoing:
•Between 2000 and 2024, there were only 1,561 proven cases of voter fraud across congressional and presidential elections amongst the billions of ballots being cast in that period
•One summary describes the database as cataloging roughly 1,561 instances that produced about 1,325 convictions across many decades
•The database now documents 1,088 proven instances of election fraud, including 949 cases that have resulted in criminal convictions
•An earlier update documented 581 cases of proven voter fraud and 848 criminal convictions
Brennan Center analysis of that same database noted it contains very few examples of the forms of fraud most cited in policy debates — only about ten cases of in-person voter-impersonation fraud and roughly 41 cases of noncitizen voting across the period covered, numbers that are microscopic compared to billions of ballots cast.
Overall, reviewers conclude voter fraud tends to be small and isolated.
What happened in recent federal elections?
•Research published in the Proceedings of the National Academy of Sciences and by The University of Chicago found no evidence for systematic voter fraud in the 2020 election
•Post-election audits and extensive litigation repeatedly failed to find evidence of widespread fraud, and academic papers concluded there was "no evidence for systematic voter fraud" in 2020
•The Cybersecurity and Infrastructure Security Agency (CISA) stated that the 2020 election was "the most secure in American history". CISA confirmed there is no evidence of the voter fraud widely claimed and that there is no evidence that any voting system deleted or lost votes, changed votes, or was in any way compromised.
•As one expert summarized: "None of the charges of widespread fraud turned out to be true," while noting "this is not the same thing as saying there was no fraud"
Why the perception of a problem persists
Studies find:
•There is no evidence for widespread voter fraud in U.S. elections, including in recent national elections
•Voter fraud is not a real problem in the United States, according to summaries of the research literature
•Many studies examine and find no evidence for the claim that voting machines flipped votes from Donald Trump to Joe Biden in the 2020 presidential election.
Organizations like The Heritage Foundation disagree with that framing, stating that "Voter fraud is a more widespread, frequent and serious problem than many people are willing to admit" and that voter fraud is a real and pressing issue, pointing to its growing database as evidence.
In summary, existing evidence indicates voter fraud is real but vanishingly rare relative to the hundreds of millions of votes cast, with most alleged cases attributable to clerical errors, and no credible evidence of fraud on a scale that would alter modern federal election outcomes has been established by courts, federal security agencies, or peer-reviewed research.