Why it Matters

A software error in New Jersey's motor vehicle system improperly registered approximately 6,600 people who indicated they were not U.S. citizens between June 2023 and June 2024, according to Gov. Mikie Sherrill (D-NJ), who disclosed the problem in July.

The state's subsequent review found that approximately 340 people who were newly registered because of the error voted, while another approximately 220 affected voters had previous registrations or other attestations indicative of valid registrations. The error was corrected in June 2024 but was not publicly disclosed until Sherrill's announcement.

The incident was the focus of a Sept. 15 House Judiciary Subcommittee on Oversight hearing titled "Restoring Election Integrity: Oversight of Voter Fraud in New Jersey." The Trump administration and Sherrill have also clashed over the records. The Department of Justice demanded personal information about the affected registrants, while Sherrill refused, citing federal and state privacy restrictions and stating the request had "no legal basis."

The Big Picture

Before Sherrill's disclosure, Homeland Security Secretary Markwayne Mullin sent letters to secretaries of state in New Jersey, Pennsylvania, California and Nevada warning about potential noncitizens on voter rolls. DHS said its preliminary review identified more than 250,000 potential noncitizens registered across the four states, including 35,152 in New Jersey, although the department's figures have been disputed by state officials and election experts.

In August, House Administration Committee Chairman Bryan Steil (R-WI), Judiciary Committee Chairman Rep. Jim Jordan (R-OH), House Administration Subcommittee on Elections Chair Laurel Lee (R-FL) and House Judiciary Subcommittee on Oversight Chairman Jeff Van Drew (R-NJ) sent a joint letter to New Jersey Lt. Gov. and Secretary of State Dale Caldwell seeking documents about the state's compliance with federal election law.

The hearing also connected the New Jersey error to congressional proposals requiring documentary proof of citizenship to register to vote. The House previously passed the SAVE Act, H.R. 22, in April 2025. This year, House Republicans advanced an expanded proposal, the SAVE America Act, by substituting its provisions into S. 1383 and passing the measure in February. The legislation has not passed the Senate.

A complicating legal backdrop involves the Systematic Alien Verification for Entitlements (SAVE) program. In June, a federal court ruled that changes expanding the federal database's use for voter verification were unlawful, and litigation over the program remains ongoing.

Broader Context

Josh Findlay, senior fellow for election integrity policy at the America First Policy Institute, testified: "Any vote cast by a non-citizen dilutes the vote of an American citizen. That is voter suppression." Justin Riemer, president and CEO of Restoring Integrity and Trust in Elections, described weaknesses in voter registration verification as relying in part on an "honor system."

The most notable disagreement among the witnesses came from Stephen Richer, a legal fellow at the Cato Institute and former Republican Maricopa County recorder in Arizona, who pushed back on claims that the SAVE Act would have prevented the New Jersey incident. When Ranking Member Rep. Jasmine Crockett (D-TX) asked whether the statement that the legislation would have prevented the New Jersey error was "rhetoric or reality," Richer answered: "Rhetoric."

Richer said Arizona had experienced a similar software problem despite requiring documentary proof of citizenship, arguing that such a requirement would not necessarily prevent an error involving data transfers between motor vehicle and voter registration systems.

Van Drew disputed that characterization, arguing that the New Jersey software allowed individuals to proceed into the registration system despite indicating that they were not citizens. Rep. Jamie Raskin (D-MD), the Judiciary Committee's ranking member, offered the Democratic counterframe: "A clerical error is not structural corruption, much less is it a criminal conspiracy."

Crockett also challenged Republicans' broader election-integrity arguments and questioned why the committee was focusing on the New Jersey registrations rather than other allegations involving elections and voting.

Political Stakes

Sherrill sits at the center of the congressional scrutiny after disclosing the approximately 6,600 erroneous registrations and ordering an investigation into the software failure. By Aug. 19, the state said approximately 5,100 affected registrations had been placed in deleted status, while approximately 1,450 had been changed to rejected status pending additional county-level review because those individuals had separate registrations, attestations or other transactions requiring further examination.

No New Jersey state officials testified at the Sept. 15 hearing. Van Drew has said subpoenas remain a possible next step as the subcommittee seeks additional records from the state.

Separately, on Sept. 8, the Trump administration asked the U.S. Supreme Court to stay a lower-court ruling restricting changes to the federal SAVE program while litigation continues. The case concerns the federal government's expansion of the system for citizenship verification and voter-list maintenance.

The Bottom Line

Van Drew has signaled that subpoenas of New Jersey officials remain possible, while federal legislation requiring documentary proof of citizenship for voter registration has not cleared the Senate.

Republicans have argued that the New Jersey episode demonstrates weaknesses in voter-registration safeguards and supports additional federal citizenship-verification requirements. Meanwhile, Democrats say that the incident resulted from a software and administrative failure and does not establish that documentary-proof requirements would have prevented it.

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