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The Supreme Court Revived Trump’s Voter Citizenship Database, Not the Authority to Purge Rolls

The Supreme Court on Friday let the Department of Homeland Security resume running state voter rolls through a rebuilt federal citizenship database, lifting a June injunction that had found the program unlawful.

A continuous-feed voter registration printout open on a county election office desk, several rows marked with red highlighter and paper tabs, a defocused American flag on the wall behind

The Supreme Court on Friday let the Department of Homeland Security resume running state voter rolls through a rebuilt federal citizenship database, lifting a June injunction that had found the program unlawful. Nearly every account of the order carries the same reassurance, that a federal law barring voter purges within 90 days of an election limits what can happen before November, and that reassurance is doing considerably more work than the statute does.

What the Quiet Period Actually Bars

The 90-day provision of the National Voter Registration Act does not bar removals. It bars systematic ones. When the Eleventh Circuit applied it in Arcia v. Florida Secretary of State, the court held that the provision “by its terms only applies to programs which ‘systematically’ remove the names of ineligible voters,” and that removals resting on individualized investigation of a specific voter’s file remain available year-round. A database that hands back a list of names is not itself a purge. It is the raw material for one, and the quiet period says very little about how long a state may sit on a list it already holds, or what it may do with those names one at a time. Read that way, the reassurance in Friday’s coverage describes a speed limit, not a wall.

What the Court Actually Decided

The case is Department of Homeland Security v. League of Women Voters, application 26A308 on the Supreme Court’s emergency docket, filed against the national League, its Texas, Louisiana and Virginia affiliates, and the Electronic Privacy Information Center. Solicitor General D. John Sauer brought it on September 8, arguing that the ruling below threatened the integrity of the coming elections. What he won lifts a June 22 decision by Judge Sparkle L. Sooknanan of the federal district court in Washington, who found that the modified system violated federal privacy law, the Social Security Act and the statute governing agency rulemaking. The government, she wrote, had “knowingly trampled on the privacy rights of American citizens in a manner that threatens the sacred right to vote.”

A D.C. Circuit panel had refused to put her order on hold, 2 to 1, over a dissent from Judge Gregory Katsas, who argued it collided with a Florida judge’s order enforcing a settlement the administration reached with Republican state officials over access to the same system. The justices divided 6 to 3. Worth saying plainly: nothing in Friday’s order decides whether the program is lawful. A stay allocates risk while litigation runs, and the majority decided the government should carry none of it. That is the same move the Court made in August when it unblocked the mail-voting executive order without ruling it legal, and again this month when it locked in midterm broadcast ad rates while leaving the underlying question open.

The Arithmetic Nobody Ran

Put the public numbers beside each other, which none of Friday’s coverage did, and the case for the program gets thin fast. The rebuilt system has checked more than 65 million registrations across 26 states since May 2025 and flagged 28,635 people as possible noncitizens, a hit rate of about one in 2,270. Texas alone pushed more than 18 million registrations through it, NBC News reported, and the state has charged three people with noncitizen voting.

Then there is the one jurisdiction that appears to have audited its own results. Travis County, Texas received 97 flagged names, and between 10 and 21 percent of them belonged to U.S. citizens, according to figures the Boston Globe cited. No equivalent audit has been run nationally. If Travis County is anywhere close to representative, the national flag list holds thousands of citizens, and the honest answer is that nobody can say, because the tool went out to 26 states without any mechanism for measuring how often it is wrong.

The harm caused by burdening or disenfranchising even a few lawful voters outweighs the nonexistent harm that the Government experiences when it is prevented from taking an action that it likely lacks the authority to take.

That is Justice Ketanji Brown Jackson, dissenting, joined by Justices Sonia Sotomayor and Elena Kagan. Democracy Docket reported that she faulted the majority for brushing past the harms the modified system has already caused to lawful voters.

A Tool Built for a Different Job

SAVE dates to 1986, and it was built to answer a narrow question one file at a time: is this particular applicant for public benefits lawfully present in the country? The administration’s rebuild bolted Social Security Administration records onto it and opened it to searches by Social Security number and to queries run in bulk, converting a verification desk into a scanner you can aim at an entire voter file. The failure mode follows from that history rather than from sloppiness. The system has never reliably confirmed citizenship for whole categories of foreign-born people who naturalized, because naturalization is recorded in places SAVE does not consistently reach. The Americans it cannot vouch for, in other words, skew heavily toward the ones who became citizens deliberately, filed the paperwork and took the oath.

It is the second time this year the government has asked courts to let it settle who counts as a citizen using machinery built for another purpose, after the birthright citizenship fight in Trump v. Barbara.

Where We Come Down

A database that cannot confirm the citizenship of naturalized Americans has no business being the input to any decision about whether an American votes, and the administration knew the error rate was unmeasured when it shipped the tool to 26 states. Sooknanan read the statutes and found three of them broken. Six justices set that finding aside without engaging it, seven weeks before a midterm, and handed the government a system whose only audited output was wrong between one time in ten and one time in five. That is a choice about who absorbs the cost of being wrong, and the Court put it on voters rather than on the agency that built it.

The order also sits oddly beside the Court’s own work this week. On Thursday the justices left Trump’s mail ballot rule blocked through the November midterms, on the reasoning that election officials had no time to implement it safely. The same timing logic cuts against handing states a flag list of 28,635 names in late September, and it went unmentioned. Set both against April’s 6-3 ruling gutting the Voting Rights Act and the shape of the term is hard to miss.

The number to watch is not how many names SAVE returns between now and November. It is how many states start working those names individually, one challenge at a time, in the window everyone has been told is closed.