Trump's Mail Ballot Order Could Block Millions of Voters From Casting Ballots

Nearly 48 million Americans voted by mail in the 2024 general election. That includes seniors, military families overseas, and working parents who cannot take time off on a Tuesday in November. Every state offers some form of mail or absentee voting, and many states conduct elections almost entirely through the mail.

On March 31, President Donald Trump signed an executive order that puts all of it at risk.

The order, titled "Ensuring Citizenship Verification and Integrity in Federal Elections," directs the Department of Homeland Security and Social Security Administration to compile federal "State Citizenship Lists" of eligible voters. The U.S. Postal Service would then be required to send mail ballots only to voters who appear on those lists. States would need to notify the USPS at least 90 days before any federal election if they intend to permit mail voting, and provide final voter lists 60 days out. Unique tracking barcodes would be required on all outgoing mail ballots.

At the signing ceremony, Trump declared that "mail-in voting fraud is notorious."

The data says otherwise. A Brookings Institution analysis published in January 2026 found mail ballot fraud occurs at a rate of 0.000043 percent, about four cases per 10 million votes cast. That analysis drew from the Heritage Foundation's own election fraud database, making the numbers difficult to dispute even on ideological grounds. Oregon, which has mailed over 100 million ballots since 2000, has seen roughly a dozen documented fraud cases in that span.

Creating Barriers Where None Existed

The practical consequences of the order extend well beyond the fraud debate.

The National Voter Registration Act allows states to set voter registration deadlines as close as 30 days before an election. But the executive order requires finalized voter lists to be submitted 60 days out. That gap means voters who register in that 30-day window, a right they are legally guaranteed, would not appear on any USPS-eligible list and could be blocked from receiving a mail ballot.

The final rule is not required until July 29, 2026, leaving states potentially two business days to submit lists before the 90-day midterm deadline.

Immediate Legal Pushback

Legal challenges arrived within hours of the signing. A coalition including the League of Women Voters, the Association of Americans Resident Overseas, OCA – Asian Pacific American Advocates, and Delta Sigma Theta Sorority, Inc., represented by the ACLU, the Brennan Center for Justice, and LatinoJustice PRLDEF, filed suit in U.S. District Court in Massachusetts.

Their filing argues the Constitution places election authority with Congress and the states, not the executive branch, and that the USPS cannot be repurposed as a voter eligibility gatekeeper.

Then on April 3, 23 states and the District of Columbia filed a second federal lawsuit in the same court. Led by California, the multi-state coalition argues the order "violates bedrock principles of federalism and separation of powers." The Brennan Center has noted that Trump's first election integrity executive order from March 2025, which similarly attempted federal control over state voter rolls, was permanently blocked by the courts, establishing a precedent the plaintiffs will likely lean on heavily.

Who Gets Hurt

The voters most exposed to this order are the same ones who depend on mail ballots most.

Adults 65 and older cast nearly 40 percent of their votes by mail in 2024. Military members and citizens abroad rely on federal mail ballot protections under the Uniformed and Overseas Citizens Absentee Voting Act. A database-driven system with known accuracy gaps does not make voting safer for these communities. It makes participation conditional in ways the law has never permitted.

For communities already navigating language barriers, limited polling hours and hostile registration environments, mail voting has been more than a convenience. It has been a lifeline. Latino voters, elderly Americans and citizens with disabilities have used it to close the gap between the right to vote and the ability to exercise it.

An executive order that makes a federal database the gatekeeper of that access does not merely inconvenience voters. It recreates, through a different mechanism, the same barriers voting rights law has spent decades tearing down.

A Solution in Search of a Problem

Forty-eight million Americans voted by mail in 2024 without incident. The fraud rate was statistically indistinguishable from zero. There is no crisis that this executive order is solving.

Instead of a literacy test or a poll tax, this is a federal database with known accuracy problems standing between a voter and a ballot that the law entitles them to receive. The right to cast a ballot has never been permanently settled in this country. It has been expanded, contracted and contested in courtrooms, in state legislatures, and at the feet of the Supreme Court for more than two centuries.

What is different today is the mechanism. And the courts should treat it accordingly.