Supreme Court allows Trump to consult disputed voter database to screen citizenship

The US Supreme Court has cleared the way for former President Donald Trump to use a contested database to check whether people on voter rolls are citizens; critics say the data are unreliable and could lead to lawful voters being removed.

The US Supreme Court has permitted former President Donald Trump to use a contested database to screen people on voter registration lists for possible non‑citizenship. The decision allows the campaign and its allies to consult the dataset as part of efforts they say are intended to ensure the integrity of voter rolls.

Critics have sharply questioned the reliability of the database, warning that the information it contains is error‑prone and could wrongly identify US citizens as non‑citizens. Those opponents say relying on the data risks improperly removing eligible voters from registration lists and undermining confidence in the electoral process.

Legal and voting rights groups have signalled they may continue to challenge the use of the dataset, saying courts and elections officials must ensure that any matches are carefully verified before action is taken. Election administrators typically rely on multiple sources and follow verification procedures to avoid disenfranchising eligible voters, though practices vary by state.

The case highlights broader tensions in American politics over how to balance efforts to detect ineligible voters with protections against wrongful removal. Advocates for stricter checks argue they protect election integrity, while critics counter that flawed data and aggressive purges pose a greater threat to democratic participation and trust in elections.