The SSA fixed nearly 15% of all active Social Security numbers. It is the biggest cleanup in 91 years.
The database covers about 330 million U.S. citizens and nearly 390 million total records.
The agency added 17 million missing dates of death using its own systems and State Department data.
About 25 million records got missing citizenship details from a Homeland Security checking system.
The SSA is now fixing another 8.5 million records with the wrong citizenship status on file.
The agency set up stronger internal controls to stop mistakes caused by manual data entry.
Frank J. Bisignano called the number database the country's books and records.
Government offices use these records to check identity and send benefit money to the right people.
Reuters says the cleanup is part of the Trump administration's push to stop fraud in benefits.
No numbers were taken away. Monthly checks keep coming, and the planned cost-of-living bump stays.
There is no form to fill out. The agency is fixing its own files.
Tap to read what changed, what did not, and what happens next.
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