Social Security Death Master File

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Important: The ssdmf database is updated once a week. The last update date is MAY 19, 2017

Limited Access to Death Master File Updates
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Access to the Death Master File is restricted and requires all users to complete the following certification form. For instructions regarding the certification form, please click here. All questions and concerns regarding the certification form, should be directed to NTIS at or 1-800-363-2068.

News / Important Information Image Map Are you sure that all recipients of your benefits checks are still alive? Click here to view more info about what you can with USA Patriot Act Compliance. Click here to learn more. DMF Cloud Web Service. Click here to learn more.
The Limited Access DMF (DMF) from the Social Security Administration (SSA) contains over 86 million records created from SSA payment records. This file includes the following information on each decedent, if the data are available to the SSA: social security number, name, date of birth, date of death. The SSA does not have a death record for all persons; therefore, SSA does not guarantee the veracity of the file. Thus, the absence of a particular person is not proof this person is alive.

SSDMF Database Uses

Prevent Identity Fraud

By methodically running financial, credit, payment and other applications against the Limited Access DMF, the financial community, insurance companies, security firms and state and local governments are better able to identify and prevent identity fraud. The USA Patriot Act (Uniting and Strengthening America by Providing Appropriate Tools Required to Intercept and Obstruct Terrorism Act of 2001), requires an effort to verify the identity of customers, including procedures to verify customer identity and maintaining records of information used to verify identity. A user may now access an online search application or maintain a raw data version of the file. The online service is updated weekly and the weekly and monthly updates are offered electronically via https, reducing handling and production time.

Verify Death

The Limited Access DMF, available as an online search application or as raw data files, is important for death verification. Medical researchers, hospitals, oncology programs all need to track former patients and study subjects. Investigative firms use the data to verify the death of persons, in the course of their investigations. Pension funds, insurance organizations, Federal, State and Local governments and others responsible for payments to recipients/retirees all need to know if they might be sending checks to deceased persons. Individuals may search for loved ones, or work toward growing their family trees. Professional and amateur genealogists can search for missing links.

Need Help?

Contact your local SSA office at:  800-772-1213  or
if you have questions about a specific death record, if you have found an error in a particular record, or if you cannot find a record that you feel certain should be contained in the database. Please DO NOT contact GIM or NTIS with questions or issues pertaining to individual records as we will not be able to help you; GIM and NTIS have no control over the content of the DMF. If you discover an error, you should contact your local Social Security office to make a correction.
Contact NTIS at:  800-363-2068  or
if you have subscription, account, and/or billing questions. You may also download the order form
if you wish to place an order by mail or fax.
Contact GIM at:  800-538-3539  or
if you need technical support; if you have questions about using your account; or if you need help using the website. Please consult the FAQ Page before contacting GIM.

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