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National Death Index

2011 Deaths are now available

About the NDI


NDI Matching Criteria

The NDI program will permit a match to be listed if any 1 of 7 conditions are satisfied.


NDI Retrieval Report

See a sample of how the NDI lists possible death record matches for a particular study subject.


NDI Application Form

This form must be submitted and approved before a researcher is permitted to submit records for an NDI match. Call us on 301-458-4444 before attempting to complete this form.


NDI User Fees

Fees are based on the number of records submitted. The fee schedule includes a worksheet for calculating your total NDI charge.

  • NDI User Fees [PDF - 1.1 MB]
  • Discounts for large volumes: If you are considering submitting more than 100,000 records for an NDI search, you may be eligible for our fee discounts for large record volumes. Contact Lillian Ingster on 301-458-4286 for more information.


NDI Users Guide

The NDI Users Guide [PDF - 1.6 MB] explains all of the steps in the NDI process, how to submit your records for an NDI search, what your results will look like, how to assess your results, and additional information on NDI scoring algorithms and ICD codes.


NDI Related Bibliographies


Contact NDI Staff

Please send us an email at to submit any requests and questions you may have concerning the NDI. Please include your name, address, and phone number in your email request, and let us know if you would like to receive a free NDI information packet.

You can also reach us by calling (301) 458-4444.





National Death Index graphic

Contact NDI Staff:
  • Division of Vital Statistics
    National Center for Health Statistics
    3311 Toledo Road, Room 7316
    Hyattsville, MD 20782
  • (301) 458-4444
Contact CDC/NCHS:
  • National Center for Health Statistics
    3311 Toledo Rd
    Hyattsville, MD 20782
  • 1 (800) 232-4636
  • Contact CDC–INFO The U.S. Government's Official Web PortalDepartment of Health and Human Services
Centers for Disease Control and Prevention   1600 Clifton Rd. Atlanta, GA 30333, USA
800-CDC-INFO (800-232-4636) TTY: (888) 232-6348 - Contact CDC–INFO
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