At a glance
- Access the National Death Index (NDI) User's Guide
- Find related materials to help you submit an application for NDI data.
Before you apply
Review the National Death Index (NDI) resources on this page, the basic NDI eligibility criteria, and the step-by-step NDI application instructions.
User's Guide
The NDI User's Guide will walk you through the complete NDI process, from preparing your data files to receiving and assessing your results.