The data in the United States Mortality Database (USMDB) are provided free of charge to all individuals who request access to the database. However, before gaining full access to the database, you must become a registered user, which requires accepting our User Agreement and answering just a few questions. To proceed with registration, click on the New User button below. Note: the registration system will be changing in the near future and new users will be asked to reauthenticate their account from time to time.