Skip to main content


The NIAAA is the lead agency for U.S. research on the causes, consequences, prevention and treatment of alcohol use disorder and alcohol-related problems.

National Institute on Alcohol Abuse and Alcoholism (NIAAA)

Figure 3a. Decedent’s role in nonalcohol-related traffic fatalities, United States, 2004.

63% Drivers

26% Passengers

12% Nonoccupants

Note: 45 decedents were excluded from this pie chart because their roles were unknown.

Looking for U.S. government information and services?