U.S. flag

An official website of the United States government, Department of Justice.

Annual Survey of Jails (ASJ)

Data Collection Status
Data Experts
Zhen Zeng, PhD, BJS Statistician
Collection Period

From 1982 to the present, excluding years 1983, 1988, 1993, 1999, 2005, and 2019


Administered to a sample of approximately 950 local jails (city, county, regional, and private) nationwide, the Annual Survey of Jails (ASJ) provides national estimates on the number of inmates confined in jails, demographic characteristics and criminal justice status of the jail population, holds for federal and state prison authorities, counts of admissions and releases, number of jail employees, and rated capacity.

Date Created: May 26, 2009