Current Population Survey
The Current Population Survey (CPS) is an annual survey operated by the Census Bureau and BLS.
Design
Sampling
The CPS utilizes a probability sample of about 60,000 occupied housing units.
Frequency
The CPS questionnaire asks questions concerning the prior week. Households are contacted for four consecutive months. After eight months of non-contact, they are again contacted for another four consecutive months.
Estimates are published monthly.
History
The CPS began in 1940. In 1942, the Census Bureau was made responsible for its administration.