This is one in a series of reports documenting the content of the 1990 Census of Population and Housing. It details the steps leading to the determination of the questions pertaining industry, occupation, and class of worker items. These steps include summarizing the content recommendations from the data users, describing the development of each question through the 1990 content testing program, and documenting legislative and programmatic applications of the data derived from the questions.

This report documents the items on industry, occupation, and class of worker included in the 1990 Census of Population and Housing. The questions pertaining to these topics appear on the 1990 sample questionnaire, and the specific items and item numbers are as follows:

Industry

• Name of company, business, or other employer   (Q28a)
• Kind of business or industry   (Q28b)
• Industry sector   (Q28c)

Occupation

• Type of occupation   (Q29a)
• Most important duties   (Q29b)

Class of worker   (Q30)