Abstract
Nationally representative data from the General Social Surveys indicate that from 1988 to 1998 there was an increasing likelihood that American men and women had had a same‐gender sexual partner during the previous year. Increases in same‐gender sexual partnering and decreases in exclusively opposite‐gender sexual partnering during the previous 5 years were also evident among women over the 1988–1998 period. Same‐gender sexual partnering was found to be associated with age, birth cohort, race, size of hometown at age 16, and mothers’ education. The increase in same‐gender sexual partnering over the 1988–1998 period persisted after controlling for these factors. Several possible explanations for the trend are discussed.