This data set contains information on participants (youth and adult) aged 15 years and older. Main components were: biographical data; media, communication and norms; knowledge and perceptions of HIV/AIDS; marital status; sexual debut; condoms; vulnerable groups; voluntary counselling and testing; antiretroviral treatment; alcohol and other substance use; general perceptions about government policies; knowledge and perceptions of HIV vaccines; mental health and health questions; financing the healthcare system; and violence in the household. The data set contains 495 variables and 16398 cases.