The Third South African National HIV Communication Survey (NCS) was jointly conducted by Johns Hopkins Health and Education in South Africa (JHHESA), loveLife and Soul City, with funding from PEPFAR through USAID. The survey was managed by Health and Development Africa and field work was conducted by Freshly Ground Insights. Data analysis was jointly conducted by Health and Development Africa and Johns Hopkins University, Bloomberg School of Public Health, Center for Communication Programs. The primary purpose of the NCS is to evaluate the impact of HIV communication programs on key drivers of the HIV epidemic in South Africa over time.