STEPS is a household survey of NCD risk factors among adults aged 18 to 69 years.
The Global School-based Student Health Survey (GSHS) measures behavioural risk factors and protective factors in 10 key areas among young people aged 13 to 17 years.
The Global Adult Tobacco Survey (GATS) is a household survey on adult tobacco use and key tobacco control measures.
The Global Youth Tobacco Survey (GYTS) measures tobacco use and the impact of tobacco control programmes among young people aged 13 to 15 years.