Designed as standardized tool to collect data on tobacco use among youth in countries around the globe, the GYTS is a school-based survey of students aged 13-15 years. It provides a uniform methodology for constructing a sample frame, selecting schools and classes, preparing questionnaires, conducting fieldwork, and managing, processing, and analyzing data. 

The 2021 Zambia GYTS was completed by 6,499 eligible students in grades 7-9, of which 4,028 were aged 13-15 years. Data were reported for students aged 13-15 years.