Over the years, Health Promotion Board has carried out various studies and surveys to study population health. National Nutrition Survey 1998 National Nutrition Survey 2004 National Nutrition Survey 2010 National Nutrition Survey 2019 National Nutrition Survey 2022 Summary on National Population Health Survey 2016/17 National Population Health Survey 2019 Report National Population Health Survey 2020 Report National Population Health Survey 2021 Report National Population Health Survey 2022 Report