STEPS, WHO. The STEPwise approach to non-communicable disease risk factor surveillance (STEPS) focuses on obtaining core data at each level on the established risk factors that determine the major disease burden. It is based on survey data and may be supplemented by physical and biometric data. Read more here. 
Demographic and Health Survey (DHS). is a nationally-representative household survey that provides data for a wide range of monitoring and impact evaluation indicators in the areas of population, health, and nutrition. Standard DHS surveys have large sample sizes (usually between 5,000 and 30,000 households) and typically are conducted about every 5 years, to allow comparisons over time. Read more here.