The following calculator will help you find an appropriate sample size for a needs assessment survey, a KAP
survey, or any other kind of survey intended to provide a "snapshot" of a population at a given point in time. The
results of the survey can be used to draw conclusions about the population as a whole, and can provide useful
inputs on the design and planning of interventions. To measure change over time in the same population, see our
Baseline and endline sample size calculator.