This video is Part I in the series on Sampling and Weighting in the Demographic and Health Surveys (DHS). This video provides an introduction to sampling procedures used in The DHS Program surveys. After watching this video viewers will be able to: explain the basic concept of sampling, understand the stages of designing a sample in a DHS survey, understand the key factors considered when calculating sample sizes for a DHS survey, and discuss the sampling procedures used in the 2012 Tajikistan DHS.