Since its inception in 1995; the Multiple Indicator Cluster Surveys; known as MICS; has become the largest source of statistically sound and internationally comparable data on women and children worldwide. In countries as diverse as Costa Rica; Mali and Qatar; trained fieldwork teams conduct face-to-face interviews with household members on a variety of topics – focusing mainly on those issues that directly affect the lives of children and women. MICS was a major source of data on the Millennium Development Goals (MDG) indicators and will continue to be a major data source during the 2030 Sustainable Development Agenda to measure Sustainable Development Goals (SDGs) indicators.