This technical brief provides information about the method and potential of the hybrid census, where traditional census data are combined with the newest geospatial technology. It aims to help optimize the accuracy of population data in countries or territories with hard-to-reach areas, where traditional enumeration is challenging.

This technical brief provides guidance on collecting data for Sustainable Development Goal 5.6.1 in national household surveys. SDG target 5.6.1 is defined as the proportion of women aged 15-49 years (married or in union) who make their own decision on sexual relations, use of contraceptive, and health care.