This paper introduces key concepts and variables to achieve international data comparability, which requires that national statistics offices work with the same concepts and definitions. It covers essential concepts for the measurement, analysis and tabilation of internal and international migration.

This technical note is part of a series on Select Topics in International Censuses, exploring matters of interest to the international statistical community. 

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.