This technical brief provides guidance on the recommended questions for inclusion in censuses in order to improve the quality and comparability of data on disability and international migration. It also encourages the inclusion of questions on age at first marriage, type of marriage, and registration status of the marriage in the 2020 round of census. 

This technical brief provides an overview on assessing the quality of data collected in a census. It details common methods and errors found in post-enumeration quality assessment. It also offers examples from countries that have embarked on a post-enumeration survey.