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. 

UNFPA’s Population Data Thematic Fund (Pop Data Fund) addresses long standing shortfalls in population data and related human capacity. The Pop Data Fund expands the scope and quality of modern census and registry data, increases the use of geo-referenced population data to accelerate progress towards the SDGs, and advances the objectives of UNFPA’s mandate.

It took hundreds of thousands of years for the world population to grow to 1 billion – then in just another 200 years or so, it grew sevenfold...

A population and housing census is among the most complex and massive peacetime exercises a nation can undertake. It requires careful planning, resourcing and implementation...