"Launched in 2013, the project provides estimates on the size and characteristics of the US unauthorized and naturalization-eligible populations at national, state and sub-state levels. The initiative offers this information through interactive data tools, tables, charts and groundbreaking reports." - from the web site.
No longer maintained as of 2018, this web site from the University of Oxford was a rich resource of forced migration research and documents for 16 years. Now partially archived and available via the Internet Archive.
Its two predecessors, the World Fertility Survey (WFS) and the Contraceptive Prevalence Surveys (CPS), paved the way for the DHS project by focusing their research on questions related to fertility, family planning, and mortality. More than 200 surveys in 75 countries since 1984.
Under the MEASURE CDC project, CDC assists countries throughout the world with developing, implementing, and analyzing of large national reproductive health surveys that provide high quality, population-based data about reproductive health indicators. Each country's needs guide the survey content.