CIS is a non-profit think tank devoted to research and policy analysis of the economic, social, demographic, fiscal, and other impacts of immigration on the US.
The Demographic and Health Surveys (DHS) program has collected, analyzed and disseminated accurate and representative data on population, health, HIV, and nutrition through more more that 200 surveys in over 75 countries. You must register in order to download data.
EconData.Net is designed to help practitioners, researchers, students, and other data users quickly gain access to relevant state and substate socioeconomic data. The site aims to be a convenient, comprehensive first stop for anyone searching among the vast, disparate array of public and private data sources on the Web
The Migration Policy Institute is an independent, nonpartisan, nonprofit think tank in Washington, DC dedicated to analysis of the movement of people worldwide.
The Population Reference Bureau informs people around the world about population, health, and the environment, and empowers them to use that information to advance the well-being of current and future generations.
Use Social Explorer to visualize and interact with data, create maps, charts, reports, and other downloads. Explore hundreds of thousands of built-in data indicators related to demography, economy, health, politics, environment, crime, and more.