On this page you'll find a selection of resources that will allow you to find data and statistics that are located in comprehensive sources as well as sources focused specifically on the following areas:
"Since 1981, the Committee on Ways and Means has published the Green Book, which presents background material and statistical data on the major entitlement programs and other activities within the Committee's jurisdiction." (Green Book -- About)
Provides data about development of countries all over the world, including the United States. You can look at data based on topics such as poverty, education, gender, and health.