As of May 2012, Background Notes are no longer being updated or produced. They are in the process of being replaced by Fact Sheets that focus on U.S. relations with each country. The link to each document from anywhere on http://www.state.gov/ or on any other site, as a bookmark, etc., will remain the same, whether it appears as a Background Note or when it is replaced by a Fact Sheet
Find tabular data for countries and regions as well as demographic indicators, population pyramids, and source information for countries.
The foreign-born population includes anyone who is not a U.S. citizen at birth, including those who have become U.S. citizens through naturalization. The native-born population includes anyone who is a U.S. citizen at birth, including those who were born in the United States, Puerto Rico, a U.S. Island Area (American Samoa, Guam, the Commonwealth of the Northern Mariana Islands, or the U.S. Virgin Islands), or abroad of a U.S. citizen parent or parents.
This report provides estimates on the resident nonimmigrant population by category of admission, country of citizenship, state of destination, age and gender.
"The Country Studies Series presents a description and analysis of the historical setting and the social, economic, political, and national security systems and institutions of countries throughtout the world."
"The World Factbook provides information on the history, people, government, economy, geography, communications, transportation, military, and transnational issues for 267 world entities."