Hispanics of Mexican, Puerto Rican and Cuban origin or descent remain the nation's three largest Hispanic country-of-origin groups, according to the 2010 U.S. Census. Despite their No. 1 status, Mexicans are not the dominant Hispanic origin group in many of the nation's metropolitan areas.
Senior research staff answer questions from readers relating to all the areas covered by our seven projects, ranging from polling techniques and findings, to media, technology, religious, demographic and global attitudes trends.
People who turn to the Census Bureau’s latest data release in an effort to answer Sesame Street’s musical query may, in some cases, be puzzled by what they find. The detailed race, ethnicity and population counts make it easy to look up data for any block in America. But those numbers may not be completely accurate -- and deliberately so.
As of March 2010, 11.2 million unauthorized immigrants were living in the U.S., virtually unchanged from a year earlier and remaining well below the population's peak of 12 million in 2007. The number of unauthorized immigrants in the nation's workforce (8 million) also has not changed in the past year.
Hispanic voters are nearly three times more prevalent in states that gained congressional seats and Electoral College votes in the 2010 reapportionment than they are in states that lost seats.
Scholars discuss the purpose and findings of a major study that examines several of the oldest, largest and most influential Muslim groups operating in Western Europe today many of which are virtually unknown to non-Muslims.
The Muslim population in Western Europe has grown from less than 10 million in 1990 to approximately 17 million. A new report profiles some of the oldest, largest and most influential religious networks and movements affecting Islamic relations in Europe.
In little more than a century, the religious landscape of sub-Saharan Africa has changed dramatically. In 1900, traditional African religions dominated. Since then, the numbers of both Muslims and Christians have risen into the hundreds of millions. A new survey explores how sub-Saharan Africans themselves view the role of religion in their lives and societies.
Should college students be counted in the 2010 Census at their parents' home or their school address? The Census Bureau has a cut-and-dried answer, but this question recurs each decade because census rules and people's preferences are not always in sync.
Should the Census count inmates in the areas where they are incarcerated or try to link them to their hometowns?