Pew Research Center Feb. 23, 2011

Does the Census double count “snowbirds”?

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.

Feb. 22, 2011

Who Are the People in Your Neighborhood?

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.

Hispanic Feb. 1, 2011

Unauthorized Immigrant Population: National and State Trends, 2010

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 Jan. 5, 2011

The 2010 Congressional Reapportionment and Latinos

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.

Religion Dec. 6, 2010

Muslim Networks and Movements in Western Europe

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.

Religion Sep. 15, 2010

Muslim Networks and Movements in Western Europe

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.

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Jun. 4, 2010

Map: Interracial Marriage: Who and Where

In 2008, a record 14.6% of all new marriages in the United States were between spouses of a different race or ethnicity from one another. Rates varied by region, by state and racial group.

Religion Apr. 15, 2010

Islam and Christianity in Sub-Saharan Africa

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.

Mar. 16, 2010

The Census: College Students Count — but Where?

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.

Feb. 12, 2010

The Prisoner Dilemma

Should the Census count inmates in the areas where they are incarcerated or try to link them to their hometowns?