Christians make up about the same proportion of the world's population today as they did a century ago, but there has been a momentous shift in where they live.
View data on Christians in 232 countries in a series of sortable data tables. View all Christians and each tradition by number, as a percentage of the total Christian population and as a percentage of the overall population.
Select one of 232 countries, a region or the world to see the size of the Christian population in 2010. Filter data to see the 2010 population of the Christian traditions.
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.