This appendix details the methods used in this study to project changes in the population size and geographic distribution of eight major religious groups from 2010 to 2050. It is organized in five sections. The first section explains how the baseline (2010) religious composition estimates were derived. The second section describes how key input data […]
Thursday, April 23, 10 A.M. to 11:30 A.M. The Pew Research Center’s new demographic projections– the first formal forecasts using data on age, fertility, mortality, migration and religious switching for the world’s eight major religious groups – finds that the religious profile of the world is rapidly changing. By 2050, the number of Muslims around […]
When demographers attempt to forecast changes in the size of a population, they typically focus on four main factors: fertility rates, mortality rates (life expectancy), the initial age profile of the population (whether it is relatively old or relatively young to begin with) and migration. In the case of religious groups, a fifth factor is […]
The Christian share of the U.S. population is declining, while the share of Americans who do not identify with any organized religion is growing. These changes affect all regions in the country and many demographic groups.
This is the sixth time the Pew Research Center has measured restrictions on religion around the globe.44 This report, which includes data for the year ending Dec. 31, 2013, generally follows the same methodology as previous reports, although it includes one new analysis, which is discussed below. Pew Research uses two 10-point indexes – the […]
Overview The estimates presented in this report for the unauthorized immigrant population are based on a residual estimation methodology that compares a demographic estimate of the number of immigrants residing legally in the country with the total number of immigrants as measured by a survey—either the American Community Survey or the March Supplement to the […]
The survey was conducted via face-to-face interviews under the direction of Princeton Survey Research Associates International in Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua and Panama, and Ipsos Public Affairs in Argentina, Bolivia, Brazil, Chile, Colombia, the Dominican Republic, Ecuador, Paraguay, Peru, Puerto Rico, Uruguay and Venezuela. The survey is based on samples of […]
For Pew Research's 10-year anniversary, here's a list of 10 big research questions we've answered over the years that speak to broad ways that America and the world is changing.
Latin America is home to more than 425 million Catholics – nearly 40% of the world’s total Catholic population – and the Roman Catholic Church now has a Latin American pope for the first time in its history. Yet identification with Catholicism has declined throughout the region, according to a major new Pew Research Center […]
These 1,592 reporters come from a wide range of outlets and sectors. Even with the declines of the last decade, newspapers still employ the greatest portion of all statehouse reporters—38% of the total. The next largest employer, television stations, account for less than half as many (17%). They are followed by reporters working for a […]