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report | Apr 2, 2015

Appendix A: Methodology

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 […]

report | Apr 2, 2015

Chapter 1: Main Factors Driving Population Growth

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 […]

report | May 12, 2015

America’s Changing Religious Landscape

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.

report | Feb 26, 2015

Appendix 1: Methodology

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 […]

report | Mar 5, 2015

Methodology

The study involved five separate research methodologies in each city, each of which is detailed below. City Selection Process The three cities studied as a part of Local News in a Digital Age are not meant to be representative of the United States as a whole, but rather serve as detailed case studies of local […]

report | Nov 18, 2014

Appendix C: Methodology

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 […]

report | Nov 13, 2014

Religion in Latin America

Nearly 40% of the world's Catholics live in Latin America, but many people in the region have converted from Catholicism to Protestantism, while some have left organized religion altogether.

report | Nov 13, 2014

Religion in Latin America

Nearly 40% of the world's Catholics live in Latin America, but many people in the region have converted from Catholicism to Protestantism, while some have left organized religion altogether.

report | Nov 13, 2014

Appendix A: Methodology

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 […]

transcript | Nov 20, 2014

Event Transcript: Religion in Latin America

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 […]

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