The Implicit Association Test (IAT) was developed in 1995 by Anthony G. Greenwald of the University of Washington and Mahzarin R. Banaji, now at Harvard University. The test is designed to measure unconscious or implicit preferences of individuals. In the case of race, the goal of the IAT is to measure preference for one race […]
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 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 […]
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 […]
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 […]
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.
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.
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.
Is Digital News Filling Key Reporting Gaps? In response to a Pew Research survey question from 2012, one official at a digital nonprofit described his editorial mission as “filling the holes that chain media outlets swerve around.” That description gets to the heart of a major question. As cuts in legacy organizations have forced editors […]