Women’s generally greater level of religiosity has been observed by scholars for decades; it has shown up in surveys going back as far as the 1930s.34 But not until the 1980s did academics begin a concerted effort to find an explanation for the phenomenon.35 Initially, some scholars assumed women were universally more religious across all religions […]
Population Estimates and Projections: Definitions, Methods and Data Sources Overall Methodology The national projections presented here use a variant of the basic cohort component model in which the initial population is carried forward into the future by adding new births, subtracting deaths, adding people moving into the country (immigrants), and subtracting people moving out (emigrants). […]
To overcome the obstacles of measuring racial attitudes, Pew Research Center conducted an Implicit Association Test (IAT), a technique that psychologists say measures subconscious or “hidden” bias by tracking how quickly individuals associate good and bad words with specific racial groups.
As of 2010, nearly a third of the world's population identified as Christian. But if demographic trends persist, Islam will close the gap by the middle of the 21st century.
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 […]
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 […]