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). […]
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 […]
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 […]
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 […]
Download the Methodology as a PDF (180 KB, 17pages) This study provides comprehensive demographic estimates of the size and distribution of eight major religious groups in the 232 countries and territories for which the United Nations Population Division provides general population estimates as of 2010.16 It includes estimates for Christians, Muslims, the religiously unaffiliated, Hindus, […]
This is the third time the Pew Forum has measured restrictions on religion around the globe.8 This report, which includes data through the year ending in mid-2010, follows the same methodology as the Pew Forum’s December 2009 report, “Global Restrictions on Religion,” and its August 2011 report, “Rising Restrictions on Religion,” with one major difference: […]
Chapter 1: Overview As the 2012 presidential candidates prepare their closing arguments to America’s middle class, they are courting a group that has endured a lost decade for economic well-being. Since 2000, the middle class has shrunk in size, fallen backward in income and wealth, and shed some—but by no means all—of its characteristic faith […]
During the decades-long emigration wave of Mexicans to the United States, Mexico has experienced a wide array of economic, demographic and social changes, some of which undoubtedly have had an impact on Mexican migration trends. This section offers a brief overview of the major changes. Mexico today is the world’s 11th-largest country by population with […]
Respondents’ thoughts Descriptions of future economic stress and economic divides were prevalent in responses to this survey question on higher education. While some who chose the first scenario said educational institutions are too static and will not move forward quickly to implement new digitally assisted approaches, others who chose that scenario said such change is […]