Maailmausundite statistika 3 - prognoos
The youngest cohorts, ages 0-4, are
created by applying age-specific fertility rates to each female cohort in the childbearing years (ages 15-49), with children
inheriting the mother’s religion. For more details, see the Methodology.12
In the process of gathering input data and developing the projection model, the Pew Research Center previously published
reports on the current size and geographic distribution of major religious groups, including Muslims (2009), Christians (2011)
andseveral other faiths (2012). An initial set of projections for one religious group, Muslims, was published in 2011, although it did
not attempt to take religious switching into account.
Some social theorists have suggested that as countries develop economically, more of their inhabitants will move away from
religious affiliation. While that has been the general experience in some parts of the world, notably Europe, it is not yet clear
whether it is a universal pattern
annaabi.ee 
