Maailmausundite statistika 3 - prognoos
International migration is another factor that will influence the projected size of religious groups in various regions and
countries.
Forecasting future migration patterns is difficult, because migration is often linked to government policies and international
events that can change quickly. For this reason, many population projections do not include migration in their models. But
working with researchers at the International Institute for Applied Systems Analysis in Laxenburg, Austria, the Pew Research
Center has developed an innovative way of using data on past migration patterns to estimate the religious composition of
migrant flows in the decades ahead. (For details on how the projections were made, see Chapter 1.)
The impact of migration can be seen in the examples shown in the graph at the right, which compares projection scenarios with
and without migration in the regions where it will have the greatest impact. In Europe, for instance, the Muslim share of the
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