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Religions with many followers in developing countries — where birth rates are high, and infant mortality rates have in general been falling — are likely to grow quickly.
The low birth rate in China and Japan will also see falling numbers of Buddhists, as a proportion of the world population, by , although the absolute number will remain stable, at around million. Another important factor for the growth of religion is the current age distribution of each faith group.
All the remaining groups have smaller-than-average youth populations, and many of them have disproportionately high numbers of followers over the age of It must be noted that conversion patterns are complex and varied, so Pew has provided full details of its methodology and research, excluding conversion data.
Over the next 30 years Christianity is expected to experience the largest net losses from religious switching, with million predicted to leave the faith and only about 40 million people entering it as converts. Pew has pointed out, however, that the research was conducted with current population data and assumptions made about demographic trends.
This means many factors could alter the trajectories predicted in the report. Alternatively, if disaffiliation were to become common in countries with large Muslim populations, as it is now in some countries with large Christian populations such as the United Kingdom, the rise in the number of Muslims worldwide would be less dramatic.
How religious will the world be in ? How strongly do different nationalities feel about religion? In Germany alone, there were an estimated 1.
In fact, Muslims and the unaffiliated in Europe both experienced natural increases in their populations, with our new report estimating that there were over 2 million and 1 million more births than deaths, respectively, between and Globally, Muslims make up the second largest religious group, with 1. Muslims experienced the greatest natural increase among all religious groups, including Christians. Births to Muslims between and outnumbered deaths by million million births vs.
Globally, all major groups had more births than deaths.
Not all babies will remain in the religion of their mother, of course. In some countries, including the United States, it is fairly common for adults to leave their childhood religion and switch to another faith or no faith.
The faith can trace its roots all the way back to prehistory. Growing up with a cocaine addict. The low birth rate in China and Japan will also see falling numbers of Buddhists, as a proportion of the world population, by , although the absolute number will remain stable, at around million. The Parliament spurred the creation of a dozen privately funded lectures with the intent of informing people of the diversity of religious experience: The Invention of World Religions:
Globally, however, the effect of religious switching is overshadowed by the impact of differences in fertility and mortality. Indeed, fertility differences between religious groups are one of the key factors behind current population trends and will be important for future growth. Globally, Muslims have the highest fertility rate of any religious group — an average of 2.
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