World population projections

Globally, about 40 million people are projected to switch into Christianity, while million are projected to leave, with most joining the ranks of the religiously unaffiliated. If the projected Jewish numbers were expanded to include cultural or ethnic Jews, it is possible that the size of the more broadly defined Jewish World population projections might be greater than the projected number of U.

April 2, The Future of World Religions: For the purposes of the religious group projections World population projections this report, people who identify their religion as atheist, agnostic or nothing in particular are categorized as unaffiliated. Interestingly, the United States is the only high-income country in this list, and by will be the fourth most populous country after India, China and Nigeria.

The global Buddhist population is expected to be fairly stable because of low fertility rates and aging populations in countries such as China, Thailand and Japan.

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 the United States, for example, the share of the population that belongs to other religions is projected to more than double — albeit from a very small base — rising from 0.

The projections are what will occur if the current data are accurate and current trends continue. Noble Kuriakose was involved in nearly all stages of the project and helped draft the chapter on demographic factors and the Methodology.

Religions with many adherents in developing countries — where birth rates are high, and infant mortality rates generally have been falling — are likely to grow quickly. Looking at the regional breakdown of the forecasts, we see that byAfrica and Asia will be home to 4.

One exception is Hindus, who are overwhelmingly concentrated in India, where the population is younger and fertility rates are higher than in China or Japan. Population projections are estimates built on current population data and assumptions about demographic trends, such as declining birth rates and rising life expectancies in particular countries.

Conrad Hackett was the lead researcher and primary author of this report. And, if so, when? Over the same period, the number of Hindus in Europe is expected to roughly double, from a little under 1.

These types of patterns are projected to continue as future generations come of age. However, other studies by the Pew Research Center show that Catholics have been declining and Protestants have been rising as a percentage of the population in some Latin American countries.

Over the next four decades, Christians will remain the largest religious group, but Islam will grow faster than any other major religion.

At the same time, however, the unaffiliated are expected to continue to increase as a share of the population in much of Europe and North America.

One of the main determinants of that future growth is where each group is geographically concentrated today.

The Future of World Religions: Population Growth Projections, 2010-2050

All countries are projected to have reached replacement fertility by Indeed, Nigeria is projected to have the third-largest Christian population in the world byafter the United States and Brazil.

The projections cover eight major groups: During this period, the populations of 28 African countries are projected to more than double, and byten African countries are projected to have increased by at least a factor of five: For details on how the projections were made, see Chapter 1.

In North America, the Hindu share of the population is expected to nearly double in the decades ahead, from 0. Within seven years bythe population of India will overtake that of China, and will reach 1.

I just had a chance to go through them and the great key findings document PDF, 1MB that accompanies them. Globally, Muslims have the highest fertility rate, an average of 3. Because censuses and surveys in many countries do not provide information on religious subgroups — such as Sunni and Shia Muslims or Catholic, Protestant and Orthodox Christians — the projections are for each religious group as a whole.Population Estimates and Projections, World Bank Group.

0 (0) ; Health, Nutrition and Population. This database presents population and other demographic estimates and projections from to They are disaggregated by age-group and sex and covers more than economies.

World Population Projections

rows · Projections of population growth established in predict that the human population is likely to keep growing untilreaching an estimated billion inThe median estimate for future growth sees the.

The Revision of World Population Prospects is the twenty-fifth round of official United Nations population estimates and projections that have been prepared by the Population Division of the Department of Economic and Social Affairs of the United Nations Secretariat.

The main results are presented in a series of Excel files displaying. Apr 02,  · In addition to making projections at the global level, this report projects religious change in countries and territories with at leastpeople as ofcovering % of the world’s population.

Last week, the UN released updated population figures and projections.

World population

I just had a chance to go through them and the great key findings document (PDF, 1MB) that accompanies them. But before I dive in, how accurate are these projections? What kind of track record do UN demographers have?

The future of the world’s population in 4 charts

The most comprehensive answer I could find. Max Roser () - "Future Population Growth". Why this happened becomes clearer if we look at the projections for the world fertility rate and global life expectancy. Estimates of the world population compared with the UN forecasts, since – Keilman () 8.

World population projections
Rated 4/5 based on 36 review