How many practice christianity

Geography is important in religion. Asia-Pacific is the most populous region in the world, and also the most religious. Three-quarters of religious people live in a country where they form a majority of the population; the remaining quarter live as religious minorities. Three-quarters of Muslims live in Muslim-majority countries. Among the religiously unaffiliated, seven out of 10 live in countries where they are in the majority, including China, the Czech Republic and North Korea.

The median age of the global population is Two religions have a median age below that: Muslims 23 and Hindus Other main religions have an older median age: Christians, 30; Buddhists, 34 and Jews, The religiously unaffiliated come in at Islam is the fastest-growing religion in the world — more than twice as fast as the overall global population.

But proportionately, these religious groupings will be smaller than now because their growth is lower than the increase in the overall global population. Muslim women have an average of 2. And while Christian women have an overall birth rate of 2. There are reckoned to be another million Catholics. In contrast, Christianity is in decline in Western Europe. In Ireland, traditionally a staunchly Catholic country, the proportion of people identifying with Catholicism fell from Those with no religious affiliation increased to 9.

Seven in 10 people under the age of 44 said they were non-religious; the only age group in which the majority are religiously affiliated is the overs. The Islamic Republic of Iran is probably the one that springs to mind first. Until the revolution, the country was ruled by the Shah, or monarch.

But the leader of the new state was the Ayatollah Ruhollah Khomeini, who implemented a political system based on Islamic beliefs and appointed the heads of the judiciary, military and media. Even in a polarized era, the survey reveals deep divisions in both partisan coalitions. Use this tool to compare the groups on some key topics and their demographics. Pew Research Center now uses as the last birth year for Millennials in our work. President Michael Dimock explains why.

About Pew Research Center Pew Research Center is a nonpartisan fact tank that informs the public about the issues, attitudes and trends shaping the world.

It conducts public opinion polling, demographic research, media content analysis and other empirical social science research. Pew Research Center does not take policy positions. It is a subsidiary of The Pew Charitable Trusts.

Newsletters Donate My Account. Research Topics. Try our email course on Muslims and Islam Learn about Muslims and Islam through four short lessons delivered to your inbox every other day. Share this link:. Conrad Hackett is a senior demographer and associate director of research at Pew Research Center.

David McClendon is a former research associate who focused on religion research at Pew Research Center. Other nations that have a large number of Christians include:. Of its over 1. Other nations with high percentages of Christians concerning total population include:.

Most Christian Countries World Population by Religion Approximately 2. Show Source.