Polling data from the 2001 ARIS study indicate that: 81% of American adults identify themselves with a specific religion: 76.5% (159 million) of Americans identify themselves as Christian. There are 4.5 million people in the U.S. at the time of the study. so approximately 35 million were Christians. For the source, see the Related Link.
As of 2005 (most recent data), approximately 88 percent of the world's population were said to "believe in God" (Cambridge University). This is down from 96 percent in 2000. In the United States, 95 percent of the population "believe in God."
Accoridng to the CIA Fact Book, about 76% of Americans identify themselves as being Christian.
That would be about 232 Million American Christians.
There are varying estimates but they all seem to be approximately 2 billion Christians today - includes all sects.
About 2.2 billion people, nearly a third of the worlds population.
There are 33% Christians in the world, with 2.1 billion followers, making it the most popular religion in the world.
Second is Islam with 21% and 1.5 billion followers.
According to a study, it is estimated that there are nearly 2.2 billion Christians in the world. The world's population is nearly 7 billion so the percentage is just above 30 percent.
2 billion
2.2 billion
224,457,000
Africa
There are about 2 billion christians world wide
Followers of what in the indigenous what - where?
Most Brazilians are Christians, and most Brazilian Christians are Catholic. There are also many Evangelical Christians. Islam as well as some African-Brazilian religions such as Candomble, Macumba, and Umbanda are also practiced in Brazil.
There are millions of Christians worldwide. Christianity is one of the most widely accepted religions among many cultures in the world.
There are between 225 and 300 million orthodox Christians worldwide.
There are an estimated 225-300 million Orthodox Christians worldwide.
There are about 2.1 Christians worldwide.
2-3 %
The official number of Christian people worldwide is now roughly 2.2 billion.
There are an estimated 225-300 million Orthodox Christians worldwide.
As of 2010 the estimate is more than two billion followers.
They are called christians.
There are about 1.5 Billion Christians in the world, and the vast majority of them celebrate Christmas.
There are approximately 2.1 billion followers
Some statistics mention that there are about 225-300 million Christians in the Eastern Orthodox Church worldwide.