Estimates vary a great deal, not least because of the huge growth in Christianity in the far East (like China) where Christians are still persecuted and so official numbers are difficult to obtain because of the secrecy involved in being a Christian there.
However estimates range from around 2.1 billion to 2.5 billion, or over a third of the world's population.
About 65% of Canada's population describes itself as Christian.
The majority of the population in Italy identifies as Christian, with the majority being Roman Catholic. However, there is also a significant population of Muslims, as well as smaller communities of other Christian denominations and religions.
Rough estimates place it around 20% or about 1.5 billion people
About 1/5 (19%) of the world's population.
Ohio is 52% Christian. It is ranked at #32 -- tied with Wyoming and Virginia. This is as of 2012.
Forty percent of the worlds population have pets at home.
Asia is home to about 55% of the worlds population.
About a third 33%
About 70% of the USA population is Christian.
15%
god, and jesus
32% of the worlds population identify with the Christian faith.
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About 40 percent
5.2 billion people
The population of Cyan Worlds is 2,005.
The population of Cyan Worlds is 40.