Christianity Sees Major Shifts In 100 Years, Percentage Of Population Remains Constant

19/12/2011 Washington, D.C. — With Christmas fast approaching, the Pew Research Center’s Forum on Religion & Public Life published a new comprehensive demographic report on the size and distribution of the world’s Christian population. The study finds that there are 2.18 billion Christians of all ages in more than 200 countries around the world, representing nearly a third of the estimated 6.9 billion 2010 global population.