Quick post to draw your attention to the newly released stats from the Pew folks on "global Christianity." The big takeaway:
comprehensive demographic study of more than 200 countries finds that
there are 2.18 billion Christians of all ages around the world,
representing nearly a third of the estimated 2010 global population of
6.9 billion. Christians are also geographically widespread – so
far-flung, in fact, that no single continent or region can indisputably
claim to be the center of global Christianity.
In addition to a quiz that might be of use in the classroom, lots of handy tables and maps are available for teaching and reflection on historical trends, including this one: