The Center for the Study of Global Christianity, based at Gordon Conwell Seminary, published an excellent report in June 2013 regarding Christianity in its Global Context. Below are some statistics that may surprise you. (More details can be found online at Gordon Conwell’s website).

On the map above, 3.819 billion people live within the highlighted circle, and 3.227 billion live elsewhere.

Here are the twenty countries with the highest Average Annual Christian Growth Rate:

1 Nepal (Asia, South Central): 10.93%

2 China (Asia, Eastern): 10.86%

3 United Arab Emirates (Arabian Peninsula): 9.34%

4 Saudi Arabia (Arabian Peninsula): 9.27%

5 Qatar (Arabian Peninsula): 7.81%

6 Oman (Arabian Peninsula): 7.62%

7 Yemen (Arabian Peninsula): 7.09%

8 Mongolia (Asia, Eastern): 5.96%

9 Cambodia (Asia, Southeastern): 5.87%

10 Bahrain (Arabian Peninsula): 5.49%

11 Benin (Africa, Western): 4.85%

12 Burkina Faso ÂȘAfrica, Western): 4.81%

13 South Sudan (Africa, Eastern): 4.67%

14 Bhutan (Asia, South Central): 4.60%

15 Mali (Africa, Western): 4.54%

16 Brunei (Asia, Southeastern): 4.49%

17 Guinea (Africa, Western): 4.44%

18 Kuwait (Arabian Peninsula): 4.26%

19 Singapore (Asia, Southeastern): 4.12%

20 Turks and Caicos Islands (Caribbean): 3.97%

The majority of the top-twenty countries are clustered in three regions: Eastern Asia, Western Africa, and the Arabian Peninsula.

The highest Christian growth rates are found among all major non-Christian groups: Hindus, Non-Religious, Buddhists, Muslims and Ethno-religionists.

One parting statistical note:

The United States sends one missionary for each 4,158 US believers.
Korea sends one missionary for each 1,000 Korean believers.
Mongolia sends one missionary for each 228 Mongolian believers.

(Thanks to Michael Kenney for contributing this article.)