Johnstone illustrates visually the century-by-century expansion of the church around the world and lists the shaping events of each century. Analyzing the trends within each branch of Christianity, he gives special attention to various forms of evangelical Christianity.
For mission leaders or anyone who is considering cross-cultural service, Johnstone provides detailed information of unreached people groups by dissecting a region (affinity block) to point out the key population, historical, or religious issues and trends among the various people group clusters within the affinity block. Johnstone includes various maps and charts to point out where mission efforts are currently located and needed.
All this and much more in 264 pages of charts, graphs, text, and photos! It is worth reading.
Interesting stats include:
- Globally, there is likely to be a peak in births around 2015, and an adult population peak around 2040–60.
- Muslims don’t convert? Currently there are nearly 9 million Christian believers in the world who were formerly Muslim.
- Most of the world’s 10 most populous cities in 2000 were in the more developed world. By 2050, only Tokyo will remain in that list. Top five cities are expected to be: Lagos, Nigeria; Mumbai, India; Karachi, Pakistan; Dhaka, Bangladesh, and Kolkata, India
- South Asia (India) has the highest concentration of unevangelized individuals on earth. Christians have multiplied in only a few hundred of its thousands of cultures.
- By 2050, there are likely to be more Christians than Buddhists in both China and Korea and missionaries from these countries will then comprise a large part of the global missionary force. South Korea is now the country that sends most missionaries abroad after the US, with over 13,000 missionaries in 2008.
- The major growth of Protestants has been in Latin America, Africa and Asia. They had 5% of all Protestants in 1900 and 59% in 2000
- Europe’s Evangelicals constituted 45% of the world’s Evangelicals in 1900 but only 4% in 2000. Europe increasingly is in need of (re-) evangelization.