- There are 9,608 ethnic people groups and 15,942 people-in-country groups, counting each group once per country of residence.
- Of the 15,942 total groups, 6,430 are Least-Reached, totaling 2,576,038,000 individuals.
- Of these 6,430 groups, 4,975 are in 10/40 Window countries. That means 77% of the unreached / least-reached people groups are in the 10/40 Window.
- The largest least-reached group is the Japanese, with over 120,000,000 individuals.
- 3,285 groups are primarily Muslim, totaling nearly 1,300,000,000 individuals.
- 2,436 groups are primarily Hindu, totaling about 900,000,000 individuals.
- 561 groups are primarily Buddhist, totaling nearly 375,000,000 individuals.
- 6,486 groups are primarily Christian, totaling over 2,000,000,000 individuals. “Christian” is defined here as Christian adherents, not restricted to evangelicals.
- The Mandarin Chinese is the largest people group, being in 98 countries with a total of about 793,000,000 individuals, and with 783,000,000 of those in China.
- Jews are found in 130 countries, Arabs in 84 countries, and Chinese groups in 117 countries.
There is still lots of work to be done!