There are over 16,000 people groups in the world. A peoples is a group of men, women, and children of a particular nation, community, or ethnic group. And of the 16,000 plus people groups in the world, over 7,000 of them have never heard about Jesus! The total people comes to over 2.8 billion people who have not heard the good new. Most of the unreached people(s) live in an area known as the 10/40 window. It's located between 10 degrees latitude north of the equator to 40 degrees north. Over 5,000 unreached people groups live within the 10/40 window.