By Howard Culbertson
About 30 years ago, missiologist Luis Bush coined the phrase “10/40 Window.” He did that to focus attention on a specific area of the world where millions of people have little or no access to the Gospel.
Bush asked believers to draw an imaginary rectangle on the globe, from 10 degrees north of the equator up to 40 degrees north of the equator, and stretching from western most Africa to just east of Japan. Pointing to that imaginary oblong “window,” Bush pleaded with the Church to mobilize prayer, people and resources to evangelize and disciple people in all of the unreached and least-reached people groups in the northern half of Africa, the Middle East, and the areas once ruled by the ancient Babylonian and Persian empires as well as much of Asia including India and China.
The statistics from that 10/40 Window can be staggering. Two-thirds of all people on earth live in that rectangular area. Almost all of the world’s 55 least-evangelized countries are in the 10/40 Window. Half of the world’s least-evangelized large cities are in the 10/40 Window. The majority of the world’s Muslims, Hindus, Buddhists and Sikhs live in the 10/40 Window.
Sadly, the 10/40 Window is also home to 8 out of 10 of the poorest of the earth’s poor.
Many areas in the 10/40 Window are places that Nazarene Global Mission Director Verne Ward describes as “where the Church is not yet.” With just 10 percent of the current global Christian missionary force deployed there, that situation is not changing very rapidly. Unfortunately, almost 9 out of 10 of the people living in the 10/40 Window today remain outside the reach of current evangelistic efforts.
In several 10/40 Window countries, Christians suffer physical persecution and even death for their faith. Due to anti-Christian hostility and stringent government restrictions, many missionaries in the 10/40 Window have become creative in how they evangelize and disciple people. Many of the countries will not give visas to religious workers. So they have been labeled Creative Access areas. For these and other reasons, Patrick Johnstone, of Operation World, has called this area the “resistant belt.”
Drawing attention to the evangelistic task yet to be done, the visually dramatic 10/40 Window concept has inspired many to offer themselves for missionary service in some of the world’s most difficult and challenging places.
Clearly, the countries of the 10/40 Window are not the only places that need missionaries. So, this is not a call to remove missionaries from other areas of the world and send them all to the 10/40 Window. The 10/40 Window countries are not the only ones in the world with sinners needing missionaries to cross cultural and language barriers to tell them about God’s redeeming grace. However, the 10/40 Window does contain huge blocs of people who, by any definition, are today unreached and unevangelized.
We must pray that God will call more and more laborers into the countries in the 10/40 Window harvest field!
This article was originally published at: Engage Magazine
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