What is the 10/40 Window?

The 10/40 Window is the rectangular area of North Africa, the Middle East and Asia approximately between 10 degrees north and 40 degrees north latitude. The 10/40 Window is often called “The Resistant Belt” and includes the majority of the world’s Muslims, Hindus, and Buddhists.

Approximately 4.83 billion individuals residing in an estimated 8,065 distinct people groups are in the 10/40 Window. The 10/40 Window is home to some of the largest unreached people groups in the world such as the Shaikh, Yadava, Turks, Moroccan Arabs, Pashtun, Jat and Burmese.

WHAT IS A PEOPLE GROUP?

An ethno-linguistic group with a common self-identity that is shared by the various members. For strategic purposes it is the largest group within which the Gospel can spread without encountering barriers of understanding or acceptance.

11,473 people groups 7.2 billion people

WHO ARE THE UNREACHED?

A people group is considered unreached (UPG) when there is no indigenous community of believing Christians able to engage this people group with church planting. Technically speaking, the percentage of evangelical Christians in this people group is less than 2 percent.

6,786 unreached people groups 4.2 billion people

WHO ARE THE UNENGAGED?

Unreached people groups are unengaged (UUPG) when there is no church planting strategy, consistent with evangelical faith and practice, under way. Gathering believers and planting churches are the keys to establishing an effective and multiplying presence among these people groups.

3,094 unengaged unreached groups 199 million people