The 10/40 Window concept highlights these three elements: an area of the world, with great poverty and low quality of life, combined with lack of access to Christian resources. The Window forms a band encompassing Saharan and Northern Africa, as well as almost all of Asia (West Asia, Central Asia, South Asia, East Asia and much of Southeast Asia). Roughly two-thirds of the world population lives in the 10/40 Window. The 10/40 Window is populated by people who are predominantly Muslim, Hindu, Buddhist, Animist, Jewish or Atheist. Many governments in the 10/40 Window are formally or informally opposed to Christian work of any kind within their borders.