Kafr Jammal enjoys good relations with neighboring territories, and heavy education and commercial exchange take place among them. The village is also notable for having a large diaspora outside the West Bank, mostly in Jordan, but also in Saudi Arabia and the United States. Kafr Jammal's population follow the Hanbali and Shafi'ifiqh (schools of Sunni Islam).
Hütteroth, Wolf-Dieter; Abdulfattah, Kamal (1977). Historical Geography of Palestine, Transjordan and Southern Syria in the Late 16th Century. Erlanger Geographische Arbeiten, Sonderband 5. Erlangen, Germany: Vorstand der Fränkischen Geographischen Gesellschaft. ISBN3-920405-41-2. (p. 140)