InterAction is the largest coalition of U.S.-based international nongovernmental organizations (NGOs) focused on the world's poor and most vulnerable people. Collectively, InterAction's more than 165 members work in every developing country. Formed in 1984 with 22 members and now based in Washington, DC with a staff of 40, InterAction's member agencies are large and small, faith-based and secular and are headquartered across 25 states.