Over the years, they have served in about 140 countries. Today 45% are at work in Africa, 24% in Asia and the Pacific, and 15% in Central and Eastern Europe; the remainders are to be found in the Arab States, the Caribbean, and Central and South America. Thirty perent serve in the world's poorest nations -- the least developed. Half work outside capital cities, frequently in remote towns and villages. This is in response to expressed needs, and it reflects the commitment which volunteers bring. Included here are the field workers serving at the grassroots level in Asia, the Pacific and Africa. These are practitioners with excellent track records in village-level community work; they exchange skills and knowledge among countries of those regions.