The corruption of nations An organization called Transparency International (which calls itself "the only international non-governmental organisation devoted to combating corruption, brings civil society, business, and governments together in a powerful global coalition") has come up with something called the Corruption Perceptions Index. According to this index, Finland is perceived as the least corrupt nation in the world. The U.S. and Ireland are tied for 18th place on the least corrupt list. The Scandinavians appear to be the least corrupt in the world, while Bangladesh, Nigeria and Haiti are perceived as the most corrupt.