The National Taxpayers Union (NTU) is a fiscally conservative taxpayer advocacy organization and taxpayers union in the United States, founded in 1977 by James Dale Davidson. NTU says that it is the oldest taxpayer advocacy organization in the nation. It is closely affiliated with a non-profit foundation, the National Taxpayers Union Foundation (NTUF). The organization has ranked politicians on their perceived fiscal responsibility, in the eyes of the National Taxpayers Union.