Canadian Unitarian Council (CUC) became an independent body in 2002. The UUA and CUC were two of the seventeen members of the now defunct International Council of Unitarians and Universalists (1995-2021). In 2025, 0.4% of American adults, or approximately 1.1 million people, were estimated to identify with Unitarian Universalism (not limited to the UUA denomination) according to the Public Religion Research Institute's