The Architect Registration Examination (ARE) is the professional licensure examination adopted by all 50 states of the United States, the District of Columbia, and three U.S. territories (Guam, Puerto Rico, and the U.S. Virgin Islands) to assess candidates for their knowledge, skills, and ability to provide the various services required in the practice of architecture. The exam is also accepted by 11 provincial and territorial architectural associations for architectural registration in Canada.