Tokelau (IPA: ) is a non-self-governing colonial territory of New Zealand that comprises three tropical coral atolls in the South Pacific Ocean. The islands are occasionally referred to by Westerners by an older colonial name, The Union Islands. Until 1976, the official name was Tokelau Islands. The United Nations General Assembly includes Tokelau on the United Nations list of Non-Self-Governing Territories that have not completed the process of decolonization. According to the CIA list of countries by GDP (PPP) it has the smallest economy of any country in the world.