Canada is a member of various international organizations and forums. Canada was a founding member of the United Nations in 1945 and formed the North American Aerospace Defense Command together with the United States in 1958. The country has membership in the World Trade Organization, the Five Eyes, the G7 and the Organisation for Economic Co-operation and Development (OECD). The country joined the Organization of American States (OAS) in 1990, and seeks to expand its ties to Pacific Rim economies through membership in the Asia-Pacific Economic Cooperation forum (APEC). Canada ratified the Universal Declaration of Human Rights in 1948, and seven principal UN human rights conventions and covenants since then. As of 2023, Canada is a signatory to 15 free trade agreements with 51 different countries, and has diplomatic and consular offices in over 270 locations in approximately 180 countries.