Full - national sections (68); Associate (12); Corresponding (30). Full in 68 countries and territories:
• Democratic Republic of the Congo, Gambia.
• Argentina, Brazil, Canada, Chile, Colombia, Costa Rica, Cuba, Ecuador, El Salvador, Guatemala, Haiti, Honduras, Mexico, Panama, Paraguay, Peru, Puerto Rico*, Trinidad and Tobago, United States of America.
• China, India, Indonesia, Israel, Japan, Republic of Korea, Malaysia, Taiwan/China, Thailand, United Arab Emirates.
• New Zealand.
• Albania, Armenia, Austria, Azerbaijan, Belgium, Bosnia and Herzegovina, Bulgaria, Croatia, Cyprus, Czech Republic, Estonia, Finland, France, Georgia, Germany, Greece, Hungary, Italy, Latvia, Lithuania, Luxembourg, The former Yugoslav Republic of Macedonia, Montenegro, Netherlands, Norway, Poland, Portugal, Romania, Russian Federation, Slovenia, Spain, Sweden, Switzerland, Turkey, United Kingdom of Great Britain and Northern Ireland, Ukraine.
Associate in 12 countries and territories:
• Egypt, Gabon, South Africa.
• Antigua and Barbuda, Belize.
• Iran - Islamic Republic of, Pakistan, Palestinian territories, Philippines, Sri Lanka.
• Polynesia Fr*.
Corresponding in 28 countries and territories:
• Alg, Anguilla*, Aua, Blr, Ben, Bra, BF, Came, Cayman Islands, CAR, Cyp, Doma, Grenada, Gui, CI, Kuw, Kyr, Mali, Maua, Mor, Niger, Sau, Sen, SVG, Syr, Tog, Tun, UZB.
• Algeria, Benin, Burkina Faso, Cameroon, Central African Republic, Côte d'Ivoire, Guinea, Mali, Mauritania, Morocco, Niger, Senegal, Togo, Tunisia.
• Anguilla*, Brazil, Cayman Islands, Dominica, Grenada, Saint Vincent and the Grenadines.
• Kuwait, Kyrgyzstan, Saudi Arabia, Syrian Arab Republic, Uzbekistan.
• Austria, Belarus, Cyprus.