The Union is formed by the Chambers of Notaries of the following countries:
Albania, Andorra, Armenia, Austria, Belgium, Bulgaria, Croatia, Czech Republic, Estonia, France, Germany, Greece, Hungary, Italia, Latvia, Lithuania, London (UK), Luxembourg, Macedonia Republic(FYROM), Malta, Moldava, Monaco, Netherlands, Poland, Portugal, Romania, Russia, San Marino, Slovakia, Slovenia, Spain, Switzerland, Turkey, Vatican.
Argentina, Bolivia, Brazil, Canada, Chile, Colombia, Costa Rica, Cuba, Dominican Republic, El Salvador, Ecuador, Guatemala, Haiti, Honduras, Mexico, Nicaragua, Panama, Paraguay, Peru, Puerto Rico, Uruguay, Louisiana (USA) and Venezuela.
Algeria, Benin, Burkina Faso, Cameroon, Central African Republic, Chad, Congo, Gabon, Guinea, Ivory Coast, Mali, Morocco, Niger, Senegal and Togo.
China (People's Republic), Indonesia, Japan.
The member notariats are represented by their respective national chamber of notaries or - if there is no national chamber - by another appropriate national or regional chamber or notarial instititution. Each country has one vote.
The members of the Union are represented by respective National Councils or by similar national organisations and by notarial districts and institutions of a regional or provincial nature. Each country has one vote.
The International Union of Notaries has privileged relations with professional jurists who fulfil “notarial” duties in various countries or federated States, or with the bodies that represent them and some of them have asked to join the Union: Georgia, Mauritius Islands, Kazakhstan, Mauritania, Ukraine, Alabama, Belarus, Bosnia-Herzegovina, Cambodia, British Columbia, Florida, Illinois, Indiana, Iran, Kyrgyzstan, Laos, Madagascar, New Zealand, the Philippines, Serbia, the Seychelles, South Korea, Texas, Tunisia and Vietnam.