<P> The Iran nuclear deal framework was a preliminary framework agreement reached in 2015 between the Islamic Republic of Iran and a group of world powers : the P5 + 1 ( the permanent members of the United Nations Security Council -- the United States , the United Kingdom , Russia , France , and China -- plus Germany ) and the European Union . </P>
how many countries negotiated the iran nuclear deal
Germany China France Russia the United Kingdom the United States Islamic Republic of Iran European Union