World Zionist OrganizationThe WZO currently consists of the following bodies: The World Zionist Unions, international Zionist federations; and international organizations that define themselves as Zionist, such as WIZO, Hadassah, B'nai B'rith, Maccabi, the International Sephardic Federation, the three streams of world Judaism (Orthodox, Conservative, Reform), delegation from the CIS – Commonwealth of Independent States (some states of the former Soviet Union), the World Union of Jewish Students (WUJS), and more.
The Jewish Agency is a parallel organisation, with goals, attributes and leadership closely intertwined with those of the Zionist Organization during the years before the establishment of the State of Israel, and to varying degrees after that. Significant changes to the statutes of both organisations occurred in 1952, 1970 and 1979.
Membership in the ZO was open to all Jews, and the right to vote for delegates to the congresses was secured by the purchase of the Zionist Shekel.[3] Delegations from all around the world, and from many different political backgrounds and religious traditions, took part in each Congress; delegations/parties were mainly grouped by ideology, rather than by geography.[citation needed]
In 1960 the ZO changed its name to the World Zionist Organization and adopted a new constitution under which individuals are ineligible for membership, which is reserved for organizations.
https://en.wikipedia.org/wiki/World_Zio ... ganization