As a growing middle power, New Zealand is a member of several major multi-national organizations including UNESCO, OECD, World Bank, SEAMEO, APEC and the WTO.

UNESCO (United Nations Educational, Scientific & Cultural Organization): Was a founding member in 1946.

World Bank: Officially joined in 1972.

OECD (Organization for Economic Cooperation & Development): Joined in 1973.

SEAMEO (Southeast Asian Ministers of Education Organization): Officially joined as an Associate Member in 1973.

APEC (Asia Pacific Economic Cooperation): Was a founding member in 1989.

WTO (World Trade Organization): Was a founding member in 1995.

(Source material from UNESCO, OECD, World Bank, SEAMEO, APEC & WTO)