Members

WMO has 187 Member States and 6 Member Territories

- composed of 20 Member States with capitals in the Region, 2 Member States with capital outside the Region and 2 Member Territories.

Member States / Territories	Date joined
New Zealand Region V: South-West Pacific	2 April 1948
United Kingdom of Great Britain and Northern Ireland Region VI: Europe	14 December 1948
Australia Region V: South-West Pacific	14 March 1949
Philippines Region V: South-West Pacific	5 April 1949
United States of America Region IV: North America, Central America, Caribbean	4 May 1949
New Caledonia Region V: South-West Pacific	5 December 1949
French Polynesia Region V: South-West Pacific	5 December 1949
Indonesia Region V: South-West Pacific	16 November 1950
Malaysia Region V: South-West Pacific	19 May 1958
Singapore Region V: South-West Pacific	24 January 1966
Papua New Guinea Region V: South-West Pacific	15 December 1975
Fiji Region V: South-West Pacific	18 March 1980
Vanuatu Region V: South-West Pacific	24 June 1982
Brunei Darussalam Region V: South-West Pacific	26 November 1984
Solomon Islands Region V: South-West Pacific	6 May 1985
Samoa Region V: South-West Pacific	11 July 1995
Micronesia, Federated States of Region V: South-West Pacific	20 September 1995
Cook Islands Region V: South-West Pacific	18 October 1995
Tonga Region V: South-West Pacific	25 February 1996
Niue Region V: South-West Pacific	31 May 1996
Kiribati Region V: South-West Pacific	26 March 2003
Timor-Leste Region V: South-West Pacific	4 December 2009
Tuvalu Region V: South-West Pacific	22 September 2012
Nauru Region V: South-West Pacific	16 May 2019

New Zealand