Delegates seated behind country nameplates in the ISA meeting hall

Members

Member States

All States Parties to UNCLOS are ipso facto members of ISA. As of 6 February 2026, ISA has 172 Members, including 171 Member States and the European Union.

By regional group

171 Member States and the European Union

African Group

48 Member States

Asia-Pacific Group

47 Member States

Eastern European Group

23 Member States

Latin American and Caribbean States Group

29 Member States

Western European and Other States Group

24 Member States

European Union

Party to LOSC and the Agreement since 1 April 1998

Every Member

Members by regional group

Date each Member became Party to the Law of the Sea Convention (LOSC) and to the 1994 Agreement relating to the Implementation of Part XI.

African Group (48)
MemberParty to LOSCParty to Agreement
Algeria11 June 199611 June 1996
Angola5 December 19907 September 2010
Benin16 October 199716 October 1997
Botswana2 May 199031 January 2005
Burkina Faso25 January 200525 January 2005
Cabo Verde10 August 198723 April 2008
Cameroon19 November 198528 August 2002
Chad14 August 200914 August 2009
Comoros21 June 1994–
Congo9 July 20089 July 2008
Côte d’Ivoire26 March 198428 July 1995
Democratic Republic of the Congo17 February 1989–
Djibouti8 October 1991–
Egypt26 August 1983–
Equatorial Guinea21 July 199721 July 1997
Eswatini24 September 201224 September 2012
Gabon11 March 199811 March 1998
Gambia22 May 1984–
Ghana7 June 1983–
Guinea6 September 198528 July 1995
Guinea-Bissau25 August 1986–
Kenya2 March 198929 July 1994
Lesotho31 May 200731 May 2007
Liberia25 September 200825 September 2008
Madagascar22 August 200122 August 2001
Malawi28 September 201028 September 2010
Mali16 July 1985–
Mauritania17 July 199617 July 1996
Mauritius4 November 19944 November 1994
Morocco31 May 200731 May 2007
Mozambique13 March 199713 March 1997
Namibia18 April 198328 July 1995
Niger7 August 20137 August 2013
Nigeria14 August 198628 July 1995
Rwanda10 December 198218 May 2023
Sao Tome and Principe3 November 1987–
Senegal25 October 198425 July 1995
Seychelles16 September 199115 December 1994
Sierra Leone12 December 199412 December 1994
Somalia24 July 1989–
South Africa23 December 199723 December 1997
Sudan23 January 1985–
Togo16 April 198528 July 1995
Tunisia24 April 198524 May 2002
Uganda9 November 199028 July 1995
United Republic of Tanzania30 September 198525 June 1998
Zambia7 March 198328 July 1995
Zimbabwe24 February 199328 July 1995
Asia-Pacific Group (47)
MemberParty to LOSCParty to Agreement
Bahrain30 May 1985–
Bangladesh27 July 200127 July 2001
Brunei Darussalam5 November 19965 November 1996
Cambodia2 February 20262 February 2026
China7 June 19967 June 1996
Cook Islands15 February 199515 February 1995
Cyprus12 December 198827 July 1995
Fiji10 December 198228 July 1995
India29 June 199529 June 1995
Indonesia3 February 19862 June 2000
Iraq30 July 1985–
Japan20 June 199620 June 1996
Jordan27 November 199527 November 1995
Kiribati24 February 200324 February 2003
Kuwait2 May 19862 August 2002
Kyrgyzstan1 November 20251 November 2025
Lao People's Democratic Republic5 June 19985 June 1998
Lebanon5 January 19955 January 1995
Malaysia14 October 199614 October 1996
Maldives7 September 20007 September 2000
Marshall Islands9 August 1991–
Micronesia (Federated States of)29 April 19916 September 1995
Mongolia13 August 199613 August 1996
Myanmar21 May 199621 May 1996
Naoero23 January 199623 January 1996
Nepal2 November 19982 November 1998
Niue11 October 200611 October 2006
Oman17 August 198926 February 1997
Pakistan26 February 199726 February 1997
Palau30 September 199630 September 1996
Papua New Guinea14 January 199714 January 1997
Philippines8 May 198423 July 1997
Qatar9 December 20029 December 2002
Republic of Korea29 January 199629 January 1996
Samoa14 August 199514 August 1995
Saudi Arabia24 April 199624 April 1996
Singapore17 November 199417 November 1994
Solomon Islands23 June 199723 June 1997
Sri Lanka19 July 199428 July 1995
State of Palestine2 January 20152 January 2015
Thailand15 May 201115 May 2011
Timor-Leste8 January 20138 January 2013
Tonga2 August 19952 August 1995
Tuvalu9 December 20029 December 2002
Vanuatu10 August 199910 August 1999
Viet Nam25 July 199427 April 2006
Yemen21 July 1987–
Eastern European Group (23)
MemberParty to LOSCParty to Agreement
Albania23 June 200323 June 2003
Armenia9 December 20029 December 2002
Azerbaijan16 June 201616 June 2016
Belarus30 August 200630 August 2006
Bosnia and Herzegovina12 January 1994–
Bulgaria15 May 199615 May 1996
Croatia5 April 19955 April 1995
Czechia21 June 199621 June 1996
Estonia26 August 200526 August 2005
Georgia21 March 199621 March 1996
Hungary5 February 20025 February 2002
Latvia23 December 200423 December 2004
Lithuania12 November 200312 November 2003
Montenegro23 October 200623 October 2006
North Macedonia19 August 199419 August 1994
Poland13 November 199813 November 1998
Republic of Moldova6 February 20076 February 2007
Romania17 December 199617 December 1996
Russian Federation12 March 199712 March 1997
Serbia12 March 200128 July 1995
Slovakia8 May 19968 May 1996
Slovenia16 June 199516 June 1995
Ukraine26 July 199926 July 1999
Latin American and Caribbean States Group (29)
MemberParty to LOSCParty to Agreement
Antigua and Barbuda2 February 1989–
Argentina1 December 19951 December 1995
Bahamas29 July 198328 July 1995
Barbados12 October 199328 July 1995
Belize13 August 198321 October 1994
Bolivia (Purinational State of)28 April 199528 April 1995
Brazil22 December 198825 October 2007
Chile25 August 199725 August 1997
Costa Rica21 September 199220 September 2001
Cuba15 August 198417 October 2002
Dominica24 October 1991–
Dominican Republic10 July 200910 July 2009
Ecuador24 September 201224 September 2012
Grenada25 April 199128 July 1995
Guatemala11 February 199711 February 1997
Guyana16 November 199325 September 2008
Haiti31 July 199631 July 1996
Honduras5 October 199328 July 2003
Jamaica21 March 198328 July 1995
Mexico18 March 198310 April 2003
Nicaragua3 May 20003 May 2000
Panama1 July 19961 July 1996
Paraguay26 September 198610 July 1995
Saint Kitts and Nevis7 January 1993–
Saint Lucia27 March 19859 August 1996
Saint Vincent and the Grenadines1 October 1993–
Suriname9 July 19989 July 1998
Trinidad and Tobago25 April 198628 July 1995
Uruguay10 December 19927 August 2007
Western European and Other States Group (24)
MemberParty to LOSCParty to Agreement
Australia5 October 19945 October 1994
Austria14 July 199514 July 1995
Belgium13 November 199813 November 1998
Canada7 November 20037 November 2003
Denmark16 November 200416 November 2004
Finland21 June 199621 June 1996
France11 April 199611 April 1996
Germany14 October 199414 October 1994
Greece21 July 199521 July 1995
Iceland21 June 198528 July 1995
Ireland21 June 199621 June 1996
Italy13 January 199513 January 1995
Luxembourg5 October 20005 October 2000
Malta20 May 199326 June 1996
Monaco20 March 199620 March 1996
Netherlands28 June 199628 June 1996
New Zealand19 July 199619 July 1996
Norway24 June 199624 June 1996
Portugal3 November 19973 November 1997
San Marino19 July 202419 July 2024
Spain15 January 199715 January 1997
Sweden25 June 199625 June 1996
Switzerland1 May 20091 May 2009
United Kingdom of Great Britain and Northern Ireland25 July 199725 July 1997
European Union
MemberParty to LOSCParty to Agreement
European Union1 April 19981 April 1998

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