Trade & governance
United Nations Convention on the Law of the Sea
Source: UN Treaty Collection · scraped 2026-09-26
Figures below count the 193 UN member states separately from other parties to this treaty (international organizations and non-member observer states) — a treaty can have more parties than there are UN member states.
168/193
RatifiedUN member states
172 in total, incl. 4 non-UN members (Cook Islands, European Union, Niue, State of Palestine)
12
Signed, not ratifiedUN member states
0
WithdrawnUN member states
13
No actionUN member states
| Country | Signature | Ratification | Withdrawal | Status |
|---|---|---|---|---|
| Albania | — | 2003-06-23(Accession) | — | Ratified |
| Algeria | 1982-12-10 | 1996-06-11 | — | Ratified |
| Angola | 1982-12-10 | 1990-12-05 | — | Ratified |
| Antigua and Barbuda | 1983-02-07 | 1989-02-02 | — | Ratified |
| Argentina | 1984-10-05 | 1995-12-01 | — | Ratified |
| Armenia | — | 2002-12-09(Accession) | — | Ratified |
| Australia | 1982-12-10 | 1994-10-05 | — | Ratified |
| Austria | 1982-12-10 | 1995-07-14 | — | Ratified |
| Azerbaijan | — | 2016-06-16(Accession) | — | Ratified |
| Bahamas | 1982-12-10 | 1983-07-29 | — | Ratified |
| Bahrain | 1982-12-10 | 1985-05-30 | — | Ratified |
| Bangladesh | 1982-12-10 | 2001-07-27 | — | Ratified |
| Barbados | 1982-12-10 | 1993-10-12 | — | Ratified |
| Belarus | 1982-12-10 | 2006-08-30 | — | Ratified |
| Belgium | 1984-12-05 | 1998-11-13 | — | Ratified |
| Belize | 1982-12-10 | 1983-08-13 | — | Ratified |
| Benin | 1983-08-30 | 1997-10-16 | — | Ratified |
| Bolivia | 1984-11-27 | 1995-04-28 | — | Ratified |
| Bosnia and Herzegovina | — | 1994-01-12(Succession) | — | Ratified |
| Botswana | 1984-12-05 | 1990-05-02 | — | Ratified |
| Brazil | 1982-12-10 | 1988-12-22 | — | Ratified |
| Brunei Darussalam | 1984-12-05 | 1996-11-05 | — | Ratified |
| Bulgaria | 1982-12-10 | 1996-05-15 | — | Ratified |
| Burkina Faso | 1982-12-10 | 2005-01-25 | — | Ratified |
| Cabo Verde | 1982-12-10 | 1987-08-10 | — | Ratified |
| Cambodia | 1983-07-01 | 2026-02-06 | — | Ratified |
| Cameroon | 1982-12-10 | 1985-11-19 | — | Ratified |
| Canada | 1982-12-10 | 2003-11-07 | — | Ratified |
| Chad | 1982-12-10 | 2009-08-14 | — | Ratified |
| Chile | 1982-12-10 | 1997-08-25 | — | Ratified |
| China | 1982-12-10 | 1996-06-07 | — | Ratified |
| Comoros | 1984-12-06 | 1994-06-21 | — | Ratified |
| Congo | 1982-12-10 | 2008-07-09 | — | Ratified |
| Cook IslandsNon-UN member | 1982-12-10 | 1995-02-15 | — | Ratified |
| Costa Rica | 1982-12-10 | 1992-09-21 | — | Ratified |
| Croatia | — | 1995-04-05(Succession) | — | Ratified |
| Cuba | 1982-12-10 | 1984-08-15 | — | Ratified |
| Cyprus | 1982-12-10 | 1988-12-12 | — | Ratified |
| Czech Republic | 1993-02-22 | 1996-06-21 | — | Ratified |
| Côte d'Ivoire | 1982-12-10 | 1984-03-26 | — | Ratified |
| Democratic Republic of the Congo | 1983-08-22 | 1989-02-17 | — | Ratified |
| Denmark | 1982-12-10 | 2004-11-16 | — | Ratified |
| Djibouti | 1982-12-10 | 1991-10-08 | — | Ratified |
| Dominica | 1983-03-28 | 1991-10-24 | — | Ratified |
| Dominican Republic | 1982-12-10 | 2009-07-10 | — | Ratified |
| Ecuador | — | 2012-09-24(Accession) | — | Ratified |
| Egypt | 1982-12-10 | 1983-08-26 | — | Ratified |
| Equatorial Guinea | 1984-01-30 | 1997-07-21 | — | Ratified |
| Estonia | — | 2005-08-26(Accession) | — | Ratified |
| Eswatini | 1984-01-18 | 2012-09-24 | — | Ratified |
| European UnionNon-UN member | 1984-12-07 | 1998-04-01(Formal confirmation) | — | Ratified |
| Fiji | 1982-12-10 | 1982-12-10 | — | Ratified |
| Finland | 1982-12-10 | 1996-06-21 | — | Ratified |
| France | 1982-12-10 | 1996-04-11 | — | Ratified |
| Gabon | 1982-12-10 | 1998-03-11 | — | Ratified |
| Gambia | 1982-12-10 | 1984-05-22 | — | Ratified |
| Georgia | — | 1996-03-21(Accession) | — | Ratified |
| Germany | — | 1994-10-14(Accession) | — | Ratified |
| Ghana | 1982-12-10 | 1983-06-07 | — | Ratified |
| Greece | 1982-12-10 | 1995-07-21 | — | Ratified |
| Grenada | 1982-12-10 | 1991-04-25 | — | Ratified |
| Guatemala | 1983-07-08 | 1997-02-11 | — | Ratified |
| Guinea | 1984-10-04 | 1985-09-06 | — | Ratified |
| Guinea-Bissau | 1982-12-10 | 1986-08-25 | — | Ratified |
| Guyana | 1982-12-10 | 1993-11-16 | — | Ratified |
| Haiti | 1982-12-10 | 1996-07-31 | — | Ratified |
| Honduras | 1982-12-10 | 1993-10-05 | — | Ratified |
| Hungary | 1982-12-10 | 2002-02-05 | — | Ratified |
| Iceland | 1982-12-10 | 1985-06-21 | — | Ratified |
| India | 1982-12-10 | 1995-06-29 | — | Ratified |
| Indonesia | 1982-12-10 | 1986-02-03 | — | Ratified |
| Iraq | 1982-12-10 | 1985-07-30 | — | Ratified |
| Ireland | 1982-12-10 | 1996-06-21 | — | Ratified |
| Italy | 1984-12-07 | 1995-01-13 | — | Ratified |
| Jamaica | 1982-12-10 | 1983-03-21 | — | Ratified |
| Japan | 1983-02-07 | 1996-06-20 | — | Ratified |
| Jordan | — | 1995-11-27(Accession) | — | Ratified |
| Kenya | 1982-12-10 | 1989-03-02 | — | Ratified |
| Kiribati | — | 2003-02-24(Accession) | — | Ratified |
| Kuwait | 1982-12-10 | 1986-05-02 | — | Ratified |
| Kyrgyzstan | — | 2025-09-20(Accession) | — | Ratified |
| Lao People's Democratic Republic | 1982-12-10 | 1998-06-05 | — | Ratified |
| Latvia | — | 2004-12-23(Accession) | — | Ratified |
| Lebanon | 1984-12-07 | 1995-01-05 | — | Ratified |
| Lesotho | 1982-12-10 | 2007-05-31 | — | Ratified |
| Liberia | 1982-12-10 | 2008-09-25 | — | Ratified |
| Lithuania | — | 2003-11-12(Accession) | — | Ratified |
| Luxembourg | 1984-12-05 | 2000-10-05 | — | Ratified |
| Madagascar | 1983-02-25 | 2001-08-22 | — | Ratified |
| Malawi | 1984-12-07 | 2010-09-28 | — | Ratified |
| Malaysia | 1982-12-10 | 1996-10-14 | — | Ratified |
| Maldives | 1982-12-10 | 2000-09-07 | — | Ratified |
| Mali | 1983-10-19 | 1985-07-16 | — | Ratified |
| Malta | 1982-12-10 | 1993-05-20 | — | Ratified |
| Marshall Islands | — | 1991-08-09(Accession) | — | Ratified |
| Mauritania | 1982-12-10 | 1996-07-17 | — | Ratified |
| Mauritius | 1982-12-10 | 1994-11-04 | — | Ratified |
| Mexico | 1982-12-10 | 1983-03-18 | — | Ratified |
| Micronesia | — | 1991-04-29(Accession) | — | Ratified |
| Monaco | 1982-12-10 | 1996-03-20 | — | Ratified |
| Mongolia | 1982-12-10 | 1996-08-13 | — | Ratified |
| Montenegro | — | 2006-10-23(Succession) | — | Ratified |
| Morocco | 1982-12-10 | 2007-05-31 | — | Ratified |
| Mozambique | 1982-12-10 | 1997-03-13 | — | Ratified |
| Myanmar | 1982-12-10 | 1996-05-21 | — | Ratified |
| Namibia | 1982-12-10 | 1983-04-18 | — | Ratified |
| Nauru | 1982-12-10 | 1996-01-23 | — | Ratified |
| Nepal | 1982-12-10 | 1998-11-02 | — | Ratified |
| Netherlands | 1982-12-10 | 1996-06-28 | — | Ratified |
| New Zealand | 1982-12-10 | 1996-07-19 | — | Ratified |
| Nicaragua | 1984-12-09 | 2000-05-03 | — | Ratified |
| Niger | 1982-12-10 | 2013-08-07 | — | Ratified |
| Nigeria | 1982-12-10 | 1986-08-14 | — | Ratified |
| NiueNon-UN member | 1984-12-05 | 2006-10-11 | — | Ratified |
| North Macedonia | — | 1994-08-19(Succession) | — | Ratified |
| Norway | 1982-12-10 | 1996-06-24 | — | Ratified |
| Oman | 1983-07-01 | 1989-08-17 | — | Ratified |
| Pakistan | 1982-12-10 | 1997-02-26 | — | Ratified |
| Palau | — | 1996-09-30(Accession) | — | Ratified |
| Panama | 1982-12-10 | 1996-07-01 | — | Ratified |
| Papua New Guinea | 1982-12-10 | 1997-01-14 | — | Ratified |
| Paraguay | 1982-12-10 | 1986-09-26 | — | Ratified |
| Philippines | 1982-12-10 | 1984-05-08 | — | Ratified |
| Poland | 1982-12-10 | 1998-11-13 | — | Ratified |
| Portugal | 1982-12-10 | 1997-11-03 | — | Ratified |
| Qatar | 1984-11-27 | 2002-12-09 | — | Ratified |
| Republic of Korea | 1983-03-14 | 1996-01-29 | — | Ratified |
| Moldova | — | 2007-02-06(Accession) | — | Ratified |
| Romania | 1982-12-10 | 1996-12-17 | — | Ratified |
| Russian Federation | 1982-12-10 | 1997-03-12 | — | Ratified |
| Rwanda | 1982-12-10 | 2023-05-18 | — | Ratified |
| Samoa | 1984-09-28 | 1995-08-14 | — | Ratified |
| San Marino | — | 2024-07-19(Accession) | — | Ratified |
| Sao Tome and Principe | 1983-07-13 | 1987-11-03 | — | Ratified |
| Saudi Arabia | 1984-12-07 | 1996-04-24 | — | Ratified |
| Senegal | 1982-12-10 | 1984-10-25 | — | Ratified |
| Serbia | — | 2001-03-12(Succession) | — | Ratified |
| Seychelles | 1982-12-10 | 1991-09-16 | — | Ratified |
| Sierra Leone | 1982-12-10 | 1994-12-12 | — | Ratified |
| Singapore | 1982-12-10 | 1994-11-17 | — | Ratified |
| Slovakia | 1993-05-28 | 1996-05-08 | — | Ratified |
| Slovenia | — | 1995-06-16(Succession) | — | Ratified |
| Solomon Islands | 1982-12-10 | 1997-06-23 | — | Ratified |
| Somalia | 1982-12-10 | 1989-07-24 | — | Ratified |
| South Africa | 1984-12-05 | 1997-12-23 | — | Ratified |
| Spain | 1984-12-04 | 1997-01-15 | — | Ratified |
| Sri Lanka | 1982-12-10 | 1994-07-19 | — | Ratified |
| Saint Kitts and Nevis | 1984-12-07 | 1993-01-07 | — | Ratified |
| Saint Lucia | 1982-12-10 | 1985-03-27 | — | Ratified |
| Saint Vincent and the Grenadines | 1982-12-10 | 1993-10-01 | — | Ratified |
| State of PalestineNon-UN member | — | 2015-01-02(Accession) | — | Ratified |
| Sudan | 1982-12-10 | 1985-01-23 | — | Ratified |
| Suriname | 1982-12-10 | 1998-07-09 | — | Ratified |
| Sweden | 1982-12-10 | 1996-06-25 | — | Ratified |
| Switzerland | 1984-10-17 | 2009-05-01 | — | Ratified |
| Thailand | 1982-12-10 | 2011-05-15 | — | Ratified |
| Timor-Leste | — | 2013-01-08(Accession) | — | Ratified |
| Togo | 1982-12-10 | 1985-04-16 | — | Ratified |
| Tonga | — | 1995-08-02(Accession) | — | Ratified |
| Trinidad and Tobago | 1982-12-10 | 1986-04-25 | — | Ratified |
| Tunisia | 1982-12-10 | 1985-04-24 | — | Ratified |
| Tuvalu | 1982-12-10 | 2002-12-09 | — | Ratified |
| Uganda | 1982-12-10 | 1990-11-09 | — | Ratified |
| Ukraine | 1982-12-10 | 1999-07-26 | — | Ratified |
| United Kingdom | — | 1997-07-25(Accession) | — | Ratified |
| United Republic of Tanzania | 1982-12-10 | 1985-09-30 | — | Ratified |
| Uruguay | 1982-12-10 | 1992-12-10 | — | Ratified |
| Vanuatu | 1982-12-10 | 1999-08-10 | — | Ratified |
| Viet Nam | 1982-12-10 | 1994-07-25 | — | Ratified |
| Yemen | 1982-12-10 | 1987-07-21 | — | Ratified |
| Zambia | 1982-12-10 | 1983-03-07 | — | Ratified |
| Zimbabwe | 1982-12-10 | 1993-02-24 | — | Ratified |