| Agreement under the United Nations Convention on the Law of the Sea on the Conservation and Sustainable Use of Marine Biological Diversity of Areas beyond National Jurisdiction (19 June 2023) |
Jun 19, 2023 |
Sep 20, 2023 signature
Sep 19, 2025 ratification
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| Treaty on the Prohibition of Nuclear Weapons (7 July 2017) |
Jul 7, 2017 |
Sep 22, 2022 signature
Sep 24, 2024 ratification
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| Amendment to the Montreal Protocol on Substances that Deplete the Ozone Layer (15 October 2016) |
Oct 15, 2016 |
Jun 15, 2020 ratification
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| Paris Agreement (12 December 2015) |
Dec 12, 2015 |
Sep 22, 2016 signature
Nov 1, 2016 ratification
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| Minamata Convention on Mercury (10 October 2013) |
Oct 10, 2013 |
Aug 12, 2014 signature
Nov 1, 2016 ratification
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| Nagoya Protocol on Access to Genetic Resources and the Fair and Equitable Sharing of Benefits Arising from their Utilization to the Convention on Biological Diversity (29 October 2010) |
Oct 29, 2010 |
Nov 1, 2016 accession
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| United Nations Convention against Corruption (31 October 2003) |
Oct 31, 2003 |
Dec 9, 2003 signature
Sep 30, 2004 ratification
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| WHO Framework Convention on Tobacco Control от 21 мая 2003 г. |
May 21, 2003 |
May 22, 2009 accession
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| Protocol against the Illicit Manufacturing of and Trafficking in Firearms, their Parts and Components and Ammunition, supplementing the United Nations Convention against Transnational Organized Crime (31 May 2001) |
May 31, 2001 |
Nov 27, 2001 signature
Aug 12, 2014 ratification
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| Stockholm Convention on Persistent Organic Pollutants (22 May 2001) |
May 22, 2001 |
Sep 26, 2003 accession
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| Protocol against the Smuggling of Migrants by Land, Sea and Air, supplementing the United Nations Convention against Transnational Organized Crime (15 November 2000) |
Nov 15, 2000 |
Nov 27, 2001 signature
Aug 12, 2014 ratification
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| Protocol to Prevent, Suppress and Punish Trafficking in Persons, Especially Women and Children, supplementing the United Nations Convention against Transnational Organized Crime (15 November 2000) |
Nov 15, 2000 |
Nov 27, 2001 signature
Aug 12, 2014 ratification
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| United Nations Convention against Transnational Organized Crime (15 November 2000) |
Nov 15, 2000 |
Nov 27, 2001 signature
Aug 12, 2014 ratification
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| Optional Protocol to the Convention on the Rights of the Child on the sale of children, child prostitution and child pornography (25 May 2000) |
May 25, 2000 |
Sep 8, 2000 signature
Sep 17, 2001 ratification
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| Optional Protocol to the Convention on the Rights of the Child on the involvement of children in armed conflict (25 May 2000) |
May 25, 2000 |
Sep 8, 2000 signature
May 15, 2002 ratification
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Declaration:
"With regard to article 3, paragraph 2, of the Optional Protocol to the Convention on the Rights of the Child on the participation of Children in Armed Conflict, the Government of the Republic of Sierra Leone declares that:
1. The minimum age for voluntary recruitment into the Armed Forces is 18 years;
2. There is no compulsory, forced or coerced recruitment into the National Armed Forces;
3. Recruitment is exclusively on a voluntary basis."
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| Cartagena Protocol on Biosafety to the Convention on Biological Diversity (29 January 2000) |
Jan 29, 2000 |
Jun 15, 2020 accession
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| International Convention for the Suppression of the Financing of Terrorism (9 December 1999) |
Dec 9, 1999 |
Nov 27, 2001 signature
Sep 26, 2003 ratification
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| Rotterdam Convention on the Prior Informed Consent Procedure for Certain Hazardous Chemicals and Pesticides in International Trade (10 September 1998) |
Sep 10, 1998 |
Nov 1, 2016 accession
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| Rome Statute of the International Criminal Court (17 July 1998) |
Jul 17, 1998 |
Oct 17, 1998 signature
Sep 15, 2000 ratification
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| International Convention for the Suppression of Terrorist Bombings (15 December 1997) |
Dec 15, 1997 |
Sep 26, 2003 accession
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| Kyoto Protocol to the United Nations Framework Convention on Climate Change (11 December 1997) |
Dec 11, 1997 |
Nov 10, 2006 accession
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| Convention on the Prohibition of the Use, Stockpiling, Production and Transfer of Anti-Personnel Mines and on their Destruction (18 September 1997) |
Sep 18, 1997 |
Jul 29, 1998 signature
Apr 25, 2001 ratification
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| Convention on the Law of the Non-Navigational Uses of International Watercourses (21 May 1997) |
May 21, 1997 |
Jul 16, 2025 accession
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| Comprehensive Nuclear-Test-Ban Treaty (10 September 1996) |
Sep 10, 1996 |
Sep 8, 2000 signature
Sep 17, 2001 ratification
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| Agreement for the Implementation of the Provisions of the United Nations Convention on the Law of the Sea of 10 December 1982 relating to the Conservation and Management of Straddling Fish Stocks and Highly Migratory Fish Stocks (4 August 1995) |
Aug 4, 1995 |
Feb 2, 2026 accession
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| United Nations Convention to Combat Desertification in those Countries Experiencing Serious Drought and/or Desertification, Particularly in Africa (14 October 1994) |
Oct 14, 1994 |
Nov 11, 1994 signature
Sep 25, 1997 ratification
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| Agreement relating to the Implementation of Part XI of the United Nations Convention on the Law of the Sea of 10 December 1982 (28 July 1994) |
Jul 28, 1994 |
Nov 16, 1994 ratification
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| Convention on the Prohibition of the Development, Production, Stockpiling and Use of Chemical Weapons and on their Destruction (3 September 1992) |
Sep 3, 1992 |
Jan 15, 1993 signature
Sep 30, 2004 ratification
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| Convention on Biological Diversity (5 June 1992) |
Jun 5, 1992 |
Dec 12, 1994 accession
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| 7 . United Nations Framework Convention on Climate Change (9 May 1992) |
May 9, 1992 |
Feb 11, 1993 signature
Jun 22, 1995 ratification
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| Конвенция но охране и использованию трансграничных водостоков и международных озер от 17 марта 1992 г. |
Mar 17, 1992 |
Sep 26, 2025 accession
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| Convention on the Rights of the Child (20 November 1989) |
Nov 20, 1989 |
Feb 13, 1990 signature
Jun 18, 1990 ratification
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| Basel Convention on the Control of Transboundary Movements of Hazardous Wastes and their Disposal (22 March 1989) |
Mar 22, 1989 |
Nov 1, 2016 accession
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| United Nations Convention against Illicit Traffic in Narcotic Drugs and Psychotropic Substances (20 December 1988) |
Dec 20, 1988 |
Jun 9, 1989 signature
Jun 6, 1994 ratification
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| Montreal Protocol on Substances that Deplete the Ozone Layer (16 September 1987) |
Sep 16, 1987 |
Aug 29, 2001 accession
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| Vienna Convention for the Protection of the Ozone Layer (22 March 1985) |
Mar 22, 1985 |
Aug 29, 2001 accession
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| Convention against Torture and Other Cruel, Inhuman or Degrading Treatment or Punishment (10 December 1984) |
Dec 10, 1984 |
Mar 18, 1985 signature
Apr 25, 2001 ratification
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| United Nations Convention on the Law of the Sea (10 December 1982) |
Dec 10, 1982 |
Dec 10, 1982 signature
Dec 12, 1994 ratification
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| Convention on Prohibitions or Restrictions on the Use of Certain Conventional Weapons which may be deemed to be Excessively Injurious or to have Indiscriminate Effects (with Protocols I, II and III) (10 October 1980) |
Oct 10, 1980 |
May 1, 1981 signature
Sep 30, 2004 ratification
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| 21 . Agreement establishing the Common Fund for Commodities (27 June 1980) |
Jun 27, 1980 |
Sep 24, 1981 signature
Oct 7, 1982 ratification
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| Конвенция о ликвидации всех форм дискриминации в отношении женщин объединенных наций 1980 год от 18 декабря 1979 г. |
Dec 18, 1979 |
Sep 21, 1988 signature
Nov 11, 1988 ratification
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| International Convention Against the Taking of Hostages (17 December 1979) |
Dec 17, 1979 |
Sep 26, 2003 accession
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| Constitution of the United Nations Industrial Development Organization (8 April 1979) |
Apr 8, 1979 |
Aug 29, 1979 signature
Mar 7, 1983 ratification
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| Заключительный акт конференции Организации Объединенных Нация по морской перевозке грузов от 31 марта 1978 г. |
Mar 31, 1978 |
Aug 15, 1978 signature
Oct 7, 1988 ratification
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| Agreement establishing the International Fund for Agricultural Development от 13 июня 1976 г. |
Jun 13, 1976 |
Feb 15, 1977 signature
Oct 14, 1977 ratification
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| Single Convention on Narcotic Drugs, 1961, as amended by the Protocol amending the Single Convention on Narcotic Drugs, 1961 (8 August 1975) |
Aug 8, 1975 |
Jun 6, 1994 accession
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| Convention on a Code of Conduct for Liner Conferences (6 April 1974) |
Apr 6, 1974 |
Jul 9, 1979 accession
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| Convention on the Prevention and Punishment of Crimes against Internationally Protected Persons, including Diplomatic Agents (14 December 1973) |
Dec 14, 1973 |
Sep 26, 2003 accession
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| Convention on psychotropic substances (21 February 1971) |
Feb 21, 1971 |
Jun 6, 1994 accession
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| Факультативный протокол к международному пакту о гражданских и политических правах организация объединенных наций от 16 декабря 1966 г. |
Dec 16, 1966 |
Aug 23, 1996 accession
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| International Covenant on Civil and Political Rights (16 December 1966) |
Dec 16, 1966 |
Aug 23, 1996 accession
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| Международный пакт об экономических, социальных и культурных правах организация объецинениых наций от 16 декабря 1966 г. |
Dec 16, 1966 |
Aug 23, 1996 accession
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| International Convention on the Elimination of All Forms of Racial Discrimination (7 March 1966) |
Mar 7, 1966 |
Nov 17, 1966 signature
Aug 2, 1967 ratification
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| Agreement establishing the African Development Bank от 4 августа 1963 г. |
Aug 4, 1963 |
Aug 4, 1963 signature
Feb 18, 1964 ratification
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| Vienna Convention on Consular Relations (24 April 1963) |
Apr 24, 1963 |
May 9, 2016 accession
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| Convention on the Reduction of Statelessness (30 August 1961) |
Aug 30, 1961 |
May 9, 2016 accession
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| Vienna Convention on Diplomatic Relations (18 April 1961) |
Apr 18, 1961 |
Aug 13, 1962 accession
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| Convention on the Recognition and Enforcement of Foreign Arbitral Awards (10 June 1958) |
Jun 10, 1958 |
Oct 28, 2020 accession
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Reservation and declaration:
“1. In accordance with article 1 (3) of the Convention on the Recognition and Enforcement of Foreign Arbitral Awards, the Government of the Republic of Sierra Leone declares that it will apply the Convention on the Recognition and Enforcement of Foreign Arbitral Awards made only in the Territory of another Contracting State.
2. In accordance with article 1 (3) of the Convention on the Recognition and Enforcement of Foreign Arbitral Awards, the Government of the Republic of Sierra Leone declares that it will apply the Convention on differences arising out of legal relationships, whether contractual or not, which are considered commercial under the Laws of Sierra Leone.
3. The Convention on the Recognition and Enforcement of Foreign Arbitral Awards only applies in the Republic of Sierra Leone with respect to arbitration agreements concluded and arbitral awards rendered after the date of its accession to the Convention.”
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| Optional Protocol of Signature concerning the Compulsory Settlement of Disputes (29 April 1958) |
Apr 29, 1958 |
Feb 14, 1963 definitive signature
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| Convention on the Continental Shelf (29 April 1958) |
Apr 29, 1958 |
Nov 25, 1966 accession
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| Convention on Fishing and Conservation of the Living Resources of the High Seas (29 April 1958) |
Apr 29, 1958 |
Mar 13, 1962 succession
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| Convention on the High Seas (29 April 1958) |
Apr 29, 1958 |
Mar 13, 1962 succession
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| Convention on the Territorial Sea and the Contiguous Zone (29 April 1958) |
Apr 29, 1958 |
Mar 13, 1962 succession
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| 2 . Convention on the Nationality of Married Women (20 February 1957) |
Feb 20, 1957 |
Mar 13, 1962 succession
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| 4 . Supplementary Convention on the Abolition of Slavery, the Slave Trade, and Institutions and Practices Similar to Slavery (7 September 1956) |
Sep 7, 1956 |
Mar 13, 1962 succession
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| Convention relating to the Status of Stateless Persons (28 September 1954) |
Sep 28, 1954 |
May 9, 2016 accession
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| Slavery Convention, signed at Geneva on 25 September 1926 and amended by the Protocol (7 December 1953) |
Dec 7, 1953 |
Mar 13, 1962 succession
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| Convention on the International Right of Correction (31 March 1953) |
Mar 31, 1953 |
Jul 25, 1962 accession
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| Convention on the Political Rights of Women (31 March 1953) |
Mar 31, 1953 |
Jul 25, 1962 accession
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"In acceding to this Convention, the Government of Sierra Leone hereby declares that it does not consider itself bound by article III in so far as that article applies to recruitment to and conditions of service in the Armed Forces or to jury service."
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| Convention relating to the Status of Refugees (28 July 1951) |
Jul 28, 1951 |
May 22, 1981 accession
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"The Government of Sierra Leone wishes to state with regard to article 17 (2) that Sierra Leone does not consider itself bound to grant to refugees the rights stipulated therein.
Further, with regard to article 17 as a whole, the Government of Sierra Leone wishes to state that it considers the article to be a recommendation only and not a binding obligation.
The Government of Sierra Leone wishes to state that it does not consider itself bound by the provisions of article 29, and it reserves the right to impose special taxes on aliens as provided for in the Constitution."
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| Agreement on the Importation of Educational, Scientific and Cultural Materials (22 November 1950) |
Nov 22, 1950 |
Mar 13, 1962 succession
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| International Convention for the Suppression of the White Slave Traffic, signed at Paris on 4 May 1910, amended by the Protocol signed at Lake Success, New York, 4 May 1949 (4 May 1949) |
May 4, 1949 |
Mar 13, 1962 succession
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| Agreement for the Suppression of the Circulation of Obscene Publications, signed at Paris on 4 May 1910, amended by the Protocol signed at Lake Success, New York, 4 May 1949 от 4 мая 1949 г. |
May 4, 1949 |
Mar 13, 1962 succession
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| Protocol Bringing under International Control Drugs Outside the Scope of the Convention of 13 July 1931 for Limiting the Manufacture and Regulating the Distribution of Narcotic Drugs, as amended by the Protocol signed at Lake Success, New York, on 11 December 1946 (19 November 1948) |
Nov 19, 1948 |
Mar 13, 1962 succession
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| Convention on the International Maritime Organization (6 March 1948) |
Mar 6, 1948 |
Mar 14, 1973 acceptance
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| Convention for the Suppression of the Circulation of, and Traffic in, Obscene Publications, concluded at Geneva on 12 September 1923 and amended by the Protocol signed at Lake Success, New York, on 12 November 1947 (12 November 1947) |
Nov 12, 1947 |
Mar 13, 1962 succession
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| Протокол об изменении конвенции о борьбе с торговлей женщинами и детьми от 12 ноября 1947 г. |
Nov 12, 1947 |
Aug 13, 1962 definitive signature
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| Convention for Limiting the Manufacture and Regulating the Distribution of Narcotic Drugs (11 December 1946) |
Dec 11, 1946 |
Mar 13, 1962 succession
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| International Opium Convention (11 December 1946) |
Dec 11, 1946 |
Mar 13, 1962 succession
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| Constitution of the World Health Organization от 22 июля 1946 г. |
Jul 22, 1946 |
Oct 20, 1961 acceptance
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