Country Profile: Sierra Leone


The Republic of Sierra Leone is located on the coast of West Africa between Liberia and Guinea. Sierra Leone is a presidential representative democracy that gained its independence in 1961.

Capital: Freetown

There are no nuclear research reactors or power plants in Sierra Leone.


  • Member of the Non-Aligned Movement (NAM) since 1964
  • Member of the International Atomic Energy Agency (IAEA) since 1967
  • Acceded to 1925 Geneva Protocol in 1967
  • Signed Anti-Personnel Mine Ban Convention in 1998
    • Ratified in 2001
  • Signed Arms Trade Treaty in 2013
    • Ratified in 2014
  • Signed the Biological Weapons Convention (BWC) in 1972
    • Ratified in 1976
  • Signed the Chemical Weapons Convention (CWC) in 1993
    • Ratified in 2004
  • Signed the Comprehensive Nuclear Test-Ban Treaty (CTBT) 2000
    • Ratified in 2001
  • Signed Convention on Certain Conventional Weapons in 1981
    • Ratified in 2004
  • Signed and ratified Convention on Cluster Munitions in 2008
  • Signed Convention on Environmental Modification Techniques (ENMOD) in 1978
  • Signed and ratified Outer Space Treaty in 1967
  • Signed Partial Test Ban Treaty in 1963
    • Ratified in 1964
  • Signed Sea-bed Treaty in 1971
  • Signed the International Convention on the Suppression of Acts of Nuclear Terrorism (ICSANT) in 2005
  • Signed the Treaty of Pelindaba in 1996
  • Acceded to the Treaty on the Nonproliferation of Nuclear Weapons (NPT) in 1975


  • Member of the G-77
  • Member of the African Group
  • Member of the African Union
  • Member of the Organization of Islamic Cooperation (OIC)



Sierra Leone Ministry of Foreign Affairs and International Cooperation

UN State Summary

Ratification of Treaties & Membership in International Organizations Related to Disarmament