Country Profile: Antigua and Barbuda


Antigua and Barbuda is an island state in the Caribbean Sea, whose name is derived from its two largest inhabited islands. Antigua and Barbuda gained its independence in 1981, and today is a constitutional monarchy with a parliamentary democracy.

Capital: Saint John’s

Antigua and Barbuda does not possess any nuclear power plants, research reactors, or other nuclear facilities.


  • Joined the Non-Aligned Movement (NAM) in 2006
  • Acceded to the Nonproliferation Treaty (NPT) in 1985
  • Succeeded to the 1925 Geneva Protocol in 1988
  • Acceded to the Chemical Weapons Convention (CWC) in 2005
  • Acceded to the Biological Weapons Convention (BWC) in 2003
  • Signed Comprehensive Nuclear-Test Ban Treaty (CTBT) in 1997
    • Ratified in 2006
  • Succeeded to the Outer Space Treaty in 1988
  • Succeeded to the Partial Test Ban Treaty in 1989
  • Succeeded to the Sea-bed Treaty in 1989
  • Signed the to the Treaty of Tlatelolco in 1983
    • Ratified in 1983
  • Succeeded to the Convention on Environmental Modification Techniques (ENMOD) in 1988
  • Signed the Inter-American Convention on Firearms in 1997
    • Ratified in 2003
  • Signed the Anti-Personnel Mine Ban Convention in 1997
    • Ratified in 1999
  • Acceded to the Convention on Certain Conventional Weapons in 2010
  • Signed the Convention on Cluster Munitions in 2010
    • Ratified in 2010
  • Signed the Arms Trade Treaty (ATT) in 2013
    • Ratified in 2013
  • Acceded to the Convention on the Physical protection of Nuclear Material (CPPNM) in 1993
  • Acceded to the International Convention for the Suppression of Acts of Nuclear Terrorism (ICSANT) in 2009
  • Signed the Treaty on the Prohibition of Nuclear Weapons (TPNW) in 2018
    •  Ratified in 2019


  • Member of the Latin American and the Caribbean Group (GRULAC)
  • Member of the G-77
  • Member of the Organization for American States (OAS)
  • Member of the Organization for the Prohibition of Nuclear Weapons in Latin America and the Caribbean (OPANAL)
  • Member of the Caribbean Community (CARICOM)



  • Chairperson for the Group of 77 in 2008
  • President for the 68th General Assembly of the United Nations (UNGA) in 2013



UN State Summary

Ratification of Treaties & Membership in International Organizations Related to Disarmament