Participation in the Nuclear Non-Proliferation Treaty.
  Recognized nuclear weapon state ratifiers
  Recognized nuclear weapon state acceders
  Other ratifiers
  Other acceders or succeeders
  Withdrawn
  Non-signatory 
  Unrecognized state, abiding by acceders
This file was derived from: NPT Participation.svg
File:NPT Participation.svg: Allstar86, L.tak, Danlaycock
derivative work: Danlaycock