21 countries have ratified the Kigali Amendment, allowing the treaty to enter into force on January 2019

On November 17, 2017, Sweden and Trinidad and Tobago became the 20th and 21st countries to ratify the Kigali Amendment, ensuring that the global HFC phase down will come into force on 1 January 2019.

On November 17, 2017, 21 countries had ratified the Kigali Amendment. They are presented below in chronological order:


  • Mali (March 31)
  • Federated States of Micronesia (May 12)
  • Marshall Islands (May 15)
  • Rwanda (May 23)
  • Palau (August 28)
  • Norway (September 6)
  • Chile (September 19)
  • Democratic People's Republic of Korea (September 21)
  • Tuvalu (September 21)
  • Australia (October 27)
  • Canada (November 3)
  • Maldives (November 13)
  • Finland (November 14)
  • Germany (November 14)
  • United Kingdom of Great Britain and Northern Ireland (November 14)
  • Comoros (November 16)
  • Lao People's Democratic Republic (November 16)
  • Luxembourg (November 16)
  • Slovakia (November 16)
  • Sweden (November 17)
  • Trinidad and Tobago (November 17)

Vincent Baruta, Rwanda's environment minister and president of the historic 28th meeting of the Montreal Protocol, tweeted last Friday: “We did it! With Sweden ratifying today, the Kigali Amendment has reached the 20 country threshold needed to enter into force. Thank you to everyone who made this historic moment possible.”

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