On December 15, 2024, the United Kingdom became the first European nation to join the Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP), officially becoming the trade bloc's 12th member.

Indonesia has officially applied to become a member of the Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP) to boost its export growth.

Thailand’s cabinet has agreed to set up a committee to consider whether the country should sign up to the Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP), amid widespread concerns about its harmful effects on the agriculture industry.

Thailand’s cabinet did not consider on April 28 whether the country would seek membership of the Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP) due to widespread opposition.

Chief negotiators from the 11 signatories of the Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP) agreed on July 19 to start accession talks with potential newcomers in 2019, after the trade pact takes effect.