Currently, how many countries are members of the Trans-Pacific Partnership (TPP) agreement?

12
The Trans-Pacific Partnership (TPP) is a multinational trade agreement among twelve Pacific Rim countries viz. Australia, Brunei Darussalam, Canada, Chile, Japan, Malaysia, Mexico, New Zealand, Peru, Singapore, Vietnam, and the United States. The agreement entered into force after it was signed by 12 countries on 4 February 2016 in Auckland, New Zealand.