Member States - TITLE

Member States

There are currently 64 Member States and 37 Associate States and Economies.

The term "Member States" is a synonym for the official term, "States Parties to the Metre Convention".

The Republic of Costa Rica, which had been an Associate since 2004, became a Member State on 5 September 2022.

The Republic of Zimbabwe was reinstated as an Associate of the CGPM on 8 February 2022.

The Republic of Estonia, which had been an Associate since 2005, became a Member State on 19 January 2021.

The Kingdom of Cambodia became an Associate of the CGPM on 1 January 2021.

The Republic of Belarus, which had been an Associate since 2003, became a Member State on 13 January 2020.

Ecuador, which has been an Associate since 2000, became a Member State on 6 August 2019.

The Kingdom of Morocco became a Member State on 24 May 2019.