For the G20 in 2023, 21 members participated: 19 individual countries plus the European Union and, from September 2023, the African Union as a full member.

Quick Scoop

  • The G20 started as “19 countries + the European Union,” making 20 members.
  • At the New Delhi Leaders’ Summit in September 2023, the African Union was formally admitted as a permanent member.
  • From that point in 2023 onward, the G20 had 21 members in total (19 countries + EU + AU).

So if you are asking “how many countries participate in G20 2023,” the practical answer used for 2023 is usually “19 countries plus the European Union,” but officially by the end of the 2023 summit the forum counted 21 members including the EU and the African Union.

Information gathered from public forums or data available on the internet and portrayed here.