The following list shows all historical leaders of Tonga starting with the most recent. The definition of leader differs across countries, usually referring to a head of state or head of government. This list shows the person who is publicly recognized as the leader, i.e., the person representing the country internationally and being in charge of running the day-to-day domestic political agenda.
In case the country has seen one or multiple political transformations over time, former governance structures are also listed below.
Tonga
Prime Minister
Since Jan 22nd, 2025
Tonga
Acting Prime Minister
Dec 9th, 2024 to Jan 22nd, 2025
Tonga
Prime Minister
Dec 27th, 2021 to Dec 9th, 2024
Tonga
Prime Minister
Oct 8th, 2019 to Dec 27th, 2021
Tonga
Acting Prime Minister
Sep 12th, 2019 to Oct 8th, 2019
Tonga
Prime Minister
Dec 30th, 2014 to Sep 12th, 2019
Tonga
Prime Minister
Dec 22nd, 2010 to Dec 30th, 2014
Tonga
Prime Minister
Aug 1st, 2008 to Dec 22nd, 2010
Tonga
King
Sep 11th, 2006 to Aug 1st, 2008
Tonga
King
Dec 16th, 1965 to Sep 10th, 2006
Tonga
King
Apr 5th, 1918 to Dec 16th, 1965
Tonga
King
Feb 18th, 1893 to Apr 5th, 1918
