List of monarchs of Tonga

This is a list of monarchs of Tonga since 1845, after the Constitution of Tonga established the role of the monarch. The first constitutional monarch of Tonga was George Tupou I.

King of Tonga
Coat of arms of Tonga
Incumbent
Tupou VI since 18 March 2012
Details
Style	His Majesty
Heir apparent	Tupoutoʻa ʻUlukalala
First monarch	George Tupou I
Formation	4 December 1845; 179 years ago (1845-12-04)
Residence	Royal Palace, Nukuʻalofa

2008 cession of powers

Three days before his coronation on 1 August 2008, George Tupou V announced that he would relinquish most of his powers and be guided by the Prime Minister of Tonga's recommendations on most matters.^[1]

King of Tonga

Name	Lifespan	Reign start	Reign end	Notes	Family	Image
George Tupou I	(1797-12-04)4 December 1797 – 18 February 1893(1893-02-18) (aged 95)	4 December 1845	18 February 1893	Son of Tupoutoʻa, 17th Tuʻi Kanokupolu	Tupou
George Tupou II	(1874-06-18)18 June 1874 – 5 April 1918(1918-04-05) (aged 43)	18 February 1893	5 April 1918	Double Great-grandson of George Tupou I	Tupou
Sālote Tupou III	(1900-03-13)13 March 1900 – 16 December 1965(1965-12-16) (aged 65)	5 April 1918	16 December 1965	Daughter of George Tupou II	Tupou
Tāufaʻāhau Tupou IV	(1918-07-04)4 July 1918 – 10 September 2006(2006-09-10) (aged 88)	16 December 1965	10 September 2006	Son of Sālote Tupou III	Tupou
George Tupou V	(1948-05-04)4 May 1948 – 18 March 2012(2012-03-18) (aged 63)	11 September 2006	18 March 2012	Son of Tāufaʻahau Tupou IV	Tupou
Tupou VI	(1959-07-12) 12 July 1959 (age 66)	18 March 2012	Incumbent	Son of Tāufaʻāhau Tupou IV Brother of George Tupou V	Tupou

Timeline

Royal standards

• 
  Royal standard of Tonga (1862–1875)
• 
  Royal standard of Tonga