[2] King Tupou VI dissolved the Assembly on 25 August 2017 on the advice of its Speaker, Sialeʻataongo Tuʻivakanō, who claimed that Prime Minister ʻAkilisi Pohiva was attempting to claim powers held by the King and Privy Council within Cabinet.

[4] The election resulted in a victory for the DPFI, with ʻAkilisi Pōhiva remaining as Prime Minister.

[5] The Legislative Assembly of Tonga has up to 30 members, of which 17 are directly elected by first-past-the-post voting from single-member constituencies.

The island of Tongatapu has ten constituencies, Vavaʻu three, Haʻapai two and ʻEua and Niuatoputapu/Niuafoʻou one each.

[7] The Democratic Party of the Friendly Islands won 14 seats, enough to allow them to form a government without needing the support of nobles or independents.