It is currently held by Te Pāti Māori co-leader Rawiri Waititi, who won it in the 2020 and 2023 general elections.

The electorate includes the following population centres: In the 2013/14 redistribution, a minor boundary adjustment was undertaken.

A small area, including the village of Tuai, was transferred to Waiariki from the Ikaroa-Rāwhiti electorate.

Rihi Vercoe and Hamuera Mitchell of Mana Māori and the National Party came second and third, respectively.

[2] In the 2005 election, Ririnui was beaten by Te Ururoa Flavell of the Māori Party.

Yellow background denotes an electorate win by a list member, or other incumbent.

Yellow background denotes an electorate win by a list member, or other incumbent.

Yellow background denotes an electorate win by a list member, or other incumbent.

Yellow background denotes an electorate win by a list member, or other incumbent.

Yellow background denotes an electorate win by a list member, or other incumbent.

Yellow background denotes an electorate win by a list member, or other incumbent.