Kiribati is a republic with a unitary state structure and a "directly elected prime ministerial" form of government. The head of state, the president is also head of government ("prime minister") is politically responsible to the legislature, but elected directly by the citiens from candidates put forward by parliament.
The unicameral parliament is directly elected at least every four years.
From the 45 members of parliament 44 are elected directly, 23 members from multi-member constituencies (2-3 representatives per district) via two-round plurality bloc voting (with a majority requirement only in the first round) and 7 members from single-member constituencies via classic two-round voting (top2 runoff).
This is the description of the electoral system of Kiribati as of 12.10.2026 on Electoral Knowledgebase. Sources and further information on this topic: