By-elections are held for the Parliament of Nauru to fill vacancies that occur between general elections.
[7] A writ was issued by the acting speaker of Parliament on 20 April 1972 to fill a vacancy in the Yaren Constituency.
[9] A writ was issued by the speaker of Parliament on 20 July 1976 to fill a vacancy in the Yaren Constituency.
[11] A by-election was triggered in the Aiwo Constituency when Speaker Edwin Tsitsi resigned as MP in December 1976.
[18] A writ was issued by the speaker of Parliament on 7 March 1977 to fill a vacancy in the Aiwo Constituency.
[19] MP René Harris lost his seat due to being convicted by a court of assault.
[28] MP René Harris resigned and ran in the resulting by-election as a way to test whether the voters of his constituency supported him.
[31] A writ was issued by the new speaker of Parliament, Reuben Kun, on 18 September 1981 to fill a vacancy in the Anabar Constituency.
[37] A writ was issued by the speaker of Parliament on 23 July 1984 to fill a vacancy in the Meneng Constituency.
[42] A writ was issued by the speaker of Parliament on 28 January 1991 to fill a vacancy in the Boe Constituency.
[45] A writ was issued by the speaker of Parliament on 27 July 1992 to fill a vacancy in the Boe Constituency.
[49] A writ was issued by the speaker of Parliament on 28 June 1996 to fill a vacancy in the Buada Constituency.
[52] A writ was issued by the speaker of Parliament on 2 September 1996 to fill a vacancy in the Anetan Constituency.
[55] As a result, a writ was issued by the speaker of Parliament on 22 January 1998 to fill a vacancy in the following constituencies: Boe, Buada, Meneng, Ubenide, and Yaren.
[2] MP Jaden Dogireiy's court conviction and subsequent disqualification from parliament triggered a by-election.
[67] Due to how close the results between candidates Ludwig Scotty and Pyon Deiye were, a recount was triggered.