List of Senedd elections

This is a list of elections to the Senedd (Welsh Parliament; Welsh: Senedd Cymru; formerly the National Assembly for Wales until May 2020), the devolved legislature of Wales. These elections have been held regularly since its establishment in 1999. The elections were held every four years from 1999, but were increased to five years following the Wales Act 2014 for the 2016 election.

Senedd (2020–)

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The first election since the renaming of the devolved legislature as the Senedd was held on Thursday 6 May 2021.

National Assembly for Wales (1999–2020)

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By-elections and regional member changes

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