Article · Wikipedia archive · Last revised Jul 22, 2026

List of Senedd elections

This is a list of elections to the Senedd, the devolved legislature of Wales. These elections have been held regularly since its establishment in 1999. The elections are held every four years since 2026 following the Senedd Cymru Act 2024, and every four years between 1999 and 2016. It was held every five years between 2016 and 2026 following the Wales Act 2014.

Last revised
Jul 22, 2026
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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 are held every four years since 2026 following the Senedd Cymru (Members and Elections) Act 2024, and every four years between 1999 and 2016. It was held every five years between 2016 and 2026 following the Wales Act 2014.

Elections

Senedd (2020–present)

National Assembly for Wales (1999–2020)

By-elections and regional member changes