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Plaid Cymru Poised for Victory in Upcoming Senedd Election

3/25/2026

41 8 Full Breakdown

Summary

Story summary

A YouGov poll projects Plaid Cymru to become the largest party, with 43 of 96 seats ahead of the May 7, 2026 Senedd election.
Labour's support has fallen to 13%, a historic decline.
Reform UK is forecast to win 30 seats with 27% of the vote.
The Greens may gain 10 seats at 12%.
Conservatives are expected to retain one seat and Liberal Democrats may win none.

History

Historical Context

The establishment of the National Assembly for Wales in 1999 followed a narrow referendum victory in 1997, reflecting a growing demand for Welsh self-governance. Plaid Cymru, the principal Welsh nationalist party, gained significant ground, winning 17 seats and challenging Labour's dominance, which had declined to 28 seats. This shift marked a pivotal moment in Welsh politics, reshaping party dynamics and regional identity.

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Story summary

A YouGov poll projects Plaid Cymru to become the largest party, with 43 of 96 seats ahead of the May 7, 2026 Senedd election.
Labour's support has fallen to 13%, a historic decline.
Reform UK is forecast to win 30 seats with 27% of the vote.
The Greens may gain 10 seats at 12%.
Conservatives are expected to retain one seat and Liberal Democrats may win none.

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