Senedd Projection
Input your expected vote shares for all parties to see how many seats they could win. This creates a complete constituency level projection.
Just make sure they sum to 100%
Polling Trends
The chart below shows polling trends for major Welsh political parties over time. It begins after the new one ballot electoral system was confirmed in May 2024. Data is sourced from various polling companies and election results. Hover over data points to see more information about each poll.