Nation · Senedd voting intention
Demo dataReform UK leads by 3.1%
Weighted average of the latest 6 polls · updated 03/19/2026 · Source: Election Data Vault
Election Data Vault daily average (03/19/2026): LAB 32.3REF 19.9PC 17.2CON 15.8GRN 6.8LD 6.2
Polling average
Demo data- Reform UK26.5% ▲ 2.0
- Plaid Cymru23.4% ▲ 5.0
- Labour17.4% ▼ 7.8
- Conservative12.6% ▼ 1.8
- Green10.3% ▲ 2.6
- Liberal Democrats7.3% ▼ 0.8
Trend · last 40 polls
Demo dataMore nation polling
Recent polls
Demo dataYouGov
N=1,082 · 03/12/2026–03/19/2026 · ±3
Demo data24%29%12%
YouGov
N=1,205 · 01/05/2026–01/12/2026 · ±2.8
Demo data25%29%13%
YouGov
N=2,500 · 11/28/2025–12/10/2025 · ±2
Demo data30%19%15%
YouGov
N=1,220 · 09/04/2025–09/10/2025 · ±2.8
Demo data29%23%18%
YouGov
N=1,248 · 04/23/2025–04/30/2025 · ±2.8
Demo data24%24%20%
Survation
N=844 · 03/10/2025–04/03/2025 · ±3.4
Demo data25%18%29%
Survation
N=2,006 · 10/18/2024–11/04/2024 · ±2.2
Demo data21%13%33%
YouGov
N=1,072 · 06/27/2024–07/01/2024 · ±3
Demo data16%14%40%
