Here are the most recent election results for the Ynys Mon constituency.
Note: Smaller parties may be omitted. The candidate with the largest vote who does not belong to one of the main parties is listed as 'Minor'. Votes listed for 'Other' are calculated by taking the votes from the main parties and 'Minor' away from the total votes cast.
| Name | Ynys Mon | ||
| Region | North Wales | ||
| 1st in 2021 | Plaid Cymru | ||
| 2nd in 2021 | Conservative | ||
| Swing To Lose | 17.70% | ||
Note: 'Swing To Lose' is the swing needed by the 2nd placed party against the 1st placed party to win the seat.
| Election | Party | |
|---|---|---|
| Senedd Election 2021 | Plaid Cymru | |
| Senedd Election 2016 | Plaid Cymru | |
| Senedd Election 2011 | Plaid Cymru | |
View full Senedd Election 2021 results.
| Party | Votes | Percentage | Change | |
|---|---|---|---|---|
| Plaid Cymru | 15,506 | 55.91% | +1.12% | |
| Conservative | 5,689 | 20.51% | +8.97% | |
| Labour | 5,300 | 19.11% | +2.11% | |
| Reform UK | 692 | 2.50% | N/A | |
| Liberal Democrat | 547 | 1.97% | +0.65% | |
| Majority | 9,817 | 35.40% | - | |
| Turnout | 27,734 | 51.79% | +1.80% | |
| Electorate | 53,554 | - | - | |
| Swing from Plaid Cymru to Conservative | - | 3.93% | - | |
| Plaid Cymru hold | ||||
View full Senedd Election 2016 results.
| Party | Votes | Percentage | Change | |
|---|---|---|---|---|
| Plaid Cymru | 13,788 | 54.79% | +13.36% | |
| Labour | 4,278 | 17.00% | -9.21% | |
| UKIP | 3,212 | 12.76% | N/A | |
| Conservative | 2,904 | 11.54% | -17.68% | |
| Green | 389 | 1.55% | N/A | |
| Liberal Democrat | 334 | 1.33% | -1.83% | |
| Minor | 262 | 1.04% | N/A | |
| Majority | 9,510 | 37.79% | - | |
| Turnout | 25,167 | 49.99% | +1.30% | |
| Electorate | 50,345 | - | - | |
| Swing from Labour to Plaid Cymru | - | 11.29% | - | |
| Plaid Cymru hold | ||||
View full Senedd Election 2011 results.
| Party | Votes | Percentage | Change | |
|---|---|---|---|---|
| Plaid Cymru | 9,969 | 41.42% | N/A | |
| Conservative | 7,032 | 29.22% | N/A | |
| Labour | 6,307 | 26.21% | N/A | |
| Liberal Democrat | 759 | 3.15% | N/A | |
| Majority | 2,937 | 12.20% | - | |
| Turnout | 24,067 | 48.69% | N/A | |
| Electorate | 49,431 | - | - | |
| Swing | - | N/A | - | |
| Plaid Cymru win | ||||
