Nia Griffith Elections won
Parliament Member page for Nia Griffith
Elections listed as contested and won are those forming part of any general election or by-election contested since since the 2010 general election. A person may have contested an election outside of this grouping.
| Election | Constituency | Election type | Party | Vote count | Vote share | Majority |
| 12 December 2019 | Llanelli | General election | Lab | 16,125 | 42.2% | 4,670 |
| 8 June 2017 | Llanelli | General election | Lab | 21,568 | 53.5% | 12,024 |
| 7 May 2015 | Llanelli | General election | Lab | 15,948 | 41.3% | 7,095 |
| 6 May 2010 | Llanelli | General election | Lab | 15,916 | 42.5% | 4,701 |
Maiden speech
Nia Griffith's maiden speech was made on 19 May 2005, as the member for Llanelli. The speech took place in the 1st session of the 54th Parliament.