British Left left-wing party in the UK, by membership, is the Green Party of England and Wales. , membership was 45,643. The party has one Member of Parliament, Caroline Lucas, who was a Co-Leader of the Green Party of England & Wales; and was first elected as the MP for Brighton Pavilion at the 2010 general election. The other two political parties on the left and with representation in parliament are the centre-left Scottish National Party (SNP) and the left-wing Plaid Cymru. The SNP are only active in Scotland and Plaid are only active in Wales. The SNP has 35 MPs and
Brighton Kemptown (UK Parliament constituency) Greens did not field a candidate in 2017 in a tactical effort to assist the Labour Party unseat the sitting Conservative MP, Simon Kirby, who had held the seat for Conservatives in 2015 on a reduced majority; this worked, as Labour's Lloyd Russell-Moyle won the seat with a majority of 9,868 votes (20.0%), the largest Labour has ever held in Brighton Kemptown. The 2015 general election result had made the seat the tenth-most marginal majority of the Conservative Party's 331 seats by percentage of majority. Brighton Kemptown (UK Parliament constituency) Brighton Kemptown is a constituency created in 1950 in the