The data displays the 15 longest serving Members of Parliament (MPs) in the UK as of 3 May 2017, when Parliament was dissolved before the general election that year. Dennis Skinner and Kenneth Clarke, who belong to the Labour and Conservative parties respectively, are the longest serving MPs, each with 46.1 years of service. Margaret Beckett is the longest serving woman, with 37.9 years experience, followed by Harriet Harman with 33.9 years. The current Labour Party leader, Jeremy Corbyn is also in the ranking, having served as an MP for 33.
