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British left
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British left
The British left, or the Left in Britain, can refer to multiple concepts. It is sometimes used as shorthand for groups aligned with the Labour Party. It can also refer to other individuals, groups and political parties that have sought egalitarian changes in the economic, political, and cultural institutions of the United Kingdom. There are various sub-groups, split between reformist and revolutionary viewpoints. Progressives and social democrats believe that equality can be accommodated into existing capitalist structures, but they differ in their criticism of capitalism and on the extent of reform and the welfare state. Anarchists, communists, and socialists, among others on the far left, on the other hand argue for abolition of the capitalist system.
Leftism in the United Kingdom is thought to stretch back to the aftermath of the English Civil War in the 17th century, represented by groups such as the 'True Levellers' or Diggers. Chartism was one of the first post-civil war left-wing movements. Notions of socialism in Britain have taken many different forms from the utopian socialism and philanthropism of Robert Owen through to the reformist electoral project enshrined in the birth of the Labour Party. The Great Unrest of the pre-World War I years and the strikes of 1919 represented surges in left-wing activity. The Attlee ministry's establishment of the welfare-state is often considered a victory for the left. The New Left of 1968 represented another wave of activity. The miners' strike of 1984–85 saw the most recent large-scale working class movement; the anti-Poll Tax campaign of the late 1980s/early 1990s was also a significant left-wing social movement. The alter-globalisation and Occupy movements had a presence in Britain in the early-late 2000s, anti-austerity campaigns made up the bulk of the left's activity in the 2010s, and Black Lives Matter, pro-Palestine movements remain the largest movements of the 2020s.
The following is a list of figures significant for the British left.
The largest political party associated with the British left is the centre-left Labour Party with 309,000 members as of February 2025. This is also the biggest political party in the UK by membership levels. Labour has 412 seats in the House of Commons. The current Leader of the Labour Party is Keir Starmer, who was elected as the party's leader on 4 April 2020.
The second largest party on the British left is the left-wing Green Party of England and Wales, whose membership reached 65,000 in June 2025. Following the most recent general election the Greens have 4 MPs.
The third largest party on the British left, by membership, is the centre-left Scottish National Party (SNP), which had 58,940 members as of December 2024, despite only being active in Scotland. The SNP have 9 MPs.
The other three political parties on the left and with representation in parliament are the centre-left Social Democratic and Labour Party (SDLP) of Northern Ireland; the centre-left Plaid Cymru (who are only active in Wales) and Sinn Féin, also from Northern Ireland. Plaid has 4 MPs, the SDLP have 2 MPs, and Sinn Féin has 7 MPs, but the latter party does not sit in Westminster as it refuses to take the parliamentary Oath of Allegiance.
The biggest party on the political left in the United Kingdom in terms of members and representation is the Labour Party, which was founded as the Labour Representation Committee (LRC) in 1900. With the party's rebranding as New Labour in the 1990s under the leadership of Tony Blair, the party accepted a number of economic policies associated with the Right, causing it to be identified as centrist (Blair himself stated that his ministry would have governed from the political centre) rather than socialist, despite adding democratic socialism to the party's constitution, and was considered by fewer critics as being a party of the left; Blair described New Labour's ideology as Third Way, like Bill Clinton's Democratic Party in the United States. The Labour Party under Blair's leadership accepted many of the neoliberal economic policies enforced by the previous Conservative Party governments in the 1980s and 1990s, and continued in successive Conservative governments in the 2010s.
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British left
The British left, or the Left in Britain, can refer to multiple concepts. It is sometimes used as shorthand for groups aligned with the Labour Party. It can also refer to other individuals, groups and political parties that have sought egalitarian changes in the economic, political, and cultural institutions of the United Kingdom. There are various sub-groups, split between reformist and revolutionary viewpoints. Progressives and social democrats believe that equality can be accommodated into existing capitalist structures, but they differ in their criticism of capitalism and on the extent of reform and the welfare state. Anarchists, communists, and socialists, among others on the far left, on the other hand argue for abolition of the capitalist system.
Leftism in the United Kingdom is thought to stretch back to the aftermath of the English Civil War in the 17th century, represented by groups such as the 'True Levellers' or Diggers. Chartism was one of the first post-civil war left-wing movements. Notions of socialism in Britain have taken many different forms from the utopian socialism and philanthropism of Robert Owen through to the reformist electoral project enshrined in the birth of the Labour Party. The Great Unrest of the pre-World War I years and the strikes of 1919 represented surges in left-wing activity. The Attlee ministry's establishment of the welfare-state is often considered a victory for the left. The New Left of 1968 represented another wave of activity. The miners' strike of 1984–85 saw the most recent large-scale working class movement; the anti-Poll Tax campaign of the late 1980s/early 1990s was also a significant left-wing social movement. The alter-globalisation and Occupy movements had a presence in Britain in the early-late 2000s, anti-austerity campaigns made up the bulk of the left's activity in the 2010s, and Black Lives Matter, pro-Palestine movements remain the largest movements of the 2020s.
The following is a list of figures significant for the British left.
The largest political party associated with the British left is the centre-left Labour Party with 309,000 members as of February 2025. This is also the biggest political party in the UK by membership levels. Labour has 412 seats in the House of Commons. The current Leader of the Labour Party is Keir Starmer, who was elected as the party's leader on 4 April 2020.
The second largest party on the British left is the left-wing Green Party of England and Wales, whose membership reached 65,000 in June 2025. Following the most recent general election the Greens have 4 MPs.
The third largest party on the British left, by membership, is the centre-left Scottish National Party (SNP), which had 58,940 members as of December 2024, despite only being active in Scotland. The SNP have 9 MPs.
The other three political parties on the left and with representation in parliament are the centre-left Social Democratic and Labour Party (SDLP) of Northern Ireland; the centre-left Plaid Cymru (who are only active in Wales) and Sinn Féin, also from Northern Ireland. Plaid has 4 MPs, the SDLP have 2 MPs, and Sinn Féin has 7 MPs, but the latter party does not sit in Westminster as it refuses to take the parliamentary Oath of Allegiance.
The biggest party on the political left in the United Kingdom in terms of members and representation is the Labour Party, which was founded as the Labour Representation Committee (LRC) in 1900. With the party's rebranding as New Labour in the 1990s under the leadership of Tony Blair, the party accepted a number of economic policies associated with the Right, causing it to be identified as centrist (Blair himself stated that his ministry would have governed from the political centre) rather than socialist, despite adding democratic socialism to the party's constitution, and was considered by fewer critics as being a party of the left; Blair described New Labour's ideology as Third Way, like Bill Clinton's Democratic Party in the United States. The Labour Party under Blair's leadership accepted many of the neoliberal economic policies enforced by the previous Conservative Party governments in the 1980s and 1990s, and continued in successive Conservative governments in the 2010s.
