Pseudopedia/List of political parties in the United Kingdom

Name		Emblem	Founded	Position	Ideology	Leader	House of Commons	House of Lords	Local government
	Conservative and Unionist Party		1834	Centre-right to right-wing	Conservatism Economic liberalism British unionism	Rishi Sunak	342 / 650	261 / 824	5,149 / 19,103
		A party loosely divided into three categories; the Thatcherites, who strongly support a free market with restrained government spending and tend to be Eurosceptic, the Cornerstone Group, who advocate for the preservation of established institutions and traditional principles, and the One Nation Conservatives.
	Labour Party Co-operative Party		1900 1917 (Co-op)	Centre-left	Social democracy Democratic socialism	Keir Starmer	205 / 650	168 / 824	6,561 / 19,103
		A social democratic party with democratic socialist elements that has its roots in the trade union movement. The party has several internal factions, which include: Momentum, Open Labour, Progressive Britain, Blue Labour, and the Labour members standing jointly with the Co-operative Party (as Labour and Co-operative).
	Scottish National Party		1934	Centre-left	Scottish nationalism Scottish independence Social democracy	John Swinney	43 / 650	0 / 824	427 / 19,103
		Scottish nationalist and social democratic party which supports Scottish independence and membership of the European Union or further devolution for Scotland.
	Liberal Democrats		1988	Centre to Centre-left	Liberalism Social liberalism	Ed Davey	15 / 650	84 / 824	3,095 / 19,103
		A liberal party; its main branches are social liberals based around groups such as "Social Liberal Forum", and the more centrist "Liberal Reform" grouping, which believes that economic liberalism should be emphasised more. There is also a social democratic faction and influence within the party.
	Democratic Unionist Party		1971	Right-wing	British unionism Social conservatism National conservatism Euroscepticism	Gavin Robinson (interim)	8 / 650	5 / 824	122 / 19,103
		British Unionist and socially conservative, national conservative political party in Northern Ireland.
	Sinn Féin		1905 (original) 1970 (current)	Centre-left to left-wing	Irish republicanism Democratic socialism Left-wing nationalism	Mary Lou McDonald	7 / 650	0 / 824	144 / 19,103
		Irish republican party dedicated to the reunification of Ireland and the creation of a new republic based on democratic socialist values.
	Plaid Cymru		1925	Centre-left to left-wing	Welsh nationalism Welsh independence Democratic socialism Social democracy	Rhun ap Iorwerth	3 / 650	1 / 824	205 / 19,103
		Democratic socialist, social democratic, Welsh nationalist party in favour of Welsh independence or further devolution for Wales.
	Social Democratic and Labour Party		1970	Centre-left	Social democracy Irish nationalism	Colum Eastwood	2 / 650	0 / 824	37 / 19,103
		Irish nationalist and social-democratic party supporting a United Ireland.
	Alba Party		2021	Centre-left to centre-right	Scottish nationalism Scottish independence	Alex Salmond	2 / 650	0 / 824	2 / 19,103
		A pro-Scottish independence and Scottish nationalist party founded in February 2021.
	Green Party of England and Wales		1990	Left-wing	Green politics Eco-socialism	Carla Denyer and Adrian Ramsay	1 / 650	2 / 824	812 / 19,103
		Green political party that favours environmentalism, progressivism and sustainability.
	Alliance Party of Northern Ireland		1970	Centre to centre-left	Liberalism Nonsectarianism	Naomi Long	1 / 650	0 / 824	67 / 19,103
		Liberal and nonsectarian political party in Northern Ireland.
	Reform UK		2018	Right-wing	Right-wing populism Euroscepticism	Richard Tice	1 / 650	0 / 824	9 / 19,103
		A right-wing populist and Eurosceptic party, led by businessman and former long-time Conservative Party donor and member, Richard Tice.
	Workers Party of Britain		2019	Left-wing to far-left	Socialism Social conservatism Euroscepticism	George Galloway	1 / 650	0 / 824	5 / 19,103
		A socialist, socially conservative and Eurosceptic party led by former Labour and Respect MP, George Galloway.