Edexcel A-Level Politics 9PL0 · Paper 1 UK Politics · Content area 4 of 6

4. Political parties

4.1 functions and features of parties · 4.2 the established parties · 4.3 emerging and minor parties · 4.4 party systems and party funding.

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4.1 Functions and features of political parties Done

Essential What parties are for: the five jobs they do for democracy - representation, participation, recruitment, policy formation and forming a government - and the live debate about how well they still do each one.

The specification

4.1The functions and features of political parties

A political party is an organised group that seeks to win power and put its programme into effect. I can do this

The five core functions are representation, participation, political recruitment, policy formation and government. I can do this

The winning party claims a mandate to carry out the manifesto it put before voters. I can do this

Wording above follows the Pearson specification. Tick a line only when you could answer on it without notes.

Past questions - how it has been examined

Directly: 2024 Q1a (the policies and ideas of a party, source) turns on how well a party performs the representation and policy functions.
As the framing: 2026 Q1b (the dominance of the Labour Party, source) tests the recruitment and government functions through the record of one party in office.

Pattern. Functions are rarely a standalone essay, but they are the toolkit for every parties question. Learn the five jobs and one test for each.

What examiners reward and penalise

Stronger answers judge each function against a clear test - does the party still do this well - rather than listing the functions in turn.
Weaker answers define the functions and stop there, scoring AO1 but very little AO2, with no sense that any function is contested.

One way to get high marks

Credited: the functions cut both ways - parties still supply every Prime Minister, but their grip on representation has weakened as the two-party vote share has fallen.
Rewarded evidence: the two main parties' combined 2024 vote share of around 57%, the lowest in modern history; every PM since 1945 drawn from the two main parties; the Official Opposition's Short money and opposition days.
Level 5 over Level 4: reaches a verdict on whether parties still perform their functions well, instead of describing each function as if it were healthy.

The 30-mark questions. Marks split 10/10/10 across AO1 (knowledge), AO2 (analysis) and AO3 (evaluation), so an answer that describes without judging throws away a third of the marks. Examiners reward a clear and consistent line of argument: decide your view before you write, argue it in every paragraph, weigh the counter-argument as you go, and reach a substantiated judgement. A one-sided essay is capped at Level 2 however much it knows, and you should structure by theme rather than as a list of examples. On the Question 1 source question you must use the source - compare the two opposing views it contains and judge between them; ignoring the source caps the answer.

Open any past question linked above to read its full mark scheme and examiner report in the Question Bank.

Arguments and counter-arguments

Do political parties still perform their core functions effectively?

Yes

Point. Parties still supply the entire system of government. Explanation. Government, the Official Opposition and the careers of every senior politician all run through the parties. Example. Every Prime Minister since 1945 has come from the two main parties, and the second party becomes the official Opposition with Short money and opposition days. Evaluation. However, the rapid leadership churn of 2016 to 2024 shows the recruitment function can produce instability as well as continuity.
Point. Parties still formulate the policy that defines the mandate. Explanation. Manifestos bundle hundreds of choices into a programme that voters can accept or reject. Example. A winning party claims a mandate to enact its manifesto, which gives the government a clear democratic basis for its programme. Evaluation. Yet the EU referendum was forced onto the agenda from outside the main parties, which shows policy can come from elsewhere.

No

Point. The representation function has weakened. Explanation. Fewer voters identify with the two main parties, so the parties represent a smaller share of the public than they once did. Example. The two main parties' combined vote share fell to around 57% in 2024, the lowest in modern history, with a third of votes going elsewhere. Evaluation. This is a real decline, though the two parties still won the overwhelming majority of seats.
Point. The participation function has thinned. Explanation. Membership is small and unrepresentative, yet members hold real power over leaders. Example. Conservative members chose Truss over Sunak in 2022 despite MPs preferring Sunak, handing a small selectorate the power to pick a Prime Minister. Evaluation. This shows the participation function can deliver outcomes that the wider party and public reject.

Best judgement. Parties still perform the government and recruitment functions, because they supply every administration and the Official Opposition, but their representation and participation functions have weakened as the two-party vote has fallen and small memberships hold outsized power.

Using it in essays

30-mark: use the functions as the toolkit inside any parties question (2024 Q1a).
Topic sentence: "Parties still supply government and recruit the political class, but their representation and participation functions have visibly weakened."
Final judgement: the government and recruitment functions hold; representation and participation have thinned.

Practise this on PantherParties walk-through Parties notes

Wider context

Helpful context (background, not a spec requirement)

A clean test for any function is to ask whether parties still do it better than any rival institution could. They still supply government and the Opposition where nothing else can, but other channels now compete on representation and agenda-setting.

Examination priority

Important Learn the five functions with one test each. They are the toolkit that powers every other parties essay.

4.2 The established parties Done

Essential The Conservatives, Labour and Liberal Democrats: their traditions, their internal factions and the divisions that the board keeps testing, current to 2025.

The specification

4.2Established political parties: their origins, ideas and policies

The Conservatives carry two main traditions: One Nation paternalism and the Thatcherite New Right. I can do this

Labour's standing division is Old Labour social democracy against New Labour and the Third Way. I can do this

The Liberal Democrats, formed by the 1988 merger, carry classical and modern liberal traditions. I can do this

Wording above follows the Pearson specification. Tick a line only when you could answer on it without notes.

Past questions - how it has been examined

Directly: 2025 Q2a (Labour is more internally divided than the Conservatives) is the standing established-parties essay.
Related: 2024 Q1a (the policies and ideas of a party, source) tests the traditions and policies of one established party directly.

Pattern. The internal-divisions question recurs. Take each party on its own terms and compare, rather than writing one undifferentiated bag of divisions.

What examiners reward and penalise

Stronger answers separate the two parties' divisions, because Conservative splits are ideological while Labour splits are factional, and then compare them on depth and consequence.
Weaker answers lump the parties together as if their divisions were the same kind of thing, which the 2024 examiner report warns against directly.

One way to get high marks

Credited: the two parties divide in different ways - Conservative splits run on Europe, immigration and the size of the state; Labour splits run hard left against soft left against the right.
Rewarded evidence: five Conservative Prime Ministers between 2016 and 2024; the defection wave to Reform UK from 2024; Labour's Corbyn-era splits and Starmer's centralising discipline into 2024.
Level 5: reaches a verdict on which party is more divided and sustains it, weighing depth of division against electoral consequence.

Open any past question linked above to read its full mark scheme and examiner report in the Question Bank.

Arguments and counter-arguments

Is the Labour Party more internally divided than the Conservative Party?

Yes

Point. Labour's divisions are institutionalised by its structure. Explanation. The annual conference, the National Executive Committee and the trade union link give factions formal arenas to fight in. Example. The Corbyn era saw two leadership contests, a parliamentary no-confidence vote the leader survived through the membership, and a breakaway of MPs in 2019. Evaluation. However, Starmer then imposed tight discipline, which suggests the divisions are manageable rather than permanent.
Point. Labour's left-right split is long-running and ideological. Explanation. The gap between the social-democratic left and the Third Way right has divided the party for decades. Example. The standing Old Labour against New Labour divide was tested directly by the 2025 paper. Evaluation. Yet the split rarely produces policy gridlock once a leader is in office, unlike the Conservative case.

No

Point. Conservative divisions were the deepest in modern times. Explanation. The party split repeatedly over Europe and leadership, producing chronic instability in office. Example. The Conservatives produced five Prime Ministers between 2016 and 2024, three of them removed by their own party. Evaluation. This is a powerful counter, because leadership turnover on that scale is the clearest evidence of deep division.
Point. The Conservatives have lost MPs to a rival party. Explanation. A party that bleeds sitting MPs to a competitor is dividing in the most damaging way. Example. A wave of Conservative MPs defected to Reform UK from 2024, draining the party's populist right. Evaluation. This shows Conservative division spilling outside the party in a way Labour's has not since 2019.

Best judgement. The Conservatives were the more deeply divided party across 2016 to 2024, because five Prime Ministers and defections to Reform UK show division producing instability and loss; Labour's divisions are real and long-running but were contained by Starmer's discipline.

Using it in essays

30-mark: the internal-divisions comparison (2025 Q2a).
Topic sentence: "Both parties are factional, but Conservative divisions over Europe and Reform UK ran deeper and cost more than Labour's managed left-right split."
Final judgement: the Conservatives were the more divided party, on the evidence of leadership churn and defections.

Practise this on PantherMajor party divisions notes Divisions paragraphs

Wider context

Helpful context (background, not a spec requirement)

The reliable comparison is by kind, not just degree: Conservative divisions are ideological and strategic and produce leadership turnover; Labour divisions are factional and personality-based and produce visible argument that a leader can usually contain.

Examination priority

Important Hold each party's traditions and factions separately, and have a clear line on which is more divided and why.

4.3 Emerging and minor parties Done

Important The SNP, Reform UK, the Greens and Plaid Cymru: what they have achieved, the agenda-setting and devolved breakthroughs they have made, and the way First Past the Post still suppresses their seat count.

The specification

4.3Emerging and minor UK political parties

Minor parties win a smaller share of the vote and, under FPTP, far fewer seats than that share implies. I can do this

Their main route to influence is agenda-setting and breakthroughs in devolved chambers elected by proportional systems. I can do this

FPTP under-rewards parties whose support is spread thinly across the country. I can do this

Wording above follows the Pearson specification. Tick a line only when you could answer on it without notes.

Past questions - how it has been examined

Directly: 2019 Q2b (the only parties that matter are the two main ones) is the standing minor-parties essay.
Related: Sample Q1b (the major parties still dominate, source) tests the same minor-party significance debate from the dominance angle.

Pattern. The board keeps asking whether minor parties matter or whether the big two still dominate. Prepare a judgement that turns on where the electoral rules let minor parties succeed.

What examiners reward and penalise

Stronger answers judge minor-party significance by where the rules allow it - devolved chambers, referendums, agenda-setting - rather than counting Westminster seats alone.
Weaker answers equate significance with seats and so conclude the minor parties do not matter, missing their effect on the agenda and in the devolved bodies.

One way to get high marks

Credited: significance has grown most where the rules permit it - PR-elected devolved chambers, referendums and the agenda of the big two - and least where FPTP suppresses it, the Commons seat count.
Rewarded evidence: the SNP forming the Scottish Government; Reform UK winning around 14% of the vote for 5 seats in 2024; the Greens reaching 4 seats in 2024; UKIP's one seat on 12.6% in 2015 yet forcing the EU referendum onto the agenda.
Level 5: reaches a balanced verdict on whether minor parties now matter, distinguishing the seat count from genuine influence.

Open any past question linked above to read its full mark scheme and examiner report in the Question Bank.

Arguments and counter-arguments

Are minor parties now significant in UK politics?

Yes

Point. Minor parties set the agenda that the big two then follow. Explanation. A party with few seats can still force its issue to the centre of national debate. Example. UKIP won just one seat on 12.6% in 2015 yet pushed the EU referendum onto the agenda, and Reform UK has dragged Conservative policy rightwards on immigration. Evaluation. This is real influence, though it depends on the big parties choosing to respond.
Point. They govern and break through where the rules allow. Explanation. Proportional systems in the devolved chambers let minor parties win power that FPTP denies them at Westminster. Example. The SNP formed the Scottish Government and ran it for years, and the Greens have held ministerial office in Scotland. Evaluation. This shows minor parties can govern, but mainly outside Westminster.

No

Point. FPTP keeps minor parties out of the Commons. Explanation. The system rewards concentrated support and punishes support spread thinly across the country. Example. Reform UK won around 14% of the vote in 2024 but only 5 seats, while the more concentrated Liberal Democrats turned a similar vote share into far more seats. Evaluation. This is the core limit, because vote share does not convert into power at Westminster.
Point. Government still forms from the two main parties. Explanation. Whatever minor parties achieve, the choice of government remains a Labour-or-Conservative question. Example. No minor party has formed a UK government since 1922, and the 2010 to 2015 coalition is the only postwar episode of minor-party office at Westminster. Evaluation. This shows the ceiling on minor-party significance at national level remains low.

Best judgement. Minor parties are now significant in agenda-setting and in the devolved chambers, where proportional rules let them govern, but their Westminster significance stays limited because FPTP converts even large vote shares into very few seats.

Using it in essays

30-mark: minor-party significance and two-party dominance questions (2019 Q2b, Sample Q1b).
Topic sentence: "Minor parties matter most where the electoral rules let them - the devolved chambers and the national agenda - and least at Westminster, where FPTP suppresses their seats."
Final judgement: significant in agenda and devolved power, contained at Westminster by FPTP.

Practise this on PantherParties notes Parties quiz

Wider context

Helpful context (background, not a spec requirement)

A useful frame is to sort each minor-party achievement by the rules that allowed it: PR in the devolved chambers, the direct vote in a referendum, or pressure on the agenda. That sorts genuine influence from the seat count FPTP holds down.

Examination priority

Important Hold one record and one limit for each of the SNP, Reform UK and the Greens, and learn the FPTP point that explains the gap between votes and seats.

4.4 Party systems and party funding Done

Essential Two of the most-set debates in the area: whether the UK is now a two-party or a multi-party system, and whether party funding should be reformed, including the case for and against state funding.

The specification

4.4UK party systems and the funding of political parties

A two-party system means two parties realistically compete to form a government on their own. I can do this

Party funding comes from membership fees, large private donations, and limited public support such as Short money. I can do this

PPERA 2000 caps campaign spending, requires donations to be declared and created the Electoral Commission. I can do this

Wording above follows the Pearson specification. Tick a line only when you could answer on it without notes.

Past questions - how it has been examined

Directly: 2023 Q2b (the funding of political parties should be reformed) and 2023 mock Q1a (the UK does not have a two-party system, source).
Related: 2022 Q1a (pick-and-mix politics, source) and 2020 Q1b (state funding of political parties, source) both turn on the funding and party-system debates.

Pattern. The funding-reform question and the party-system question both recur. Prepare a clear line on each: reform funding within limits, and call the UK functionally multi-party masked by a two-party seat distribution.

What examiners reward and penalise

Stronger answers separate votes from seats on the party-system question - the 2024 vote was the most multi-party in modern history but the seats stayed firmly two-party.
Weaker answers treat state funding as the only reform on offer, missing transparency and donation caps, which are the easier wins.

One way to get high marks

Credited: on funding, reform cuts both ways - transparency and caps are cheap improvements, but full state funding raises costs and complacency of its own.
Rewarded evidence: the 2024 result (Labour 411 seats on 33.7%, Conservatives 121, with Labour and the Conservatives holding 532 of 650 seats); PPERA 2000 and the Electoral Commission; Short money for the Opposition.
Level 5: reaches a verdict on the party system and on funding reform, and sustains each one rather than listing arguments.

Open any past question linked above to read its full mark scheme and examiner report in the Question Bank.

Arguments and counter-arguments

Should the funding of UK political parties be reformed?

Yes

Point. The current system lacks transparency. Explanation. Voters often cannot see who is funding a party until after they have voted. Example. Full donation sources are typically revealed only after an election, so the public votes without knowing who financed the campaign. Evaluation. Pre-election transparency would be a clear improvement and is hard to argue against.
Point. Large donations invite the appearance of influence. Explanation. When big donors gain access or honours, the link between giving and reward damages trust. Example. The 2023 mark scheme describes the correlation between large donations and personal benefits, which is why a donation cap is proposed. Evaluation. A cap would tackle this directly, though defining the limit is contested.

No

Point. PPERA 2000 already provides safeguards. Explanation. The existing law caps campaign spending, requires donations to be declared and is overseen by the Electoral Commission. Example. PPERA created the Electoral Commission and the declaration regime, so the framework for transparency already exists. Evaluation. This weakens the case for radical change, though it does not address pre-election disclosure.
Point. State funding carries costs of its own. Explanation. Funding parties from taxes means spending elsewhere is cut and a body must decide who gets what. Example. A state-funding scheme would need a framework to allocate money between parties, which is itself open to dispute. Evaluation. This shows state funding is not a clean fix, so reform should be cautious rather than wholesale.

Best judgement. Funding should be reformed, but through pre-election transparency and a donation cap rather than full state funding, because those measures tackle the real problems while state funding raises costs and the risk of complacency.

Using it in essays

30-mark: funding-reform and party-system questions (2023 Q2b, 2023 mock Q1a).
Topic sentence: "Party funding should be reformed through transparency and caps, but the case for full state funding is weaker than it first appears."
Final judgement: reform within limits; the UK remains functionally multi-party in votes but two-party in seats.

Practise this on PantherParties walk-through Parties notes

Wider context

Helpful context (background, not a spec requirement)

On the party-system debate the sharpest move is to split votes from seats: the 2024 election was the most multi-party vote in modern history, yet First Past the Post turned it into a single-party landslide, so the label depends on which you count.

Examination priority

Important Both debates are bankers. Lock in a line on funding reform within limits, and on the UK as functionally multi-party masked by two-party seats.

Test Section test - 12 questions

Twelve mixed questions covering the whole area. Your most recent score shows in the top bar.

Practise this topic on Panther

Parties notes Parties walk-through Major party divisions Divisions paragraphs Parties flashcards Parties quiz

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