📚 Emerging and Minor UK Political Parties | 英国新兴与小政党
Minor and emerging political parties have played a crucial role in shaping the political landscape of the United Kingdom, especially in the twenty-first century. Although the Westminster electoral system tends to disadvantage smaller parties, shifts in voter behaviour, constitutional changes and single-issue campaigns have allowed a number of parties outside the Conservative–Labour duopoly to exert disproportionate influence. This article explores the nature, impact and prospects of minor and emerging parties in UK politics, covering UKIP, the Brexit Party, Reform UK, the Greens, the nationalist parties and Northern Irish parties, as well as the structural barriers they face.
小型和新兴政党在塑造英国政治格局方面发挥了至关重要的作用，特别是在二十一世纪。尽管威斯敏斯特的选举制度往往对较小政党不利，但选民行为的转变、宪制变革以及单一议题运动让许多游离于保守党与工党双头垄断之外的政党得以施加不成比例的影响力。本文探讨英国政治中小型及新兴政党的本质、影响与前景，涵盖英国独立党、脱欧党、改革党、绿党、民族主义政党以及北爱尔兰各政党，同时分析它们面临的结构性障碍。
1. Defining Minor and Emerging Parties | 小型与新兴政党的界定
In UK politics, a minor party is typically one that does not consistently win a significant number of seats in the House of Commons. There is no formal legal threshold; instead, the label reflects parliamentary representation, membership size and electoral reach. Emerging parties are newer political formations that may have limited electoral success initially but show potential to grow or influence mainstream agendas.
在英国政治中，小政党通常指未能在下议院稳定赢得大量席位的政党。这并没有正式的法律门槛，其标签反映的是议会代表度、党员规模以及选举辐射范围。新兴政党则是较新的政治组织，它们最初选举成绩有限，但有可能成长壮大或影响主流议程。
While the Conservative and Labour parties have alternated in government for a century, a variety of minor parties have operated at Westminster and in the devolved institutions. Some, like the Liberal Democrats, are better described as a ‘third party’ rather than minor, but many others – from the Greens to the various nationalist and unionist groupings – fit the minor-party category and have shaped policy debates, particularly when general elections produce hung parliaments.
尽管保守党与工党在过去一个世纪里轮替执政，但各种小政党一直在威斯敏斯特和权力下放机构中活动。自由民主党这类政党更适合被描述为“第三党”而非小党，但许多其他政党——从绿党到各类民族主义与统一派党派——均属小党范畴，并且影响了政策辩论，尤其是在大选产生悬峙议会时。
2. The UK Party System and the Space for Minor Parties | 英国政党制度与小党的生存空间
The United Kingdom is often described as having a two-party system, yet devolution and changes in voting behaviour have created multiple party systems at sub-national levels. The plurality electoral system (first-past-the-post) used for Westminster elections systematically penalises parties whose support is evenly spread rather than geographically concentrated. This means a minor party with 10% of the national vote can end up with very few or no seats unless its votes are regionally bunched.
英国常被描述为两党制国家，但权力下放和选民行为的变化已在次国家级层面创造出多党体系。威斯敏斯特选举所使用的简单多数制（领先者当选）系统性地惩罚那些票源均匀分散而非地理上集中的政党。这意味着一个获得10%全国选票的小党可能最终只有极少席位甚至一无所获，除非其选票在特定区域内高度聚集。
Consequently, minor parties often thrive when they possess a strong regional identity – such as the Scottish National Party (SNP) in Scotland or Plaid Cymru in Wales – or when they capitalise on a single issue that cuts across traditional party loyalties, as UKIP did with European Union membership. The devolved parliaments and assemblies, elected by proportional representation, have also provided a more favourable arena for minor parties, allowing the Greens and others to gain legislative representation they lack at Westminster.
因此，当小党拥有强大的地区认同（例如苏格兰的苏格兰民族党或威尔士的威尔士党）时，或者当它们能够利用一个跨越传统党派忠诚的单一议题（如英国独立党围绕欧盟成员国身份的动员），它们往往能蓬勃发展。由比例代表制选举产生的权力下放议会也为小党提供了更有利的舞台，让绿党及其他政党获得了它们在威斯敏斯特所缺乏的立法代表权。
3. UKIP and the Brexit Party: Single-Issue Surges | 英国独立党与脱欧党：单一议题浪潮
The United Kingdom Independence Party (UKIP) is perhaps the most significant minor party in recent British political history. Founded in 1993, it campaigned for British withdrawal from the European Union. Its breakthrough came in the 2014 European Parliament elections, where it topped the poll with 27% of the vote, becoming the first party other than Labour or the Conservatives to win a nationwide election in over a century. This success forced David Cameron to promise an in-out referendum on EU membership.
英国独立党或许是近期英国政治史上最重要的小政党。它成立于1993年，主张英国脱离欧盟。其突破发生在2014年欧洲议会选举中，以27%的得票率高居榜首，成为一个多世纪以来除工党和保守党之外首个在全民性选举中获胜的政党。这一成功迫使戴维·卡梅伦承诺就欧盟成员国身份举行去留公投。
Despite winning only one MP in the 2015 general election – Douglas Carswell – UKIP polled 12.6% of the vote, demonstrating the distorting power of first-past-the-post. After the 2016 Brexit referendum, the party lost its primary issue and declined rapidly. Its successor, the Brexit Party led by Nigel Farage, contested the 2019 European Parliament elections and again topped the poll with 31% of the vote, but it stood down candidates in hundreds of Conservative-held seats in the general election later that year, facilitating Boris Johnson’s decisive victory.
尽管在2015年大选中仅拿下一席——道格拉斯·卡斯韦尔——英国独立党仍赢得12.6%的选票，充分显示了简单多数制的扭曲效应。在2016年脱欧公投后，该党丧失了核心议题并迅速衰落。其继承者、由奈杰尔·法拉奇领导的脱欧党参加了2019年欧洲议会选举，再次以31%的得票率高居榜首；但在当年稍晚的大选中，该党让出数百个保守党控制席位的候选人，助推鲍里斯·约翰逊取得决定性胜利。
The trajectory of UKIP and the Brexit Party illustrates how minor parties can reframe the political agenda without winning many seats. Through electoral pressure on the Conservative Party, these parties achieved their core objective – Brexit – precisely because they threatened to split the right-of-centre vote. Their story also demonstrates the fragility of single-issue parties once their defining cause is resolved or adopted by a major party.
英国独立党与脱欧党的演变轨迹表明，小党无需赢取众多席位便能重塑政治议程。通过给保守党制造选举压力，这些政党恰恰因为威胁到中右翼选票的分裂而实现了其核心目标——脱欧。它们的故事还揭示了单一议题政党一旦其标志性目标获得解决或被大党采纳，其自身的脆弱性。
4. Reform UK: The New Right-Wing Challenger | 改革党：右翼新挑战者
Reform UK, which grew out of the Brexit Party, has attempted to build a broader platform around populist conservative themes, including lower taxes, reduced immigration and challenging ‘woke’ orthodoxy. Under Richard Tice and subsequently Nigel Farage, the party has sought to position itself as a distinct right-wing alternative to the Conservative Party. It registered strong performances in local by‑elections and in the 2024 general election Farage himself won a seat in Clacton, accompanied by a small group of MPs.
从脱欧党演变而来的改革党试图围绕民粹保守主义主题构建更广泛的纲领，包括减税、减少移民以及挑战“觉醒”正统。在理查德·泰斯和随后的奈杰尔·法拉奇领导下，该党力求将自己定位为区别于保守党的右翼替代选择。在地方补选中表现强劲，且在2024年大选中法拉奇本人赢得克拉克顿议席，并带领少数议员进入下议院。
Reform UK’s emergence has serious implications for the traditional party system. By splitting the right-of-centre electorate, it can reduce the Conservative Party’s seat total even without winning many constituencies itself. This makes it an ’emerging’ party that acts as a potential kingmaker or spoiler in marginal seats, much as UKIP did in 2015. Its future depends on whether it can institutionalise beyond Farage’s personal appeal and convert diffuse support into durable party machinery.
改革党的崛起对传统政党制度影响深远。通过分裂中右翼选民，该党即使自身赢得不多选区，也可能减少保守党的总席位数。这使它成为一个在边缘选区充当潜在造王者或搅局者的“新兴”政党，与2015年的英国独立党如出一辙。其未来取决于能否超越法拉奇的个人吸引力走向制度化，并将分散的支持转化为持久的政党机器。
5. The Green Party: Environmentalism as Persistent Minor Force | 绿党：环境议题作为持续的小党力量
The Green Party of England and Wales has been a consistent presence in minor-party politics since the 1980s. It holds one MP at Westminster – currently Carla Denyer in Bristol Central after 2024, following Caroline Lucas’s long tenure in Brighton Pavilion from 2010 to 2024 – and has stronger representation in the London Assembly and many local councils. The Greens benefit from the additional-member system in Scotland and Wales, where Green MSPs and MSs have held ministerial posts.
自20世纪80年代以来，英格兰和威尔士绿党一直是小党政治中的固定角色。该党在威斯敏斯特拥有一席——2024年后为布里斯托尔中央的卡拉·丹耶，此前卡洛琳·卢卡斯从2010年至2024年长期代表布莱顿穹顶宫选区——并在伦敦议会和众多地方议会中拥有更多代表席次。绿党在苏格兰和威尔士的附加议席制中获益，绿党籍苏格兰议会议员和威尔士议会议员曾担任部长职位。
Unlike UKIP, the Greens are not a single-issue party; they advocate a comprehensive transformation of the economy and society towards sustainability. Their vote share has fluctuated between 1-6%, but their influence extends beyond seats because the climate crisis has forced all mainstream parties to adopt stronger environmental policies. The Greens thus act as agenda-setters even when excluded from power. However, the first-past-the-post system remains a formidable barrier to translating their national support into Westminster seats.
与英国独立党不同，绿党并非单一议题政党；他们倡导经济与社会的全面可持续转型。其得票率在1-6%之间波动，但其影响超越席位本身，因为气候危机已迫使所有主流政党采纳更强有力的环保政策。因此，绿党即使无法执政，也扮演了议程设置者的角色。然而，简单多数制依然是将其全国支持转化为威斯敏斯特议席的巨大障碍。
6. The SNP and Plaid Cymru: Regional Powerhouses | 苏格兰民族党与威尔士党：地区强国
The Scottish National Party (SNP) dominates Scotland’s representation at Westminster and in the Holyrood Parliament. Under the first-past-the-post system, it captured 48 of Scotland’s 59 seats in the 2019 general election, establishing itself as the third-largest UK parliamentary party. Plaid Cymru is considerably smaller but consistently wins a handful of seats in Wales. Both parties campaign for independence and depict themselves as social-democratic alternatives to Labour.
苏格兰民族党在威斯敏斯特和苏格兰议会中主导苏格兰的政治代表。在简单多数制下，该党在2019年大选中夺取了苏格兰59个议席中的48席，成为英国第三大议会政党。威尔士党规模小得多，但始终能在威尔士赢得少数席位。两党均主张独立，并将自身描绘为工党的社会民主替代选项。
From a UK-wide perspective, the SNP and Plaid Cymru are minor parties because they do not compete across the whole country, but in their respective nations they are major political forces. Their influence in Westminster grows during hung parliaments; for example, the SNP used its post-2017 position to push for second independence referendum powers. The concentration of their support overcomes the distorting effect of FPTP, turning them into powerful regional rather than genuinely minor entities.
从全英角度看，因为未在全国范围内参与竞争，苏格兰民族党和威尔士党属于小党；但在各自民族地区，它们却是主要政治力量。在悬峙议会期间，它们在威斯敏斯特的影响力会增强；例如苏格兰民族党利用2017年后的地位推动第二次独立公投权限。其支持的高度集中克服了简单多数制的扭曲效应，使它们成为强大的区域力量，而非真正意义上的小党。
7. Northern Ireland’s Distinct Party Landscape | 北爱尔兰独特的政党格局
The party system in Northern Ireland is almost entirely separate from the rest of the UK. While the Conservative Party occasionally stands candidates, the main contest is between unionist and nationalist parties. The Democratic Unionist Party (DUP) and Sinn Féin are the largest, but the Alliance Party and the Ulster Unionist Party also play consequential roles. These parties typically hold around 18 seats combined at Westminster.
北爱尔兰的政党体系几乎与英国其他地区完全分离。虽然保守党偶尔会推出候选人，但主要竞争发生在联合主义与民族主义政党之间。民主统一党和新芬党规模最大，但联盟党和北爱统一党也发挥重要作用。这些政党通常在威斯敏斯特合计拥有约18个议席。
Northern Irish minor parties have demonstrated that small parliamentary cohorts can exert outsised leverage. The DUP’s confidence-and-supply agreement with the Conservative government from 2017 to 2019 is a prime example: its ten MPs secured £1 billion in extra funding for Northern Ireland in exchange for backing Theresa May’s minority administration. This arrangement underscored how the arithmetic of a hung parliament can turn a minor regional party into a pivotal actor at the centre of UK governance.
北爱尔兰的小政党证明，小规模议会群体可以施展远超席位数的影响力。2017年至2019年民主统一党与保守党政府签订的信任与供给协议便是典型案例：该党十名议员通过支持特蕾莎·梅的少数政府，为北爱尔兰争取到10亿英镑额外资金。这一安排凸显出，悬峙议会的算术如何将一个地方性小党转变为英国治理中心的关键角色。
8. Influence on Policy and the Political Agenda | 对政策与政治议程的影响
Minor and emerging parties can influence policy even when excluded from government. By raising issues that major parties initially ignore, they force the dominant parties to respond for fear of losing votes. UKIP’s success in European elections and opinion polls compelled the Conservative Party to promise and deliver the Brexit referendum, which altered the UK’s constitutional settlement permanently.
小型和新兴政党即使被排斥在政府之外，也能影响政策。它们通过提出大党最初忽视的议题，迫使主导政党因担心选票流失而作出回应。英国独立党在欧洲选举和民意调查中的成功，迫使保守党承诺并举行了脱欧公投，永久性地改变了英国的宪制安排。
Similarly, the Green Party’s emphasis on carbon reduction preceded the cross-party consensus on net zero, while the SNP’s electoral dominance has forced successive UK governments to engage with the Scottish independence question. Minor parties thus function as ‘policy entrepreneurs’, testing new ideas that major parties later appropriate. This indirect path of influence is particularly important in the UK’s majoritarian system, where formal coalition participation by minor parties is rare.
同样，绿党对碳减排的重视早于跨党派在净零排放上的共识；而苏格兰民族党的选举主导地位也迫使历届英国政府正视苏格兰独立问题。小党因此充当了“政策企业家”，试验一些后来被大党采纳的新理念。这种间接影响路径在英国的多数决体制中尤其重要，因为小党正式参与联合执政的情况十分罕见。
9. Coalitions and Confidence Agreements | 联合执政与信任协议
The United Kingdom’s political culture is often described as adversarial and majoritarian, yet minor parties have entered government through coalitions and informal agreements. The most notable example is the Conservative–Liberal Democrat coalition between 2010 and 2015, where the Liberal Democrats – though better described as a third party – behaved like a typical junior coalition partner, securing concessions on constitutional reform and a pupil premium while bearing the electoral costs of compromise.
英国的政治文化常被描述为对抗性和多数决式的，但小政党也通过联合政府和非正式协议进入政权。最著名的例子是2010年至2015年的保守党与自由民主党联合政府，其中自由民主党——尽管更适合称为第三党——表现得像一个典型的次要联盟伙伴，既争取到宪制改革和小学额外教育拨款等让步，也承受了妥协带来的选举代价。
At the sub-national level, coalitions are more frequent. The Scottish Greens served as government partners with the SNP in the Bute House Agreement, while in Wales Plaid Cymru and Labour have at times cooperated closely. These arrangements show that proportional electoral systems encourage the minor-party participation essential to multi-party governance. In Westminster, the DUP’s confidence-and-supply deal indicates that even without a full coalition, minor parties can extract substantial policy and financial concessions from a minority government.
在次国家级层面，联合执政更为常见。苏格兰绿党根据布特宫协议与苏格兰民族党组成执政伙伴，而在威尔士，威尔士党和工党也曾紧密合作。这些安排表明比例代表制选举制度有助于小党参与多党治理，而这正是多党制的关键所在。在威斯敏斯特，民主统一党的信任与供给协议则表明，即使没有完整的联合政府，小党也能从少数政府中获取可观的政策与财政让步。
10. Structural Barriers: Electoral System and Funding | 结构性障碍：选举制度与资金
The first-past-the-post electoral system is the single greatest obstacle facing minor parties at Westminster. The table below illustrates the discrepancy between vote share and seat share for selected minor parties in the 2019 general election. Because votes for a party must be highly concentrated geographically to win constituencies, parties with broad but shallow national support – such as the Greens and UKIP historically – are severely penalised.
简单多数制的选举制度是威斯敏斯特小党面临的最大障碍。下表展示了2019年大选中部分小党得票率与议席率之间的差距。由于一个政党必须使选票高度集中于某些地理区域才能赢得选区，那些票源广泛但稀薄的全国性政党——如历史上的绿党和英国独立党——会受到严重的惩罚。
| Party | Vote share (%) | Seats won | Seat share (%) |
|---|---|---|---|
| Green Party (E&W) | 2.7 | 1 | 0.15 |
| Brexit Party | 2.0 | 0 | 0 |
| SNP | 3.9 (45% in Scotland) | 48 | 7.4 |
| Plaid Cymru | 0.5 (11% in Wales) | 4 | 0.6 |
Beyond the electoral system, party funding rules and media access favour the two main parties. Short money – public funds provided to opposition parties – is allocated proportionally to seats won and votes received, but minor parties often lack the resources to mount sustained national campaigns. Furthermore, broadcasters typically focus their election coverage on the Conservatives, Labour and the Liberal Democrats, making it difficult for emerging parties to achieve the name recognition necessary to grow.
除了选举制度，政党资金规则和媒体资源也偏向两大主要政党。肖特资金——提供给反对党的公共拨款——按赢得席位数和获票数比例分配，但小政党往往缺乏开展持续全国竞选所需的资源。此外，广播机构通常将选举报道聚焦于保守党、工党和自由民主党，使新兴政党难以获得扩大影响力所必需的知名度。
11. The European Dimension and Its Legacy | 欧洲维度及其遗产
Between 1999 and the UK’s departure from the EU in 2020, elections to the European Parliament were conducted under a regional closed-list proportional system. This provided a crucial electoral springboard for minor parties such as UKIP, the Greens and later the Brexit Party. Winning MEPs gave these parties institutional credibility, public funding and media visibility far beyond what their Westminster results would have allowed.
从1999年到2020年英国脱欧，欧洲议会选举采用地区性封闭名单比例代表制，这为英国独立党、绿党以及后来的脱欧党等小政党提供了关键的选举跳板。赢得欧洲议会议员席位使这些政党获得了远超其威斯敏斯特成绩所能给予的制度信誉、公共资金和媒体曝光度。
The loss of European Parliamentary representation after Brexit removed this important platform, making it harder for minor parties to sustain momentum. The experience of UKIP, which rapidly declined after 2016, shows that access to the European stage was instrumental in boosting its profile and organisational capacity. Reform UK and the Greens now must rely on Westminster, devolved and local elections to maintain visibility.
脱欧后欧洲议会代表席位的丧失，撤除了这一重要平台，使得小政党更难维持势头。英国独立党在2016年后迅速衰落的事实表明，欧洲舞台的入场券对提升其形象和组织能力至关重要。如今，改革党和绿党必须依靠威斯敏斯特、权力下放及地方选举来维持能见度。
12. Conclusion: The Enduring Role of Minor Parties | 结论：小政党的持久作用
Minor and emerging political parties are a permanent and significant feature of UK politics despite the formidable structural barriers they face. Through agenda-setting, coalition participation, confidence agreements and the simple threat of splitting electorates, they shape policies far in excess of their seat totals. Parties like UKIP have demonstrated that the winning of a single parliamentary seat can be less important than the influencing of a national referendum, while regional nationalist forces continue to challenge the constitutional integrity of the state.
尽管面临巨大的结构性障碍，小型和新兴政党仍是英国政治中一个持久且重要的特征。通过议程设置、参与联合政府、信任协议，乃至分裂选民群体的简单威胁，它们塑造影响政策的程度远超其席位总和。类似英国独立党这样的政党已经证明，赢得单个议会席位的重要性，可能不及影响一场全国性公投；而地区民族主义势力也持续挑战着国家的宪制完整性。
For A-level students, understanding the minor-party landscape means recognising that the UK’s political system is more plural and dynamic than the two-party label suggests. As voter dealignment progresses and the electoral system comes under increasing scrutiny, the space for emerging parties is likely to expand – making their study vital for any comprehensive analysis of UK governance and political change.
对于A-level学生而言，理解小政党格局意味着认识到英国政治体系比“两党制”标签所显示的更为多元和动态。随着选民政党认同的减弱和选举制度受到越来越多的审视，新兴政党的生长空间很可能会扩大——这使得对它们的研究成为任何关于英国治理与政治变革全面分析必不可少的部分。
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