📚 Independence of the UK and US judiciaries | 英国与美国司法体系的独立性
The independence of the judiciary is a fundamental principle underpinning the rule of law in both the United Kingdom and the United States. Although the two nations share a common law heritage, their constitutional structures differ markedly – the UK operates without a single codified constitution, while the US relies on a written constitution with explicit separation of powers. This article explores how judicial independence is established and protected in each system, comparing appointment processes, security of tenure, financial safeguards, and the ability of courts to resist political pressure.
司法独立是支撑英国和美国法治的基本原则。尽管两国共享普通法传统，但宪政结构差异显著——英国没有单一的成文宪法，而美国依赖明确确立权力分立的成文宪法。本文探究两种制度下司法独立如何确立并受到保护，比较法官任命程序、任期保障、财务防护以及法院抵御政治压力的能力。
1. Defining Judicial Independence | 司法独立的定义
Judicial independence means that judges are free to decide cases impartially, based on the law and evidence, without external influence from the government, legislators, litigants, or the public. It consists of both individual independence – protecting judges’ personal position – and institutional independence, ensuring the judiciary functions autonomously as a branch of government. Without genuine independence, the judiciary cannot act as an effective check on the executive or legislature, and individual rights become vulnerable.
司法独立意味着法官可以依据法律和证据公正地裁决案件，不受政府、立法者、诉讼方或公众的任何外部影响。它包括两个层面：个体独立——保障法官个人地位的稳定；以及机构独立——确保司法系统作为政府部门自主运作。没有真正的独立，司法就无法有效制约行政或立法权力，个人权利也将失去保护。
2. Constitutional Safeguards in the UK | 英国的宪政保障
The UK’s uncodified constitution provides judicial independence through a combination of statute, common law, and convention. The Constitutional Reform Act 2005 was a landmark statute: it established the Supreme Court of the United Kingdom as a separate institution and, crucially, ended the role of the Lord Chancellor as both a cabinet minister and head of the judiciary. The Act also created the Judicial Appointments Commission (JAC), an independent body that recommends candidates solely on merit, reducing political patronage. Additionally, the principle of parliamentary sovereignty means that courts cannot strike down primary legislation, but they can review executive actions for legality and compatibility with the Human Rights Act 1998.
英国的未成文宪法通过成文法、普通法和惯例的结合来保障司法独立。2005年《宪政改革法》是里程碑式的立法：它设立了联合王国最高法院作为独立机构，关键的是，终结了大法官同时作为内阁大臣和司法机构首脑的角色。该法还设立了司法任命委员会（JAC），一个只依据才能推荐候选人的独立机构，减少了政治庇护。此外，议会主权原则意味着法院不能推翻初级立法，但可以审查行政行为是否合法以及是否符合1998年《人权法案》。
3. Constitutional Safeguards in the US | 美国的宪政保障
The United States Constitution expressly provides for judicial independence under Article III. It states that federal judges ‘shall hold their Offices during good Behaviour,’ which has been interpreted as life tenure. The Constitution also prohibits any reduction in judicial pay during a judge’s continuance in office. The separation of powers doctrine, reinforced by the system of checks and balances, places the Supreme Court at the apex of a co-equal branch of government. Importantly, the US Supreme Court has the power of judicial review – the ability to declare acts of Congress or executive actions unconstitutional, a feature not present in the UK in that form.
美国宪法在第三条中明确规定了司法独立。它规定联邦法官“在行为良好期间应继续任职”，这被解释为终身任期。宪法还禁止法官在任期间薪酬被削减。权力分立原则与制衡体制相结合，将最高法院置于一个平等的政府分支之巅。重要的是，美国最高法院拥有司法审查权——可以宣布国会立法或行政行为违宪，这是英国所没有的权力形式。
4. Judicial Selection: UK Supreme Court | 英国最高法院的任命
Justices of the UK Supreme Court are selected by an independent Selection Commission, which is convened when a vacancy arises. The commission typically consists of the President and Deputy President of the Supreme Court, plus members of the judicial appointments bodies from across the UK. The commission consults widely and recommends a single candidate based on merit. The Lord Chancellor (a government minister) can accept or reject the name, but cannot propose an alternative. If rejected, the commission must provide a new name. This process minimises direct political interference, and in practice, all recommendations have been accepted since the Court’s creation in 2009.
英国最高法院的法官由独立的遴选委员会选出，空缺出现时即行召集。委员会通常由最高法院院长、副院长以及来自全英司法任命机构的成员组成。委员会广泛咨询并基于才能推荐一名候选人。大法官（政府大臣）可以接受或拒绝该人选，但不能另荐他人。如果被拒绝，委员会必须提出新的人选。这一程序最大限度地减少了直接政治干预；实际上，自2009年最高法院成立以来，所有推荐均被接受。
5. Judicial Selection: US Federal Judges | 美国联邦法官的任命
Federal judges in the United States, including Supreme Court Justices, are nominated by the President and must be confirmed by a majority vote in the Senate. This process is inherently political: the President often considers a nominee’s perceived ideology, and Senate Judiciary Committee hearings have become intense partisan battles. For Supreme Court vacancies, the ideological stakes are enormous, leading to events such as the Republican Senate’s refusal to hold hearings for Merrick Garland in 2016 and the rapid confirmation of Amy Coney Barrett in 2020. Once confirmed, however, judges enjoy life tenure, which theoretically insulates them from direct political pressure in their decision-making.
美国联邦法官，包括最高法院大法官，均由总统提名并须经参议院多数票确认。这一程序本质上具有政治性：总统通常会考虑提名人选的意识形态倾向，而参议院司法委员会的听证已成为激烈的党派争斗。对于最高法院空缺，意识形态的影响极为重大，导致诸如2016年共和党控制的参议院拒绝对梅里克·加兰德举行听证，以及2020年快速确认埃米·科尼·巴雷特等事件。不过，一旦得到确认，法官享有终身任期，这在理论上使其在裁决时免受直接的政治压力。
6. Security of Tenure | 任期保障
Security of tenure is vital for judicial independence, ensuring that judges cannot be removed arbitrarily for politically unpopular decisions. In the UK, Supreme Court justices hold office until the mandatory retirement age of 75, and can only be removed earlier by a resolution of both Houses of Parliament on specified grounds such as misconduct. In the US, Article III judges serve during ‘good behaviour,’ allowing them to remain in office for life. They can only be removed through impeachment by the House of Representatives and conviction by the Senate, a very rare process that requires a two-thirds majority in the Senate. Only eight federal judges have been convicted and removed in US history, underscoring the strength of this protection.
任期保障对司法独立至关重要，它能确保法官不会因作出政治上不受欢迎的裁决而被随意免职。在英国，最高法院法官任职至75岁法定退休年龄，仅可因行为不当等特定理由，经议会两院决议方可提前免职。在美国，第三条法官可在“行为良好”期间任职，即终身任职。他们仅可经由众议院弹劾和参议院定罪而罢免，这一程序极为罕见且要求参议院三分之二多数通过。历史上只有八名联邦法官被定罪并免职，彰显了这一保障的力度。
7. Financial Independence | 财务独立
Financial security shields judges from attempts by the executive or legislature to influence them through salary manipulation. In the UK, judicial salaries are set by the Senior Salaries Review Body and are paid from the Consolidated Fund, meaning they do not require annual parliamentary approval. The Constitutional Reform Act 2005 also protects judges from arbitrary pay cuts. In the US, the Constitution’s Compensation Clause explicitly states that judges’ compensation shall not be diminished during their continuance in office. Both systems thus provide robust financial safeguards, though in practice, judicial salaries are occasionally criticised and debated in the public sphere, creating subtle pressure.
财务安全保护法官免遭行政或立法部门通过操纵薪酬来施加影响。在英国，法官薪酬由高级薪酬审查机构确定，从统一基金中支付，这意味着无需年度议会批准。2005年《宪政改革法》也保护法官不被任意减薪。在美国，宪法中的薪酬条款明确规定，法官在任期间薪酬不得减少。因此，两种体制均提供了坚实的财务保障，尽管在实践中，法官薪酬偶尔会在公共领域受到批评和讨论，形成微妙的压力。
8. Judicial Review and Limits on Power | 司法审查与权力界限
The scope of judicial review differs significantly between the two systems, and this affects perceptions of independence. UK courts cannot invalidate Acts of Parliament but can review the lawfulness of executive actions and ensure compliance with the European Convention on Human Rights via the Human Rights Act 1998. Landmark cases like Miller/Cherry (2019), where the Supreme Court ruled Boris Johnson’s prorogation of Parliament unlawful, demonstrated that even in a parliamentary sovereignty system, the courts can boldly constrain the executive. In contrast, US federal courts can strike down legislation that violates the Constitution, making judicial independence directly linked to protecting constitutional rights, as seen in decisions such as Brown v. Board of Education and Obergefell v. Hodges.
两国的司法审查范围显著不同，这影响着对独立性的看法。英国法院不能使议会法案无效，但可以审查行政行为的合法性，并确保其通过1998年《人权法案》符合《欧洲人权公约》。在里程碑式的米勒/切里案（2019）中，最高法院裁定鲍里斯·约翰逊暂停议会违法，这表明即使在议会主权体制下，法院也能够有力地约束行政权力。相比之下，美国联邦法院可以推翻违宪的立法，这使得司法独立与保护宪法权利直接相连，如同布朗诉教育委员会和奥贝格费尔诉霍奇斯等判决所示。
9. Political Pressures and Public Scrutiny | 政治压力与公众审视
Despite formal protections, courts in both countries face political pressures that test their independence. In the UK, media criticism of judges – notably the ‘Enemies of the People’ headline after the Miller Article 50 case – has prompted debates about judicial overreach, but the judges themselves are not subject to reappointment or electoral challenge. In the US, Supreme Court confirmation hearings have become highly polarised, and the Court’s legitimacy is frequently questioned along partisan lines. Proposals for court-packing or term limits for justices have entered mainstream discussion, indicating that while formal independence remains robust, informal political threats are growing in both jurisdictions.
尽管有正式保护，两国法院都面临着考验其独立性的政治压力。在英国，媒体对法官的批评——特别是文章第50条款案后“人民公敌”的标题——引发了关于司法越权的辩论，但法官本身并不面临连任或选举挑战。在美国，最高法院确认听证会变得高度极化，法院的合法性常常因党派分歧而受到质疑。增加最高法院大法官名额或设定任期限制的提案已进入主流讨论，这表明尽管形式上的独立性依然牢固，但非正式的政治威胁在两个司法管辖区都在增长。
10. Threats to Independence: Comparison | 独立性威胁：对比分析
A comparative assessment reveals that the US judiciary’s greatest vulnerability lies in the intensely political appointment process, which can undermine public perception of impartiality even if life tenure protects judges once seated. The UK’s strength is its relatively depoliticised selection; its weakness arguably stems from the doctrine of parliamentary sovereignty, which means that if a determined government commanded a majority, it could theoretically legislate to overturn court decisions or even abolish the Supreme Court. However, strong constitutional conventions and the UK’s commitment to the rule of law would make such action extremely costly. In both countries, the erosion of traditional norms poses a subtler, longer-term danger to judicial independence.
比较评估显示，美国司法独立的最大脆弱性在于高度政治化的任命程序，即便终身任期保护已就职法官，也可能损害公众对公正性的认知。英国的优势在于相对去政治化的遴选过程；其弱点则可能是议会主权原则，这意味着如果一届决心强硬的政府拥有多数席位，理论上可以通过立法推翻法院裁决甚至废除最高法院。然而，强大的宪政惯例以及英国对法治的承诺会使此类行动代价极高。在两国，传统规范的侵蚀都对司法独立构成更微妙、更长远的威胁。
11. Accountability vs Independence | 问责与独立的平衡
Complete independence does not mean unaccountability. Both systems maintain mechanisms to hold judges to professional standards while safeguarding decisional independence. In the UK, the Judicial Conduct Investigations Office can investigate complaints, and in extreme cases, the Lord Chancellor may initiate removal proceedings with parliamentary approval. The court system is also subject to oversight by the Judicial Appointments and Conduct Ombudsman. In the US, judicial councils in each circuit can impose discipline short of removal, and impeachment remains the ultimate check. Striking the right balance is delicate: too much accountability can endanger independence, while too little can foster judicial arrogance.
完全的独立并不意味着无需问责。两套体制都设有在保障裁判独立的同时约束法官遵守职业标准的机制。在英国，司法行为调查办公室可以调查投诉，在极端情况下，大法官可在议会批准下启动免职程序。法院系统还受到司法任命与行为监察专员的监督。在美国，各巡回区的司法委员会可以施以除免职外的纪律处分，而弹劾仍是最终的制约手段。保持恰当的平衡十分微妙：过度的问责会危及独立，而过少的问责则可能助长司法的傲慢。
12. Conclusion: Relative Strength of Independence | 结论：独立性的相对强度
Both the UK and the US provide strong formal protections for an independent judiciary, rooted in their distinct constitutional traditions. The US model emphasises life tenure and an explicit separation of powers, creating a judiciary that can act as a powerful counterweight to political branches. The UK model balances parliamentary sovereignty with an increasingly autonomous judicial branch, supported by merit-based appointments and statutory safeguards. While daily practice confirms that judges in both nations can – and do – rule against the government without fear of dismissal, modern political dynamics are testing the resilience of these foundations. Ultimately, judicial independence depends not only on legal rules but also on a political culture that respects the rule of law.
英国和美国都根据各自独特的宪政传统为独立的司法提供了强有力的正式保障。美国模式强调终身任期和明确的权力分立，创造了一个能够有力制衡政治分支的司法系统。英国模式则在议会主权与日益自主的司法分支之间寻求平衡，并依靠择优任命和法定保障加以支撑。尽管两国的日常实践均证实，法官能够——并且确实——对政府作出不利裁决而不必担心被免职，但现代政治动态正在考验这些根基的韧性。最终，司法独立不仅依赖于法律规则，还取决于尊重法治的政治文化。
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