What is the rule of law?
The nutshell
The rule of law means everyone must follow the law, including the government and the police. Judges in fair and open courts decide if the law has been broken.
Every fact on this page comes from official guides and non-partisan explainers. Each source tag — like CU — opens where a fact comes from.
The basics
What "the rule of law" means
The rule of law is a simple idea. Everyone must follow the law, including the people who run the country. The UCL Constitution Unit calls it a fundamental principle of the UK constitution — one of the main rules the whole country is built on.CU
The same law for everyone
Under the rule of law, the law applies to everyone in the same way. A minister, a police officer and a shop worker must all obey it. This is often called equality before the law, and it means no one is above the law.CU
Judges and fair courts
When someone is accused of breaking the law, a court decides what happens. Judges must be independent, which means free from control by the government. The House of Lords Library says clear laws, applied to everyone and settled by independent courts, are core parts of the rule of law.HoL
Even the government must follow the law
The rule of law also limits the people in power. Government ministers must act within the law. The Institute for Government says special legal advisers, called the law officers, help ministers stay within the law and act as guardians of the rule of law.IfG
- The rule of law is a fundamental principle of the UK constitution, according to the UCL Constitution Unit
- Lord Bingham set out its core principles: the law should be clear, apply to everyone, and be settled by independent courts, the House of Lords Library records
- The rule of law limits the government too, and the law officers help ministers stay within the law, the Institute for Government explains
- The rule of law is not written down in one Act of Parliament, so its exact meaning is debated
- The House of Lords Constitution Committee reported in 2025 that some legal experts believe the rule of law has been weakened in recent years
- The rule of law does not mean every law is fair, only that the law applies equally and is followed
The deep end6 min
Where the idea comes from
The phrase "the rule of law" has a long history in Britain. Its best-known modern description comes from the senior judge Lord Bingham. Lord Bingham set out that everyone and every authority in the state, whether public or private, is bound by the law and entitled to its benefit. The UK Parliament's House of Lords Constitution Committee used this description in its 2025 report on the rule of law.Parl
The core principles
There is no single official definition of the rule of law written into one Act of Parliament. The House of Lords Library records that its core principles are still widely agreed.HoL Lord Bingham broke the idea into several parts. The law must be clear and, as far as possible, settled and predictable. Legal rights should be decided by the law, not by the personal choice of officials. The law should apply equally to all. And courts must be open and independent.
Why independent courts matter
The UCL Constitution Unit explains that judicial independence is central to the rule of law.CU Judges are chosen on merit by an independent body, not picked by ministers. A judge also has security of tenure, which means a judge cannot easily be removed for a decision. That independence lets a court rule against the government itself when a minister has acted beyond the law.
A live debate
The rule of law is widely supported across the main UK parties, but its health is debated. The House of Lords Constitution Committee reported in 2025 that some legal experts and organisations believe the rule of law has been weakened in recent years, for example where power is used through discretion rather than clear law.Parl The committee's report, and the government's response in 2026, set out different views on how well the rule of law is holding up.