
A constitution is a document or set of legal documents that embodies the fundamental principles of a country. It defines the procedures and principles upon which the state is based, how laws are made, and who makes them. Most countries have a codified constitution, which is contained in a single document. However, some countries, like the United Kingdom, have an uncodified constitution, which consists of several different sources, including fundamental acts of a legislature, court cases, and treaties. A constitution plays a crucial role in maintaining the rule of law and protecting the fundamental rights of citizens by establishing limitations on state power.
| Characteristics | Values |
|---|---|
| Type of classification | Codified or uncodified |
| Length | Longest written constitution: India (146,385 words); shortest written constitution: Monaco (3,814 words) |
| Age | Oldest active codified constitution: United States; oldest active written constitution: San Marino |
| Historical life expectancy | Approximately 19 years |
| Autocracy vs. democracy | Not specific to democratic countries; autocratic states have constitutions, too |
| Adherence to provisions | Extent varies; developing a tradition of strict adherence is considered foundational to the rule of law |
| Amendments | May be abolished, except for the most basic principles |
| Preamble | May be ceremonial, setting forth goals and motivations, or omitted |
| Number of documents | May be contained in a single document or multiple documents |
| Scope | May concern different levels of organizations, from sovereign countries to companies and unincorporated associations |
| Powers of the government | Enumerates powers of the government and provides limitations to protect fundamental rights |
| Separation of powers | May separate the power of government into three branches with checks and balances |
| Amendments | Process for making amendments is onerous to prevent arbitrary changes |
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What You'll Learn

Autocratic states can have constitutions too
A constitution is a document or set of documents that embodies the fundamental principles of a state, country, or organisation. It defines the procedures and principles by which laws are made and may also act as a limiter to state power. Most states in the world have codified constitutions, meaning they are contained within a single document.
Autocratic states can also have constitutions. For instance, North Korea's constitution officially grants every citizen freedom of expression. However, the extent to which autocratic governments abide by their own constitutional provisions varies. In North Korea, for example, the Ten Principles for the Establishment of a Monolithic Ideological System are thought to have superseded the constitution in importance.
Autocracy is a political system that rejects political plurality and uses strong central power to maintain the status quo. It is characterised by reductions in democracy, separation of powers, civil liberties, and the rule of law. Autocratic governments can take various forms, including monarchies, dictatorships, and totalitarian regimes. The earliest autocracies, such as chiefdoms, formed where there was no centralised government, providing security and negating internal divisions.
Autocratic constitutions do not set direct limits on executive authority. However, they can function as a means for elites to protect their property rights or constrain the behaviour of autocrats. The creation of a constitution is a common tactic used by autocrats to maintain power, as they can draft a constitution that suits their rule. For instance, they may include controlled liberties for citizens, such as allowing opposition parties to participate in unfair elections.
While democratic constitutions emphasise core commitments to human rights and self-governance, autocratic constitutions do not necessarily uphold these values. Instead, they may be used to protect the interests of ruling elites and maintain control over the nation's institutions.
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Codified vs uncodified constitutions
A constitution is a country's fundamental law. It defines the principles upon which the state is based, the procedure for making laws, and who has the authority to do so. It may also act as a limiter of state power.
A codified constitution is contained in a single document, which serves as the single source of constitutional law in a state. It outlines the fundamental principles, laws, structure and powers of the government, as well as the rights and freedoms of citizens. Most countries in the world have a codified constitution. The US Constitution is the oldest active codified constitution.
An uncodified constitution, on the other hand, is not contained in a single document. It consists of several different sources, which may be written or unwritten, such as customs, usage, precedent, statutes, legal instruments, court decisions and conventions. The UK, New Zealand, Israel and Canada are examples of countries with wholly or partially uncodified constitutions.
Advantages and Disadvantages
Codified constitutions offer clarity and certainty, with a clear framework for the exercise of power. They also provide citizens with greater protection of their rights and freedoms. However, they can be difficult to amend, making them inflexible and unable to adapt to changing circumstances.
Uncodified constitutions offer flexibility, allowing for easier adaptation to changing circumstances and societal values. They can be interpreted more broadly, allowing for greater government action. However, they may lack a specific moment where the principles of government were deliberately decided, and they can be prone to controversies due to different understandings of the usages and customs that form the fundamental provisions.
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The US Constitution and its amendments
A constitution is a document or set of legal documents that embody the fundamental laws of a country. Most states in the world have codified constitutions, which are contained in a single document. The US Constitution is the nation's fundamental law, superseding the Articles of Confederation, the nation's first constitution, on March 4, 1789. The US Constitution's first three articles embody the doctrine of the separation of powers, dividing the federal government into three branches: the legislative, consisting of the bicameral Congress (Article I); the executive, consisting of the president and subordinate officers (Article II); and the judicial, consisting of the Supreme Court and other federal courts (Article III).
Article IV, Article V, and Article VI of the US Constitution embody concepts of federalism, describing the rights and responsibilities of state governments, the states in relation to the federal government, and the shared process of constitutional amendment. Article V establishes the procedure for amending the Constitution. A proposal for an amendment must be adopted by two-thirds of both houses of Congress or by a national convention requested by two-thirds of the state legislatures. Once the proposal has passed, Congress decides on the method of ratification. The proposed amendment becomes operative as soon as it is ratified by three-fourths of the states (38 out of 50 states).
The US Constitution has been amended several times since its inception. Notable amendments include the Third Amendment (1791), which prohibits the federal government from forcing individuals to house soldiers during peacetime without consent; the Fourth Amendment (1791), which protects against unreasonable searches and seizures; and the Eighth Amendment (1791), which protects against excessive bail and fines and cruel and unusual punishment.
The Fourteenth Amendment, Section 1, states that all persons born or naturalized in the United States and subject to its jurisdiction are citizens and are entitled to equal protection under the law. It also prohibits states from depriving any person of life, liberty, or property without due process of law. These amendments reflect the core values and principles upon which the US Constitution is based and have helped shape the country's legal and political landscape.
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Equality before the law
A constitution is a document or set of documents that outline the fundamental principles of a state, country, or organisation. Most countries have a codified constitution, which means it is contained in a single document. The US Constitution, for example, is the nation's fundamental law.
The US Constitution also provides for the equality of citizens in other ways. For example, the Fourteenth Amendment grants citizenship to "all persons born or naturalized in the United States" and prohibits states from abridging the privileges or immunities of citizens. Additionally, the Fifth Amendment states that no person shall be "deprived of life, liberty, or property without due process of law". These provisions ensure that all citizens are treated equally under the law and that their basic rights are protected.
While the US Constitution guarantees equality before the law, it is important to recognise that formal equality for all groups has been a ongoing struggle. Before the passage of the Fourteenth Amendment, American law did not extend constitutional rights to Black Americans, and they were considered inferior to white Americans. Even after the ratification of the amendment, racial discrimination and segregation persisted, and it took further legal and social changes to achieve greater equality.
In conclusion, equality before the law is a fundamental principle enshrined in the US Constitution. The Fourteenth Amendment, with its Equal Protection Clause, has been pivotal in ensuring that all citizens are treated equally and that their rights are protected regardless of race, gender, or other characteristics. However, achieving true equality before the law has been a continuous process, requiring legal challenges and social movements to address historical injustices and inequalities.
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The UK's uncodified constitution
A constitution is a set of fundamental principles or established precedents that govern a state, organisation, or group. It defines the rules and principles by which the state is governed, the procedure for law-making, and who has the power to make these laws.
The UK's constitution is an example of an uncodified constitution, which means it is not contained in a single document but is instead spread across several sources, including various fundamental acts of a legislature, court cases, and treaties. The UK constitution comprises written and unwritten arrangements that establish the United Kingdom of Great Britain and Northern Ireland as a political body.
However, critics argue that the UK's uncodified constitution leaves the political system vulnerable to abuse. With few checks on the power of a majority government in the House of Commons, there are limited barriers to prevent a government from rushing through changes that could benefit themselves or negatively impact the country. Additionally, some citizens find the uncodified constitution confusing, making it challenging to understand when a government is overstepping its bounds.
Despite these criticisms, some scholars defend the UK's uncodified constitution, arguing that it is more democratic. Each generation can influence the constitution through their elected representatives, allowing them to carry out the agenda that the people have voted for. Furthermore, the uncodified nature of the UK constitution does not diminish its status as a constitution, and the country's highest courts have recognised and affirmed constitutional principles such as parliamentary sovereignty, the rule of law, democracy, and upholding international law.
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Frequently asked questions
A constitution is a set of fundamental principles or established precedents that act as the primary source of law in a state.
A codified constitution is contained in a single document, whereas an uncodified constitution consists of several different sources, which may be written or unwritten.
The US Constitution is the oldest active codified constitution. The UK and New Zealand are the only two sovereign states with wholly uncodified constitutions.
A constitution defines the principles upon which a state is based, the procedure for law-making, and who has the power to make those laws. It also establishes limitations on state power to protect the fundamental rights of citizens.
No, constitutional rights are not exclusive to democratic countries. Autocratic states, such as North Korea, also have constitutions that grant citizens certain rights, such as freedom of expression. However, the extent to which these provisions are upheld varies.








































