Which Country Has No Constitution?

Last Updated: May 24, 2026, 15:16 IST

Which Country Has No Constitution? Read the article below to learn about the countries without constitutions, uncodified constitutions, important constitutional systems, and the countries that rely on laws, traditions, and legal conventions instead of one formal document.

Which Country Has No Constitution?
Which Country Has No Constitution?

A constitution refers to a body of fundamental rules and principles, which provide information about how a particular state functions. 

The constitution provides the framework through which the functions of the government are carried out, and in addition, the constitution gives protection to the people of the country.

Most of the countries around the world currently have a constitution in written form. The United Nations states that constitutional governance is very vital in terms of ensuring political stability and protecting human rights around the world. 

But there are some countries without a constitution who rely on their uncodified written law documents.

Which Country Has No Constitution?

There are some countries without constitutions or codified constitutions altogether. They rely on laws, traditions, judicial decisions, and historical sources to control the state.

Country

Type of System

Main Constitutional Source

United Kingdom

Uncodified Democracy

Magna Carta, Parliament Acts, conventions

Israel

Uncodified Democracy

Basic Laws passed by Parliament

New Zealand

Uncodified Democracy

Constitution Act 1986, Treaty of Waitangi

Canada

Mixed Constitutional System

Constitution Acts and conventions

Saudi Arabia

Absolute Monarchy

Quran and Basic Law of Governance

In other words, these countries are ruled according to their own legal and constitutional practices, which are not found in a written constitution.

Check: Which Country Has No Military?

Countries With "Uncodified" Constitutions

A few democratic nations practice their constitution through uncodified means. It involves having a constitution whose procedures are distributed among other laws, conventions, history, and political practices rather than being in one single document. This makes a country without a constitution. 

United Kingdom

The United Kingdom can be cited as an example of a country without a constitution. In this case, its constitution is rooted in historic documents such as the Magna Carta, parliamentary acts, judgments, and conventions.

Israel

Israel has no written constitution due to conflicts when it came into existence historically and politically. Instead, it adheres to a set of Basic Laws concerning the rights of the government, democracy, and the people.

New Zealand

The constitution structure of New Zealand consists of various sources. Some of the main sources are the Constitution Act 1986 and the Treaty of Waitangi, which holds great importance in the nation’s political system.

Canada

In Canada, constitutional laws are present in written form, but the country also has political traditions, which have been taken from the British Westminster system. In this way, Canada can follow both legal and constitutional laws at the same time.

Saudi Arabia

There is no written constitution in Saudi Arabia as there is in many other democratic countries. The constitution of the country is derived from the Quran and the principles followed by Prophet Muhammad.

How Do Countries Function Without a Written Constitution?

Countries without a constitution manage to operate well in terms of having their government, courts, and legal framework operating efficiently. The legal framework is determined by traditions, laws passed in parliament, judicial decisions, and established political conventions.

In some cases, uncodified constitutions make for more flexible legal systems since these may change slowly over time. Nevertheless, there are some scholars who contend that written constitutions ensure legal safety and clarity during political disputes.

Read: Which Country Has No Traffic?

Conclusion

Countries without a constitution manage to create effective political and legal systems by relying on the established laws, traditions, and documents. Countries such as the United Kingdom, Israel, and New Zealand are examples of nations with various types of constitutional systems.

Alisha Louis
Alisha Louis

Executive - Editorial

    Alisha Louis is a US content specialist with over 3 years of experience in journalism and storytelling. A graduate with a Bachelor’s degree in Journalism and Mass Communication (BJMC), Alisha has focused her career on covering trending news and major educational developments across the United States. Her sharp eye for detail, combined with a strong journalistic point of view, helps her break down complex American educational topics into accessible, engaging narratives for a global audience. Dedicated to delivering timely and trustworthy reporting, she brings a fresh and insightful perspective to the evolving US academic landscape.

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    First Published: May 24, 2026, 15:16 IST

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