What is the oldest written Constitution still in use today?

Asked by: Dr. Toy McGlynn MD  |  Last update: March 21, 2026
Score: 4.3/5 (35 votes)

The oldest written constitution still in use depends on definition: San Marino's Statutes of 1600 are the oldest governing documents, but the U.S. Constitution (1788) is the oldest single, codified national constitution, while the Massachusetts Constitution (1780) is the oldest state-level constitution still in effect and a key model for others.

What is the oldest constitution still in use?

The Constitution of San Marino might be the world's oldest active written constitution, since some of its core documents have been in operation since 1600, while the Constitution of the United States is the oldest active codified constitution.

Which is the no. 1 constitution in the world?

The Constitution of India, adopted on 26 November 1949 and enforced from 26 January 1950, stands as the world's longest written constitution.

Which big nation has the oldest written constitution still in use?

San Marino claims to be the oldest constitutional republic in the world, founded on 3 September 301, by Marinus, a Christian stonemason fleeing the religious persecution of Roman Emperor Diocletian. San Marino's constitution, dating back to 1600, is the world's oldest written constitution still in effect.

Does Ukraine have the oldest written constitution?

♦️ Ukraine's First Constitution was published on this day in 1710, 315 years ago. It is considered the world's first documented Constitution. The Constitution of Pylyp Orlyk, created in 1710, was an agreement between Hetman Pylyp Orlyk and the Cossack leadership, represented by Chieftain Kost Hordienko.

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17 related questions found

What is the second oldest constitution in the world?

The constitution of Poland is considered the second oldest in the world by many, as parts of San Marino's constitution are not codified. Poland adopted its first written constitution in 1791.

Which country has the strongest legal system?

  • United Kingdom. #1 in Well-developed legal framework. ...
  • Germany. #2 in Well-developed legal framework. ...
  • Switzerland. #3 in Well-developed legal framework. ...
  • United States. #4 in Well-developed legal framework. ...
  • Sweden. #5 in Well-developed legal framework. ...
  • Canada. #6 in Well-developed legal framework. ...
  • Denmark. ...
  • Australia.

Which is the toughest constitution in the world?

Ancient and virtually impervious to amendment, the United States Constitution has withstood all modern efforts to renovate its outdated architecture on elections, federalism, rights, and beyond.

Can a constitution be changed easily?

Congress may submit a proposed constitutional amendment to the states, if the proposed amendment language is approved by a two-thirds vote of both houses. Congress must call a convention for proposing amendments upon application of the legislatures of two-thirds of the states (i.e., 34 of 50 states).

Which country has unwritten law?

Britain does not have a written constitution. It has an uncodified constitution in place of a written constitution. Countries including Canada, China, Israel, New Zealand, Saudi Arabia, and the United Kingdom have an unwritten constitution.

What is the oldest written constitution now enforced anywhere in the world?

The 1780 Constitution of the Commonwealth of Massachusetts, drafted by John Adams, is the world's oldest functioning written constitution. It served as a model for the United States Constitution, which was written in 1787 and became effective in 1789.

What is the world's oldest unwritten constitution?

The Magna Carta is thought to be the world's oldest unwritten Constitution. On June 15, 1215, King John of England signed a Bill of Rights for Nobles, which went into effect. It vowed to defend the nobility' rights against the crown's intervention.

Did the founding fathers put God in the constitution?

No, the Founding Fathers did not put God in the U.S. Constitution; the document is notably silent on God and religion, a deliberate choice reflecting a consensus on separating church and state, though the Declaration of Independence did mention a Creator and the Articles of Confederation used "Great Governor of the World," while the Constitution includes a "Year of our Lord" in its date and bars religious tests for office in Article VI and the First Amendment protects religious freedom.
 

Does San Marino have the oldest constitution?

The constitutional system shows influences of Roman customary law and Justinian I's Corpus Juris Civilis (529–534). It is the world's oldest surviving constitution of any sovereign state, barring England's Magna Carta (1215).

Does the original constitution still exist?

Located on the upper level of the National Archives, the Rotunda for the Charters of Freedom is the permanent home of the original Declaration of Independence, Constitution of the United States, and Bill of Rights.

Which country has the easiest constitution?

Monaco has the shortest written constitution with just 3,814 words. USA constitution has 7,591 and our Constitution has a whopping 1,46,385 words. There's reason for needing these many words for the architects of our Constitution.

What is considered the best country in the world?

U.S. News Best Countries. The overall ranking of Best Countries measure global performance on a variety of metrics. Switzerland is the best country in the world for 2024.

Who feared the Constitution was too powerful?

The Anti-Federalists feared that the new Constitution gave the national government too much power. And that this new government—led by a new group of distant, out-of-touch political elites—would: Seize all political power.

Which country has the most corrupt justice system?

More corrupt

Of the 180 countries ranked in the 2024 CPI, published in February 2025, the top scorers included Denmark (90), Finland (88), and Singapore (84), while those perceived as the most corrupt included South Sudan (8), Somalia (9), and Venezuela (10).

What country is ranked #1 in freedom?

According to the latest Human Freedom Index 2025, Switzerland ranks as the #1 freest country, praised for strong rule of law, personal autonomy, and economic freedom, followed closely by Denmark, New Zealand, Ireland, and Luxembourg in the top five for overall human freedom.
 

Who is the most powerful law in the world?

The 7 Most Famous Laws in the World:

  • Murphy Law.
  • Kidlin Law.
  • Gilbert Law.
  • Wilson Law.
  • Falkland Law.
  • Parkinson's Law.
  • Pareto Principle (80/20 Rule)

What is the longest lasting country in the world?

There's no single "longest-lasting country" due to different definitions (civilization vs. modern state), but China (oldest continuous civilization with 3,500+ years of history) and Egypt (ancient civilization from ~3100 BCE) are top contenders for ancient continuity, while modern nation-states have much shorter histories, with countries like Japan or Iran often cited for deep historical roots. 

What is the oldest continuous state in the world?

San Marino

  • San Marino, officially the Republic of San Marino (RSM), is a landlocked country in Southern Europe, completely surrounded by Italy. ...
  • San Marino claims to have been founded in AD 301 and to be the oldest extant sovereign state and the oldest constitutional republic.

What is the oldest continuous government in the world?

Tynwald is over 1000 years old. The parliament of Iceland, known as the Althing, is slightly older than Tynwald but has not operated continuously throughout its history. Tynwald is therefore the oldest continuous parliament in the world in continuous operation.