The Constitution of South Korea — Nine Amendments to Escape Six Different Republics
South Korea — Constitution Profile
| 📅 Original Constitution | July 17, 1948 |
| 📅 Current Version | October 29, 1987 |
| 🏛️ Government | Unitary Presidential Republic |
| 🌍 Capital | Seoul |
| 📄 Total Articles | 130 Articles in 10 Chapters |
| ✏️ Total Amendments | 9 — leading to 6 different Republics |
The Constitution That Has Been Rewritten So Many Times Historians Number the Republics Like Sequels
Most countries amend their constitution and call it an amendment. South Korea's constitutional changes have been so dramatic, so frequent, and so transformative that historians simply gave each major version its own number — like chapters in an ongoing political saga.
Between 17 July 1948, the date of adoption of the first Constitution, and 1987, the Constitution was amended nine times and six republics were established.
Six entirely different republics. Nine constitutional amendments. All within less than four decades. South Korea did not just revise its constitution over the years — it kept fundamentally reinventing the entire system of government, again and again, until it finally found one that lasted.
The First President Who Amended Himself Into Permanent Power
South Korea's constitutional story begins with real democratic intentions — and a swift betrayal of them.
The Constituent Assembly convened by the winners of the 1948 election determined the system of the new state and introduced a democratic system. They adopted a presidential system, and elected the independence activist Syngman Rhee as the first president. The president's term was limited to 4 years and two terms.
That limit did not survive long. Starting around 1950, Rhee exercised his power and amended the constitution twice, abolishing the term limits and allowing him to rule long-term. He also mobilized judicial power to suppress political rivals.
The man who had spent decades as an independence activist fighting for Korean self-determination became the first person to demonstrate exactly how easily a young democracy's constitution could be twisted into a tool for one man's permanent rule.
The Constitution Designed to Look Democratic While Concentrating Total Power
After Rhee's fall, South Korea's constitutional drift toward authoritarianism did not end — it simply changed hands.
Under one constitution, ostensibly designed to expedite reunification and to give legal backing to what was claimed to be the 'Korean style democracy,' the president was vested with nearly unlimited powers overriding the other separate branches of government.
The phrase "Korean style democracy" became, in practice, a constitutional euphemism — a way of describing a system that retained the language and appearance of democratic government while functioning as something closer to personal rule. From the 1960s to the 1980s South Korea went through a sequence of military dictatorships operating under constitutions written specifically to legalize their authority.
The Year the Streets Finally Rewrote the Rules
By 1987, South Koreans had endured decades of constitutional manipulation by successive strongmen. That year, the public decided enough was enough.
With the pro-democratic protests of 1987 — known as the June Democracy Movement — the 1988 Constitution of the Sixth Republic was passed.
Mass demonstrations across South Korea's major cities forced the ruling government to finally negotiate genuine democratic reform rather than impose another top-down constitutional rewrite. The constitutional bill was passed by the National Assembly on October 12, 1987, and approved by 93 percent in a national referendum on October 28, taking effect on February 25, 1988, when Roh Tae-Woo was inaugurated as president.
It remains the only South Korean constitution in history born directly from a successful popular uprising rather than a coup, an amendment, or a backroom political deal.
The One Reform Designed Specifically to Prevent History From Repeating
The framers of the 1987 constitution had watched four decades of presidents twist term limits to stay in power. Their solution was unusually blunt.
At this time, the president's term of office was set to a single five-year term, and the president's authority was reduced compared to the previous regime. In addition, the right to dissolve the National Assembly and take emergency measures that the president held was abolished, and the re-establishment of the Constitutional Court, which disappeared during the Park Chung-hee administration, reduced the authority of the enlarged administration.
One five-year term. Not renewable. Not extendable. No exceptions. South Korean presidents only hold office for a single five-year term — a rule written directly in response to Syngman Rhee's manipulation of term limits nearly forty years earlier.
It is, in effect, a constitution permanently scarred by its own history — and deliberately engineered never to repeat it.
The Capital City That Exists Only by Unwritten Tradition
Here is one of the strangest quirks of South Korea's entire constitutional framework.
While South Korean constitution is basically an example of written constitution, some of its enforceable constitutional laws are existing in format of unwritten constitution, when recognized by decisions of the Constitutional Court of Korea. Most prominent example of such unwritten elements is customary constitution identifying Seoul as sole national capital city.
Nowhere in the actual written text of South Korea's constitution does it explicitly declare Seoul the capital. It is considered constitutional law purely through unbroken historical custom and Constitutional Court precedent — meaning one of the most basic facts about the country exists as an unwritten rule sitting alongside, but outside of, the formal written document.
Constitution at a Glance
| Detail | Information |
|---|---|
| First Constitution Adopted | July 17, 1948 |
| Most Recent Amendment | October 29, 1987 |
| Total Amendments | 9 |
| Number of Republics | 6 (First through Sixth Republic) |
| Current Republic | Sixth Republic |
| Total Articles | 130 |
| Total Chapters | 10 |
| 1987 Referendum Approval | 93% |
| Presidential Term | Single 5-year term, non-renewable |
| First President | Syngman Rhee |
📥 Read the Constitution of South Korea
Read the complete, official English text of the Constitution of the Republic of Korea:
👉 Read Constitution of South Korea — Full Text
Nine amendments. Six different republics. A president who amended himself into permanent power before the system finally course-corrected. Which part of South Korea's constitutional story surprised you the most? Tell us in the comments below.
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