South Korea overview
South Korea is a country in Eastern Asia, one of the 8 entries this site files under that subregion. Its full official name is Republic of Korea. Government sits in Seoul.
The population is about 51.8 million, placing it 29th of 250 by population — between Colombia above it and Sudan below. Within Eastern Asia alone it is the 5th largest of 8 and the 3rd most populous.
The land area is 100,210 km², which ranks it 110th of the 250 countries and territories in this dataset — just behind Iceland and just ahead of Hungary. That makes it almost exactly the same size as Iceland.
How crowded South Korea is, and what is spoken there
Population divided by land area gives roughly 516 people per square kilometre, which makes it densely populated. The median across all 250 entries here is about 90 per square kilometre.
Officially it is monolingual: Korean. It shares that with North Korea.
Someone from South Korea is a South Korean.
Against Asia as a whole it is the 13th most populous of 50 entries, and it accounts for 3.1% of everyone living in Eastern Asia.
How big is South Korea, really?
Put next to every other entry on this site, South Korea ranks 110th of 250 by area and 29th by population. That works out at 0.067% of the combined land area of all 250 entries and 0.64% of their combined population. Those denominators matter: this list includes territories and dependencies as well as UN member states, so a rank here is not the same as a rank among sovereign countries.
For a sense of scale, the entries immediately either side of South Korea in the size ordering are Iceland at 103,000 km² and Hungary at 93,028 km², against South Korea's 100,210 km². If you can already picture one of those, you can picture this one.
Density tells a different story from either raw figure. South Korea averages 516 people per square kilometre of total area, which makes it densely settled by global standards — 26th of the 248 entries that have both a population and a measured area. Total area includes inland water, so the true figure for habitable land is higher than this.
South Korea at a glance
- Capital
- Seoul
- Population
- 51,751,065
- Area
- 100,210 km²
- Region
- Eastern Asia, Asia
- Languages
- Korean
- Currency
- South Korean won (KRW)
- Calling code
- +82
- Internet TLD
- .kr
- People per km²
- 516
South Korea within Eastern Asia
Zoom in from the world to Eastern Asia and South Korea sits 3rd of 8 by population and 5th by area. Its immediate company in that ordering is Japan just above and North Korea just below, which is a more honest comparison set than a global league table.
China is the largest of the group by population, and every entry in Eastern Asia has its own page here if you want to work through the whole neighbourhood rather than one country at a time.
Geography and neighbours of South Korea
Its reference point sits at 37.0° north and 127.5° east, which puts it in the northern hemisphere, roughly 4,119 km from the equator, in what geographers would call temperate latitudes.
Countries on the same parallel, far away in longitude, include the United States, Türkiye and Syria.
It borders 1 neighbour: North Korea.
It has both a coastline and land borders, which is the most common arrangement of all.
Where South Korea is on the map
The map below is centred on South Korea at roughly 37.00°, 127.50°. Pan and zoom to see how it sits against its surroundings — the shape of a country's borders explains a surprising amount about its history.
Map data © OpenStreetMap contributors
Countries bordering South Korea
South Korea shares a land border with 1 country: North Korea. Each one has its own guide here.
Money and language in South Korea
The South Korean won (KRW) is used only in South Korea among the 250 entries on this site. Its own currency is one of the clearest markers of an economy that sets its own monetary policy rather than importing somebody else's.
Language reaches wider still. Korean is listed for 2 entries here, South Korea among them, so a visitor who speaks it can be understood across a large part of the map. Shared language tends to outlive the empires, trade routes and migrations that spread it, which is why the linguistic map and the political one rarely line up.
Also lists Korean among its languages:
Useful reference details
Money there is the South Korean won (â‚©, KRW). It is issued for South Korea alone.
Websites there use the .kr domain. Calls from overseas start with +82. Standard country codes: kr and KOR.
Seoul is the city to remember for this country.
South Korea is one of the 193 UN member states in this dataset. The other 57 entries are territories, dependencies or observers, which is why totals on this site run to 250 rather than the familiar 195.
South Korea codes and abbreviations
Every country carries a small set of codes that quietly run the practical world — phone networks, web addresses, passports, luggage tags and dropdown menus. Here are South Korea's, and what each one is actually for.
- Calling code+82
- Dial +82 after your international access code to reach a number in South Korea.
- Internet domain.kr
- .kr is the country-code top-level domain, so a web address ending in it is registered to South Korea.
- ISO two-letter codekr
- Used on vehicle plates, in currency pairs and in almost every dropdown list of countries.
- ISO three-letter codeKOR
- The form you will see on passports, at airports and in sports scoreboards.
- DemonymSouth Korean
- The correct word for a person from South Korea, and for the adjective form.
Fun facts about South Korea
- Websites based there use the .kr domain.
- Ranked by land area, South Korea is 110th out of the 250 countries and territories on this site.
- It is 29th of 250 by population, with about 51.8 million residents.
- In land area it is almost exactly the same size as Iceland.
- The South Korean won is used here and nowhere else on this list.
- It lies about 4,119 km from the equator, in temperate latitudes.
- People from South Korea are known as South Koreans.
- Korean is official here and in 1 other entry worldwide.
South Korea — frequently asked questions
- What is the capital of South Korea?
- The capital of South Korea is Seoul.
- How big is South Korea?
- South Korea covers 100,210 km², ranking 110th of 250 by land area. That makes it almost exactly the same size as Iceland.
- Where is South Korea located?
- South Korea is in Eastern Asia, part of Asia. Its reference coordinates are 37.0° north and 127.5° east, roughly 4,119 km from the equator in temperate latitudes.
- What language is spoken in South Korea?
- The official language of South Korea is Korean. It is also official in 1 other entry on this list.
- Is South Korea a country?
- Yes. South Korea is a sovereign state and one of the 193 UN members listed on this site.
- What currency does South Korea use?
- South Korea uses the South Korean won, written â‚© (currency code KRW). No other entry in this dataset uses it.
- Which countries border South Korea?
- South Korea borders 1 country: North Korea.
- What is the population of South Korea?
- South Korea has a population of about 51.8 million, which makes it the 29th most populous of the 250 countries and territories listed on this site. Colombia sits just above it and Sudan just below.