Country Profile: Korea, South

South Korea, located in Eastern Asia, occupies the southern half of the Korean Peninsula bordered by the Sea of Japan and the Yellow Sea. With a population of approximately 51.5 million, it is a high-income country characterized by a robust, export-oriented economy driven by advanced technology and manufacturing sectors, notably in semiconductors and automotive industries. The governance structure is a presidential republic, where democratic principles have evolved significantly since the 20th century, reflecting a vibrant political landscape marked by active civic participation.

Geography

South Korea has a total area of 99,720 sq km, featuring a terrain comprised mainly of hills and mountains, along with wide coastal plains in the west and south. It possesses a coastline measuring 2,413 km and shares a land border of 237 km exclusively with North Korea. The climate is temperate, with significant rainfall during summer months and cold winters, contributing to occasional natural hazards such as typhoons and low-level seismic activity.

Highest point: Halla-san at 1,950 m
Lowest point: Sea of Japan at 0 m
Land use: Approximately 64.4% forest cover (2023)
Natural resources: Coal, tungsten, molybdenum
Irrigated land: 7,780 sq km (2012)
Population distribution: High density in Gyeonggi Province, surrounding Seoul

People and Society

The population of South Korea is estimated at 51,486,343 in 2025, primarily composed of ethnic Koreans who predominantly speak Korean, with English as a secondary language. The country exhibits a varied religious landscape, with 60% identifying as non-religious, and others practicing Protestantism (17%) and Buddhism (16%). The median age is 47 years, indicative of an aging population, and the total fertility rate is notably low at 0.68 children per woman.

Urbanization: 81.5% of the population lives in urban areas (2023)
Life expectancy at birth: 83.4 years (2024)
Infant mortality rate: 2.2 deaths/1,000 live births (2025)
Health expenditure: 9.7% of GDP (2022)
Literacy rate: Near total

Economy

South Korea's economy is recognized as high-income and is heavily reliant on exports, particularly driven by the technology sector. As of 2023, the Real GDP (PPP) is estimated at $2.607 trillion, with a growth rate of 1.4% amidst challenges such as an aging workforce and political instability. The country's economic structure is predominantly service-oriented, with 58.4% of GDP derived from services.

GDP per capita: $50,400 (2023)
Unemployment rate: 2.7% (2024)
Exports: Approximately $769.243 billion in 2023
Imports: Approx. $758.41 billion in 2023
Major industries: Electronics, automobile production, shipbuilding

Government

The Republic of Korea operates as a presidential republic, with Seoul as the capital and administrative center. The government comprises a unicameral legislature known as the National Assembly, which consists of 300 elected members. The current president, LEE Jae-myung, was elected in June 2025, continuing the legacy of a democratic political system that has evolved since the late 20th century.

Suffrage: Universal for citizens aged 18 and over
Constitution: Effective from 25 February 1988
Administrative divisions: 9 provinces and 6 metropolitan cities
Political parties: Multiple, including the Democratic Party of Korea (DPK) and the People Power Party (PPP)

Military and Security

South Korea maintains a formidable military presence due to ongoing tensions with North Korea. The active Armed Forces consist of approximately 500,000 personnel, structured into the Army, Navy, and Air Force. Defense spending accounts for 2.3% of GDP as of 2025, with active engagement in international peacekeeping missions.

Military service: Mandatory for men aged 18-35
Major military alliances: Primarily with the United States
Military equipment: Mix of domestic and imported modern weaponry
Personnel deployments: Approximately 250 in Lebanon, 275 in South Sudan (2025)

Energy

Energy generation in South Korea is diverse, with 100% of the population having access to electricity. In 2023, the country’s electricity consumption reached approximately 575.359 billion kWh, largely derived from fossil fuels and nuclear energy, with renewable sources gradually increasing.

Installed capacity: 151.139 million kW (2023)
Electricity generation from nuclear: 30.7% of total (2023)
Coal imports: 122.845 million metric tons (2023)

Environment

South Korea faces significant environmental challenges, including air pollution in urban areas and water pollution from industrial sources. The country is part of numerous international environmental agreements aimed at combating climate change and preserving biodiversity.

Carbon dioxide emissions: 644.231 million metric tonnes (2023)
Recycling rate: 67.1% of municipal solid waste (2022)
Total renewable water resources: 69.7 billion cubic meters (2022)

Transportation

The transportation network in South Korea is well-developed, featuring a mix of railways, roads, and air routes. The country has 92 airports and a total of 3,979 km of railways, facilitating efficient domestic and international travel.

Merchant marine fleet: 2,149 ships (2023)
Ports: 15 active ports including Busan and Incheon

Communications

South Korea boasts an advanced communications infrastructure, with high internet penetration and extensive mobile phone usage. Approximately 97% of the population uses the internet, supported by a robust broadcasting and telecommunications sector.

Fixed-line subscriptions: 22.155 million (2023)
Mobile cellular subscriptions: 89.2 million (2024)
Broadband subscriptions: 24.1 million (2023)

Key Metrics

Metric	Value	Note
Population	51,486,343	2025 estimate
Area	99,720 sq km
GDP (PPP)	$2.607 trillion	2023 estimate
Unemployment Rate	2.7%	2024 estimate
Energy Consumption	575.359 billion kWh	2023
Life Expectancy	83.4 years	2024 estimate
Birth Rate	4.29 births/1,000 population	2025 estimate
Literacy Rate	Nearly total
Urban Population	81.5%	2023 estimate
Military Expenditures	2.3% of GDP	2025 estimate