Country Profile: Korea, South
South Korea, located in East Asia on the southern half of the Korean Peninsula, is characterized by its strategic position bordered by both the Sea of Japan and the Yellow Sea. The country has a population of approximately 51.5 million, concentrated mainly in urban areas, particularly around the capital, Seoul. South Korea boasts a high-income, technology-driven economy, heavily reliant on manufacturing sectors such as semiconductors and automotive industries. Governed as a presidential republic, the political landscape has evolved through significant historical events, including the Korean War and democratic reforms.
Geography
South Korea covers an area of 99,720 sq km, slightly larger than Indiana and characterized by mountainous terrain and wide coastal plains. The country's climate is temperate with heavier rainfall in the summer and cold winters. Natural resources include coal, tungsten, and hydropower potential, while the population is primarily concentrated in lowland areas such as Gyeonggi Province surrounding Seoul.
- Coastline: 2,413 km
- Land boundaries: 237 km (North Korea)
- Highest point: Halla-san at 1,950 m
- Natural hazards: occasional typhoons and low-level seismic activity
People and Society
With a population of approximately 51,486,343 in 2025, South Korea is homogenous, with Koreans as the predominant ethnic group. The country is highly urbanized, with 81.5% of the population living in urban areas, primarily in cities like Seoul and Busan. The societal structure is increasingly aging, with a median age of 47 years and a significant elderly population.
- Life expectancy: 83.4 years (2024)
- Birth rate: 4.29 births/1,000 population (2025)
- Languages: Korean, English
- Religions: 60% identify as having no religion
Economy
South Korea's economy is a high-income, export-oriented market, with a GDP of $1.713 trillion (2023). The economy has shown slow growth due to various challenges, including an aging workforce and risks associated with global trade. The services sector is dominant, accounting for 58.4% of GDP, followed by industry at 31.6%.
- GDP per capita: $50,400 (2023)
- Unemployment rate: 2.7% (2024)
- Major industries: electronics, automotive, shipbuilding
- Top export partners: China (25%), USA (18%)
Government
South Korea operates as a presidential republic, with Seoul as its capital. The government structure includes a unicameral National Assembly and a president elected for a five-year term. The current president, LEE Jae-myung, took office following a special snap election in 2025. The legal system is a mixture of civil law and Anglo-American principles.
- Administrative divisions: 9 provinces and 6 metropolitan cities
- Suffrage age: 18 years
- Legislative seats: 300 (all directly elected)
Military and Security
South Korea maintains a robust military structure, with approximately 500,000 active personnel. Military expenditures account for 2.3% of GDP (2025). The country focuses primarily on external defense, especially concerning the North Korean threat, and engages in numerous international peacekeeping missions.
- Active duty personnel: 365,000 Army; 70,000 Navy; 65,000 Air Force
- Military alliances: Strong partnership with the US, hosting 28,000 US troops
- Mandatory service obligation: Up to 36 months for men
Energy
The total installed electricity generation capacity in South Korea is 151.139 million kW (2023), with a mix predominantly from fossil fuels and nuclear energy. The country has achieved 100% electrification, ensuring reliable access to electricity nationwide.
- Electricity consumption: 575.359 billion kWh (2023)
- Coal consumption: 136.817 million metric tons (2023)
- Nuclear energy contribution: 30.7% of total electricity production
Environment
Major environmental challenges include air pollution, water pollution from industrial activities, and waste management. South Korea has committed to various international environmental agreements to address these issues.
- Urban population: 81.5% (2023)
- Total renewable water resources: 69.7 billion cubic meters (2022)
- Carbon dioxide emissions: 644.231 million metric tonnes (2023)
Transportation
South Korea's transportation infrastructure includes a well-developed rail system, airports, and a significant merchant marine fleet. The country has 92 airports and an extensive railway network of 3,979 km (2016).
- Merchant marine vessels: 2,149 (2023)
- Civil aircraft registration code: HL
- Railways: 3,979 km total; 2,727 km electrified
Communications
South Korea is a leader in telecommunications, boasting high mobile and internet penetration. Approximately 97% of the population are internet users, with a vast network of fixed and mobile services.
- Mobile cellular subscriptions: 89.2 million (2024)
- Broadband fixed subscriptions: 24.1 million (2023)
- Telephones - fixed lines: 22.155 million (2023)
Key Metrics
| Metric | Value | Note |
|---|---|---|
| Population | 51,486,343 | 2025 estimate |
| Area | 99,720 sq km | Total land area |
| GDP | $1.713 trillion | 2023 estimate |
| Unemployment rate | 2.7% | 2024 estimate |
| Energy consumption | 234.668 million Btu/person | 2023 estimate |
| Birth rate | 4.29 births/1,000 population | 2025 estimate |
| Life expectancy | 83.4 years | 2024 estimate |
| Total renewable water resources | 69.7 billion cubic meters | 2022 estimate |
| Military expenditures | 2.3% of GDP | 2025 estimate |
| Urban population | 81.5% | 2023 estimate |
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