Country Profile: Korea, South
South Korea, officially the Republic of Korea (ROK), is a high-income, export-driven economy situated in East Asia on the southern half of the Korean Peninsula, bordered by the Sea of Japan and the Yellow Sea. The country has a population of over 51 million, predominantly Korean, with a notable urbanization rate of 81.5%. South Korea's governance is characterized by a presidential republic structure, facing unique geopolitical challenges due to its division from North Korea. Despite these challenges, South Korea has established itself as a global technological leader with a robust economy, particularly in manufacturing sectors like semiconductors and automobiles.
Geography
South Korea covers an area of 99,720 sq km, which is slightly smaller than Pennsylvania. The geographic terrain is predominantly hilly and mountainous, with significant coastal plains located in the west and south. The climate is temperate, experiencing heavier rainfall in summer and cold winters.
- Elevation: Highest point is Halla-san at 1,950 m.
- Coastline: Extensive 2,413 km of coastline.
- Natural resources: Includes coal, tungsten, and hydropower potential.
- Land use: Forests cover 64.4% of the land area (2023).
People and Society
The population of South Korea is estimated at 51,486,343 in 2025, with a balanced sex ratio. The majority of the population identifies as ethnically Korean, and the living standards are reflected in a life expectancy of 83.4 years. South Korea exhibits a rich cultural tapestry, with a blend of traditional and modern practices.
- Urban population: 81.5% of the total population is urbanized (2023).
- Median age: 47 years (2025).
- Total fertility rate: A low rate of 0.68 children per woman (2025).
- Languages: Predominantly Korean, with English widely understood.
Economy
South Korea boasts a high-income, technology-oriented economy driven mainly by manufacturing industries. Despite recent slow growth due to various factors, including political instability, the country remains one of the world's largest economies.
- GDP (PPP): Approximately $2.607 trillion (2023).
- Real GDP growth rate: Projected at 1.4% (2023).
- Unemployment rate: Stable at 2.7% (2024).
- Exports: Account for 44% of GDP (2023), with major exports including integrated circuits and automobiles.
Government
The government of South Korea is a presidential republic with a robust democratic framework. The current president is LEE Jae-myung, who took office in June 2025. The legislative body is the National Assembly, which consists of 300 seats filled through direct elections.
- Capital: Seoul, also the historical capital of unified Korea.
- Suffrage: Universal at 18 years of age.
- Judicial system: Mixed system influenced by European civil law and Anglo-American law.
Military and Security
South Korea maintains a significant military presence, primarily focused on the threat from North Korea. The Armed Forces consist of approximately 500,000 active personnel across various branches. Military expenditure accounts for 2.3% of GDP in 2025.
- Mandatory service: All men aged 18-35 are subject to compulsory military service.
- Key deployments: Troops engaged in international missions in Lebanon and South Sudan.
Energy
South Korea's energy sector is heavily reliant on fossil fuels, with 61.5% of its electricity generated from such sources. The country is also significantly investing in nuclear energy, contributing 30.3% of total installed capacity.
- Electricity consumption: Reached 575.359 billion kWh in 2023.
- Nuclear reactors: 26 operational reactors as of 2025.
- Electricity access: 100% of the population has electricity access (2022).
Environment
South Korea faces several environmental challenges, including air pollution in urban areas and water pollution from industrial activities. The country is active in various international environmental agreements focused on global climate policy.
- Urban waste recycling: Approximately 67.1% of municipal solid waste recycled (2022).
- Natural resources management: Strategic policies for sustainable practices implemented.
Transportation
The transportation infrastructure in South Korea is highly developed, featuring extensive railroads, a robust road network, and busy air travel systems.
- Airports: 92 airports operational (2025).
- Railways: Total length of 3,979 km (2016).
- Merchant marine: Consists of 2,149 vessels (2023).
Communications
South Korea is known for its advanced communication systems, with high mobile and internet penetration rates.
- Internet users: 97% of the population (2023).
- Mobile subscriptions: 89.2 million, equating to 173 subscriptions per 100 inhabitants (2024).
- Fixed line subscriptions: Approximately 22.155 million (2023).
Key Metrics
| Metric | Value | Note |
|---|---|---|
| Population | 51,486,343 (2025 est.) | Total population |
| Area | 99,720 sq km | Total area |
| GDP (PPP) | $2.607 trillion | Estimated in 2023 |
| Unemployment rate | 2.7% | 2024 estimate |
| Life expectancy at birth | 83.4 years | Expected in 2024 |
| Birth rate | 4.29 births/1,000 people | 2025 estimate |
| Urban population | 81.5% | Of total population (2023) |
| Total fertility rate | 0.68 children/woman | 2025 estimate |
| Military expenditures | 2.3% of GDP | Military spending (2025 est.) |
| Electricity access | 100% | Percentage of population (2022 est.) |
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