South Korea has a highly developed mixed economy. By nominal GDP, the economy was worth (US$1.87 trillion). It has the 4th largest economy in Asia and the 13th largest in the world as of 2025. South Korea is notable for its rapid economic development from an underdeveloped nation to a developed, high-income country in a few decades. This economic growth has been described as the Miracle on the Han River, which has allowed it to join the OECD and the G20. It is included in the group of Next Eleven countries as having the potential to play a dominant role in the global economy by the middle of the 21st century. Compared to other OECD members, South Korea has a smaller welfare state and spends less on its social security system; social expenditure stood at roughly 15.5% of GDP. South Korea spends around 4.93% of GDP on advanced research and development across various sectors of the economy.
South Korea's investments in education have been credited for rapidly growing its economy. South Korea began to adapt an export-oriented economic strategy in the 1960s to fuel its economy. In 2022, South Korea was the ninth largest exporter and ninth largest importer in the world. The Bank of Korea and the Korea Development Institute periodically release major economic indicators and economic trends of the economy of South Korea.
Financial institutions such as the International Monetary Fund have noted the resilience of the South Korean economy against various economic crises. They cite the country's economic advantages as reasons for this resilience, including low state debt and high fiscal reserves that can quickly be mobilized to address any expected financial emergencies. South Korea was one of the few developed countries that was able to avoid a recession during the Great Recession. South Korea's economy relies significantly on semiconductor and other AI-related gear exports, which account for around 40% of its total exports. The ratio of South Korea's exports to GDP is 46%. Consumption, by contrast, plays a relatively small role, accounting for 40% of South Korea's GDP.
Despite the South Korean economy's high growth and structural stability, South Korea's credit rating in the stock market has been damaged due to North Korea in times of military crises. The recurring conflict affects the financial markets of its economy. The South Korean economy faces challenges due to a declining and aging population, with a fertility rate among the lowest in the world, as well as economic competition from China. Additionally, economic growth is increasingly concentrated in a small number of tech-related companies, with smaller businesses that account for 60% of employment seeing slower growth.
History
1940s-1950s: Post-colonization and Korean War
Japan industrialized Korea during its colonization for use as a supply base during its invasion of other countries. Heavy industry, however, was concentrated in northern Korea. So when the Republic of Korea was established in 1948, the country had a surplus of light industry facilities but lacked in others, such as power plants. Although some were nationalized and collectivized at first, almost all industries vested by Japanese colonialists were "gradually distributed to private entities until 1962".
After North Korea's "aggressive agricultural land reform", the Rhee administration followed by enacting the Act on Agricultural Land Reform to reduce ownership inequality. The South's plan was more conservative, expropriating through compensation and sales. By 1951, most agricultural land was redistributed and became self-cultivated.
The US started providing South Korea with aid in 1945, which was used to import "consumer goods and basic industrial products". The US forced Korea to use aid money to purchase Japanese products in order to help reconstruct the Japanese economy. Much of the aid was corruptly appropriated, some by future chaebol founders. Park Chung Hee would later use this fact to force the cooperation of the wealthy.
Rhee made "common" (elementary) education compulsory in 1949. But as the government lacked funds, schools were largely established and funded privately.
Mining and manufacturing production increased until the beginning of the Korean War, in which millions died and most production facilities were destroyed.
After the Korean War, the Rhee administration regulated imports to encourage import substitution industrialization. A recession began in the late 1950s as reconstruction and US aid slowed.
1960s-1980s: Industrial expansion under military rule
Having taken power in a military coup in 1961, the Park Chung Hee regime created the Economic Planning Board (EPB). South Korea's economic growth strategy in the early 1960s relied on "labor-intensive manufactured exports" due to the country's "poor natural resource endowment, low savings rate, and tiny domestic market". Government initiatives (such as encouraging foreign capital inflows) accelerated industrialization, export growth, and associated rises in income. Through the model of export-led industrialization, the South Korean government incentivized corporations to develop new technology and upgrade productive efficiency to compete in the global market. By adhering to state regulations and demands, firms were awarded subsidization and investment support to develop their export markets in the evolving international arena. Although Park was more interested in heavy industries, the EPB emphasized the development of light industries early on. Hence, the government encouraged textile firms with incentives to export. Textiles grew to 41 percent of total exports by 1965. In 1965, the Park government normalized diplomatic relations with Japan, creating an avenue for exports, supplier relationships, and technology transfer. The move was unpopular domestically, but it provided hundreds of millions of US dollars in loans and colonization compensation that the Park administration needed for its economic development plan. Although the south was initially the poorer state, South Korea's rate of growth exceeded North Korea's rate of growth in most industrial areas in the early 1960s.
Seoul's strategic emphasis on industry and exports led income disparities to grow between the industrial and agricultural sectors by the 1970s, although the government attempted to mitigate rural underdevelopment. In 1971, high grain prices were introduced alongside the Saemaul Undong. By 1970, South Korea had become a major exporter of light manufactured goods such as textile and apparel products, footwear, women's accessories, and electronics products. But due to "increasing competition and protectionism from other developing countries", the government began to change its focus from "low value-added and labor-intensive products". Beginning in 1973, South Korea's government used its National Investment Fund and the Korea Development Bank to invest large amounts of money into what Park Chung Hee's government viewed as the six strategic industries: steel, non-ferrous metals, shipbuilding, industrial machinery, electronics, and petrochemicals. This developmental approach was frequently criticized at the time from outside Korea, including by the World Bank. The strategy helped develop companies like Samsung and POSCO and reduced input costs for production in downstream industries as well. The steel and shipbuilding industries, in particular, played key roles in developing South Korea's economy during this time. The industrial transition, however, occurred amidst an oil shock, a recession, and increased foreign protectionism. And although South Korea's average income had risen, "increasingly inequitable income distribution" fed "popular dissatisfaction" throughout the decade. Amidst such conditions, Park's assassination in 1979 would be followed by a period of political upheaval.
In 1980, the Korea Fair Trade Commission was created alongside new antitrust law. South Korea's economy would temporarily decline into negative growth in 1980, unseen since 1962. Seoul controlled inflation in the 1980s through "conservative monetary policy and tight fiscal measures". Money supply was halved to 15 percent and the government budget was briefly frozen. Competition was promoted through the liberalization of import and foreign investment policies. Seoul invested in public projects and farm mechanization to address inequality. In 1985, the Plaza Accord led to the increased international price competitiveness or Korean goods compared to Japan's. By the late 1980s, South Korea's growth was increasing, inflation returned below double digits, and its balance of payments recorded surpluses. At the end of the 1980s, South Korea began to plan a shift to high-technology industries. 1990s-2000s: Globalization and crises South Korea joined the World Trade Organization in 1995. However, the country's rice import system was permitted to receive special treatment until 2014. After that point, South Korea would switch to a tariff-rate quota. South Korea joined the OECD in 1996. The resulting financial liberalization measures led to domestic firms and banks issuing "large amounts of short-term debt denominated in US$ to finance long-term domestic projects". Expanding aggressively, many South Korean companies became highly leveraged. Multiple chaebol began going bankrupt in early 1997.
The 1997 Asian financial crisis began after several other Asian currencies were attacked by speculators. The Korean won started to depreciate in August 1997. The problem was exacerbated due to non-performing loans at many of Korea's merchant banks. By December 1997, the IMF had approved a US$21 billion loan, which would be part of a US$58.4 billion bailout plan. The conditions of the bailout's structural adjustment program led the financial crisis to be called the 'IMF crisis' in South Korea. The Kim Dae-jung government, elected at the end of 1997, actively coordinated economic structural reforms. By January 1998, the government had shut down a third of Korea's merchant banks. More corporate groups went into bankruptcy as the economy went into recession in 1998. After Daewoo's default triggered "the collapse of the commercial paper markets", it was dismantled by the government in 1999 due to debt problems.
Much of South Korea's recovery from the 1997 Asian financial crisis can be attributed to labor adjustments (i.e. a dynamic and productive labor market with flexible wage rates) and alternative funding sources. By the first quarter of 1999, GDP growth had risen to 5.4%, and strong growth thereafter combined with deflationary pressure on the currency led to a yearly growth of 10.5%. In December 1999, President Kim Dae-jung declared the currency crisis over.
After the bounce back from the 1997 Asian financial crisis, the economy continued strong growth in 2000 with a GDP growth of 9.08%. In 2001, South Korea repaid its loan to the IMF. South Korea's economic growth slowed in 2001, worsened by global economic conditions partially attributable to the September 11 attacks in the United States. By 2002, rating agencies "steadily upgraded Korea's sovereign debt ratings" in recognition of the country's progress in financial and corporate reform. Led by industry and construction, growth in 2002 was 5.8%. The economy stabilized and maintained a growth rate of between 4–5% from 2003 onwards.
South Korea's first free trade agreement was signed in 2003 with Chile, despite protests from local farmers.