South Korean Regional GDP: An Analysis of Economic Performance by Province and City
Understanding the economic landscape of South Korea requires a closer look at how wealth is distributed across its various administrative divisions. While the nation is known for its rapid industrialization, the economic output varies significantly between major metropolitan hubs and rural provinces. By examining Gross Domestic Product (GDP)—the total monetary value of all finished goods and services produced within a specific region—we can identify the primary engines of the South Korean economy.
This analysis utilizes the latest regional statistics provided by the South Korean Government to compare the economic strength of provinces and cities through both nominal GDP and per capita metrics. We also examine Purchasing Power Parity (PPP), which is an economic metric used to compare the relative value of currencies by adjusting for the cost of living and inflation rates in different regions.

Key Facts
- Gyeonggi Province holds the highest nominal GDP among all provinces at US$ 455.992 billion.
- Seoul is the leading economic center among cities, with a nominal GDP of US$ 402.525 billion.
- Ulsan boasts the highest GDP per capita (PPP) at US$ 108,436.
- South Chungcheong Province leads the provinces in per capita GDP (PPP) at US$ 86,243.
- Economic output is highly concentrated in the Gyeonggi and Seoul metropolitan areas.
Economic Breakdown by Province
The provinces of South Korea show a diverse range of economic activities. Gyeonggi Province stands out as the dominant economic force, likely due to its proximity to the capital and its dense industrial and residential infrastructure. Following Gyeonggi, South Gyeongsang and South Chungcheong provinces represent significant contributors to the national economy.
While some provinces have higher total outputs, others show exceptional efficiency in terms of wealth per resident. For instance, South Chungcheong Province maintains a high per capita GDP (PPP), suggesting a highly productive economic environment relative to its population size.

Provincial Economic Data Summary
| Rank | Province | GDP (US$ Billions) | Per Capita (US$ PPP) |
|---|---|---|---|
| 1 | Gyeonggi Province | 455.992 | 59,817 |
| 2 | South Gyeongsang | 105.869 | 59,249 |
| 3 | South Chungcheong | 105.477 | 86,243 |
| 4 | North Gyeongsang | 94.289 | 66,565 |
| 5 | South Jeolla | 72.780 | 75,321 |
| 6 | North Chungcheong | 64.256 | 71,695 |
| 7 | North Jeolla | 46.754 | 48,341 |
| 8 | Gangwon Province | 45.231 | 54,175 |
| 9 | Jeju Province | 18.850 | 50,803 |
Economic Breakdown by City
When looking at major cities, the concentration of wealth in Seoul is striking. As the capital, Seoul serves as the primary financial and administrative hub. However, other cities like Incheon and Busan also play critical roles in the nation's maritime and industrial sectors.
A notable outlier in the city rankings is Ulsan. Although its total GDP is lower than that of Seoul or Incheon, its per capita GDP (PPP) is significantly higher than any other city or province listed, indicating an extremely high level of economic productivity per person.
City Economic Data Summary
| Rank | City | GDP (US$ Billions) | Per Capita (US$ PPP) |
|---|---|---|---|
| 1 | Seoul | 402.525 | 77,915 |
| 2 | Incheon | 87.914 | 52,423 |
| 3 | Busan | 84.747 | 47,252 |
| 4 | Ulsan | 65.769 | 108,436 |
| 5 | Daegu | 52.167 | 39,933 |
| 6 | Daejeon | 39.409 | 48,647 |
| 7 | Gwangju | 38.386 | 47,953 |
| 8 | Sejong | 12.153 | 56,780 |
Frequently Asked Questions
Which region in South Korea has the highest total GDP?
Gyeonggi Province has the highest nominal GDP among the provinces, valued at US$ 455.992 billion. Among cities, Seoul leads with a GDP of US$ 402.525 billion.
Which city has the highest wealth per person?
Ulsan has the highest GDP per capita (PPP) in South Korea, reaching US$ 108,436.
What is the difference between nominal GDP and GDP per capita (PPP)?
Nominal GDP measures the total economic output of a region using current market prices. GDP per capita (PPP) measures the economic output per person, adjusted for the cost of living and inflation to allow for a more accurate comparison of living standards.
How does the economy of Seoul compare to other cities?
Seoul is the largest economic hub by total volume, with a GDP of US$ 402.525 billion, which is significantly higher than the next closest city, Incheon (US$ 87.914 billion).
Is there a significant difference between provincial and city wealth?
Yes, there is significant variation. While provinces like Gyeonggi have massive total outputs, specific cities like Ulsan show much higher individual wealth (per capita) compared to most provincial averages.