Capital Region Household Debt Hits Record High for 30s and 40s

Seoul Household Debt Reaches Record High Among 30- and 40-Year-Olds

Household debt among people in their 30s and 40s living in the greater Seoul metropolitan area has climbed to its highest level on record, driven largely by a sharp increase in mortgage borrowing. The average debt load for a 40-something borrower in the capital region approached 140 million Korean won by the second quarter of 2025, while borrowers in their 30s surpassed 120 million won, according to data submitted by the Bank of Korea to lawmaker Moon Jin-seok of the Democratic Party and reported by Special Economy.

Rising Mortgage Balances Push Middle-Aged Borrowers Toward Peak Leverage

The average household debt balance for a 40-year-old borrower in the capital area reached 139.77 million won in the second quarter. That figure represents a 76.1% increase from the 79.39 million won recorded in the first quarter of 2013, marking 14 quarters of growth starting from early 2023. For borrowers in their 30s in the same region, the average debt jumped 2.25 times over the same period, climbing from 54.67 million won to 123.17 million won. Within Seoul proper, the numbers are even higher, with 40-something borrowers averaging 152.65 million won and 30-somethings averaging 127.54 million won.

Housing purchases fueled the expansion. Across South Korea, the average mortgage balance for a borrower in their 30s hit 234.19 million won in the second quarter of 2025, a 2.67-fold increase compared to 2013. Borrowers in their 40s saw their average mortgage grow from 95.95 million won to 185.86 million won over the same timeframe. Consequently, younger and middle-aged demographics have overtaken older generations like 50- and 60-year-olds as the primary holders of household debt.

Contrasting Trends in Unsecured Lending and Regional Debt Gaps

While mortgages expanded, unsecured borrowing and the debt levels of younger borrowers in their 20s moved in the opposite direction. The average unsecured loan balance for 30-something borrowers dropped to 32.97 million won in the second quarter, representing a 17.7% decline from its peak in the third quarter of 2022. Similarly, the average household debt for 20-somethings in the capital area fell 20.7% to 37.43 million won, down from a peak of 47.19 million won.

Regional disparities remain pronounced. Capital-region 40-year-olds carry 41.07 million won more in average debt than their counterparts in the southwestern Honam region, where the average stands at 98.7 million won. Meanwhile, average debt for 30-something borrowers crossed the 100-million-won threshold in the southeastern, Chungcheong, and Daegu-Gyeongbuk regions, showing that debt accumulation among younger adults has spread nationwide.

Economic Risks and Policy Warnings From Financial Experts

Economists and lawmakers are raising concerns over the concentration of debt among prime economic actors. Moon Jin-seok stressed the urgent need for tailored debt management policies that account for the actual repayment capacities of different age brackets.

Frequently Asked Questions About South Korea Household Debt

What specific loan products are driving the debt increase for 30- and 40-year-olds?

The growth is driven primarily by home-backed mortgages rather than unsecured loans. National mortgage balances for borrowers in their 30s and 40s more than doubled between 2013 and 2025 as buyers financed real estate purchases in the capital region.

How do borrowing levels in Seoul compare with other regions in the country?

Borrowers in Seoul and the surrounding capital area carry substantially larger debt loads than those in rural or provincial areas. For instance, 40-year-old borrowers in the capital region hold roughly 41 million won more in average debt than counterparts in the Honam region.

Are younger adults in their 20s also increasing their borrowing?

No, the debt held by 20-somethings in the capital region has decreased since peaking earlier in the decade, falling 20.7% from its high of 47.19 million won down to 37.43 million won by the second quarter of 2025.

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