The South Korea Financial Supervisory Service published data on domestic banks’ won-denominated (WD) loan delinquency, showing an end-September 2025 rate of 0.51% for loans past due by at least one month. This was down 0.10 percentage points from 0.61% a month earlier but up 0.06 percentage points from 0.45% a year earlier; newly delinquent loans fell by KRW 0.4 trillion month on month while resolved loans increased by KRW 3.0 trillion. By segment, business-loan delinquency declined to 0.61% from 0.73% in August, including a drop in large-company loans to 0.12% from 0.15% and a 0.14 percentage point fall in small and medium-sized enterprise loans to 0.75%. Household-loan delinquency eased to 0.39% from 0.45%, with mortgage loans at 0.27% and unsecured loans at 0.75%.