An old man is walking through the Seoul Station Bus Transfer Center. Yonhap News While the number of multiple debtors is showing an overall decline, the aging phenomenon is intensifying, recording a double-digit increase only in the elderly group of 60 years or older. According to data submitted by the office of People Power Party Rep. Lee Heon-seung, a member of the National Assembly's Political Affairs Committee, from the Financial Supervisory Service on the 30th, the number of multiple debtors as of the end of the first quarter of this year was 1,637,532, compared to the end of last year (1,655,461).