A 14-year-old student in Busan borrowed about KRW 2 million — roughly US$1,350 — from 41 classmates. By the time his case was discovered, he had moved around KRW 26 million, or US$17,600, through illegal gambling sites.

He was not caught in a raid. He entered a programme asking teenage gamblers to report themselves to the police.

South Korea opened its 청소년 사이버도박 자진신고 — youth cyber-gambling self-reporting — period on May 18. Anyone under 19 who has gambled online, or their guardian, can contact the 117 hotline. Reports are confidential, parents participate after the initial contact, and minor cases may receive warnings or other reduced measures instead of standard prosecution. The programme runs until August 31.

By July 14, police had received 806 reports. Teenagers submitted 629 themselves, while parents or guardians made the other 177. The first month produced 294 reports; the second produced 512, an increase of 74.1%.

That does not mean youth gambling increased by 74% in one month. Police believe publicity and growing awareness helped bring previously hidden cases forward. The number measures participation in the amnesty, not the changing prevalence of gambling among Korean teenagers.

The cases disclosed by police show how quickly an individual gambling problem can spread through a family or school.

The Busan student borrowed from 41 classmates. Another teenager secretly used a parent’s phone to transfer approximately KRW 30 million — around US$20,300 — from the family bank account into gambling sites.

In Hwaseong, an 18-year-old borrowed KRW 5 million, approximately US$3,400, from more than ten illegal lenders. Police said the loans carried interest equivalent to as much as 200% a year. He eventually reported both his gambling and the intimidation used to collect the debt.

These are not stories of teenagers casually betting with pocket money. They show a chain that can move from gambling to peer debt, theft, 불법사금융 — illegal private lending — and coercive collection.

The case involving 41 classmates is especially revealing.

Once a student begins borrowing from other children, the damage no longer remains inside one betting account. The classroom becomes an informal financing network. Friends may lend small amounts without understanding their purpose or the scale of the problem, while teachers and parents may notice only after the debts have multiplied.

The police scheme may therefore reveal something that arrests cannot: how gambling debt travels through schools and families before it becomes visible to the authorities.

School police officers — 학교전담경찰관, commonly known as SPOs — were the main route into the programme. Police figures reported by Korean media show that their education and guidance accounted for 528 of the 806 reports.

After a report, an SPO and a gambling-treatment counsellor assess the teenager. Depending on the result, the student can be connected with specialist treatment. Cases involving illegal lending can also be referred to financial regulators and debt-recovery bodies for help stopping unlawful collection.

Among the 806 cases, 455 involved high-school students and 351 involved middle-school students. Boys accounted for 770 reports, around 95% of the total.

The teenagers had gambled for an average of about ten months. The average amount reported was KRW 3 million — approximately US$2,000 — while the highest individual figure reached KRW 70 million, or roughly US$47,300.

Those figures need context. These teenagers are not a representative sample of every young gambler in South Korea. They are the students and families who reached the point of contacting the police.

The 806 reports therefore do not measure the full size of the country’s youth-gambling problem. They measure the cases that became difficult enough — through debt, theft, family discovery or lender pressure — that hiding them was no longer possible.

The programme treats 자진신고, self-reporting, as an intervention point rather than only an admission of wrongdoing.

Police say decisions take into account the amount gambled, the teenager’s attitude and progress in treatment. Possible outcomes include warnings or summary proceedings, while counselling and follow-up continue through school officers and specialist organisations.

There is already at least one case in which a 17-year-old who reported 18 months of illegal baccarat gambling received a suspended sentence rather than an immediate punishment. It offers an early example of how the system may combine legal accountability with rehabilitation.

The harder question is whether treatment prevents teenagers from returning to gambling after the immediate debt or family crisis has passed.

For now, the programme has exposed something important: illegal online gambling does not remain online. It enters classrooms, family bank accounts and illegal credit markets.

The next test is what happens after a teenager admits that they cannot stop.

USD conversions are approximate, based on the KRW–USD exchange rate on July 22, 2026.

East Asia Reports
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Author — Adrià Mas Rodríguez