Debt Consolidation Basics in Japan

Debt consolidation — おまとめローン in the Japanese market — replaces several debts with one. Done right it lowers the rate and the administration; done wrong it lowers the payment and raises the price. The difference between the two outcomes is one comparison most borrowers never run, and it takes about a minute with the right tool.

What an おまとめローン actually is

Banks and licensed consumer lenders both offer consolidation loans: a new loan sized to settle your existing balances — card loans, credit card revolving, a car loan — leaving one payment to one lender. The candidate virtues are real: a single rate instead of several, a payment date instead of four, a balance you can actually see, and often a lower rate, because a documented repayment of existing debt reads as lower risk than the debts it replaces. Consolidation also changes your legal position in ways worth knowing: bank consolidation loans sit outside the money-lender rules in a way the replaced consumer-lender debts may not have.

The one comparison that decides everything

A consolidation offer is two schedules: the debts you have, and the loan replacing them. The only honest way to judge it is total repayment, at the term offered, versus the total repayment of the existing debts at their own remaining terms — every yen, both sides. Monthly payment comparisons mislead by design: stretching three years of remaining debt into a seven-year loan cuts the payment dramatically and raises total interest just as dramatically, because the term does more damage to the total than the rate does to repair it. The debt consolidation calculator runs exactly this comparison — balances, rates and remaining terms on one side, the new loan on the other, with the monthly difference and the total-cost difference side by side.

When consolidation helps — and when it hurts

• Helps: the new rate is genuinely lower than the weighted rate of the existing debts, at a term no longer than what remains; or the payment relief is the difference between keeping up and defaulting — a legitimate reason on its own.
• Hurts: the term lengthens materially at a similar rate; upfront fees eat the rate saving; or the freed-up card limits tempt the balances back — the classic failure, which Japanese lenders watch for and which bureaus (JICC, CIC, KSC) make visible.
• Irrelevant: if the existing debts already carry low rates and short remaining terms, consolidation is administration, not economics. Skip it.

The rules that frame the decision

Two legal boundaries shape Japanese consolidation. The Interest Restriction Act caps consumer-loan interest at 20% below ¥100,000, 18% to ¥999,999 and 15% at ¥1,000,000 and above — so a consolidation offer above the cap for its size deserves a hard question. The total quantity rule (総量規則) caps licensed money lenders' unsecured credit at one third of annual income — which is why a consolidation loan from a money lender may not exceed that ceiling, and why bank consolidation loans, sitting outside the rule, dominate the larger end of the market. Neither rule caps what you pay in total; only the term comparison does that.

If consolidation is not the answer

Often the cheapest route out of several debts is not a new loan but an ordering of the old ones: attack the highest-rate balance first while paying minimums elsewhere, then roll that payment onto the next balance — the arithmetic the credit card calculator makes visible when you price a fixed payment against a minimum. Extra payments land hardest on the highest-rate debt because interest accrues on the daily balance. And before committing either way, run the loan affordability calculator so the payment you are consolidating toward is one your income actually sustains. The companion guides on how interest is charged and how repayments work supply the machinery underneath.