How bonuses work in Japan

twice a year, counted in months of salary, and not required by law

A Japanese employment offer is usually quoted as a monthly salary plus a bonus, and the bonus is a large part of the total. It is also the part foreign candidates most often misread, because nothing in Japanese law requires an employer to pay one.

This page explains the rules. For the numbers — what bonuses actually pay — see the benchmark page.

It is contractual, not statutory

There is no statutory bonus in Japan. A bonus is owed only if the employer's work rules (shugyo kisoku), the employment contract, or a collective agreement say so — and those documents usually reserve discretion over the amount.

In practice most established employers pay one, and the market treats it as part of normal compensation. But an employer that stops paying is not necessarily in breach, and start-ups and foreign-owned firms in Japan often pay none at all, offering a higher monthly salary instead.

Twice a year, in months of base pay

The usual schedule is two payments a year: summer, typically late June or early July, and winter, typically early to mid December. Some employers add a third settlement payment after the fiscal year ends.

Amounts are quoted as a multiple of monthly base pay — "4.5 months" means 4.5 times the base, not 4.5 times take-home. Allowances (commuting, housing, overtime) are normally excluded from the base used for this calculation, so the bonus is smaller than the multiple first suggests.

Eligibility usually depends on the payment date

Work rules commonly require the employee to still be employed on the payment date, and to have been employed for the whole assessment period. Someone who joins in April may receive a reduced summer bonus or none, and someone who resigns in November may lose the winter one entirely. This is the single most expensive detail to overlook when timing a resignation.

Tax and social insurance

Bonuses are subject to income tax withholding and to social insurance contributions (health insurance and employees' pension), calculated on a standard bonus amount with statutory caps. They are not tax-free, and the deduction rate is broadly comparable to monthly salary.

Because contributions are capped per payment, very large single bonuses attract proportionally less social insurance than the same amount spread across the year — one reason the two-payment structure persists.

Common questions

Are bonuses required by law in Japan?

No. A bonus is owed only if the employer's work rules, the employment contract or a collective agreement provide for one, and those documents usually reserve discretion over the amount.

Do I lose my bonus if I resign before it is paid?

Usually yes. Work rules commonly require the employee to still be employed on the payment date, and Japanese courts treat that condition as valid. Check the payment date and the work rules before setting a resignation date.

How often are bonuses paid in Japan?

Twice a year is standard: summer, typically late June or early July, and winter, typically early to mid December. Some employers add a third payment after the fiscal year ends.

What does "4.5 months" mean for a Japanese bonus?

It means 4.5 times monthly base pay. Allowances such as commuting, housing and overtime are normally excluded from that base, so the amount is smaller than the multiple first suggests.

Before you rely on this

This is a summary, not legal advice. Japanese employment law changes, and several of the rules above were phased in on different dates for large and small employers. Check the current text, or take advice, before acting on it.
Work rules matter as much as statute. Bonuses and retirement payouts are set by the employer's own rules, so two employers in the same industry can differ enormously while both complying fully with the law.

Other guides

Bonuses ・ Retirement lump sums ・ Graduate hiring ・ Paid leave ・ Overtime ・ Parental leave ・ Women in management ・ Reading salary figures ・ Contracts and dismissal ・ Annual securities reports ・ all guides.

Sources: Labour Standards Act (Act No. 49 of 1947) / Health Insurance Act / Employees' Pension Insurance Act. Summarised by Corpus; not provided or endorsed by any government agency. The figures behind the linked benchmark pages come from Japanese government statistics and company disclosure — see all benchmarks.