Japan's Stress Check Mandate Expands to All Employers: What HR Needs to Know for April 2028
Overview
In May 2026, Japan's Ministry of Health, Labour and Welfare (MHLW) announced that the mandatory annual stress check requirement will be extended to all employers — regardless of headcount — from April 2028. This is a significant expansion: the obligation has previously applied only to workplaces with 50 or more employees.
If you are operating a business in Japan with fewer than 50 employees, this change directly affects you. With roughly 23 months until the deadline, now is the right time to understand the requirements and begin building your compliance framework.
1. What Is Japan's Stress Check System?
Japan's stress check system (sutoresu chekku seido) was introduced under the Industrial Safety and Health Act in December 2015. It requires employers to conduct an annual psychological stress assessment for each employee.
The purpose is twofold: 1. Individual benefit — employees learn about their own stress levels before problems escalate 2. Organizational benefit — aggregate (group-level) analysis helps identify departments with elevated stress and drive workplace improvements
Key features
| Item | Details |
|---|---|
| Frequency | At least once per year |
| Survey format | Standardized questionnaire (57-item or 80-item version) |
| Implementer | Must be a qualified professional (physician, public health nurse, or certified nurse/social worker) |
| Individual result disclosure | To the employee only — not shared with the employer without explicit consent |
| Group analysis | Aggregated by team/department (minimum 10 people per group) |
| Documentation | Implementer must retain records; employer must report to the Labor Standards Inspection Office |
2. What Changes in April 2028?
Before April 2028 (current rules)
| Employer size | Obligation |
|---|---|
| 50+ employees | Mandatory (since December 2015) |
| Under 50 employees | Best-effort (doryoku gimu) — encouraged but not legally required |
From April 2028 (new rules)
| Employer size | Obligation |
|---|---|
| 50+ employees | Mandatory (unchanged) |
| Under 50 employees | Mandatory |
| 1+ employee (all employers) | Mandatory |
The amendment to the Industrial Safety and Health Act passed Japan's parliament in May 2025. The MHLW publicly confirmed the April 2028 implementation date in May 2026 through the Labour Policy Council Subcommittee.
3. Who Is Counted as an "Employee"?
The headcount threshold is based on "regularly employed workers" (jojikoyo rodosha).
Included in the count: - Full-time employees - Part-time workers who work 30 hours or more per week - Fixed-term contract workers who work 30 hours or more per week
Not included: - Dispatched workers (counted at their dispatch agency, not the host company) - Freelancers and independent contractors - Workers on extended maternity/childcare leave (treatment varies — check with your sharoushi)
Important: The count is per workplace establishment (jigyosho), not per company. A company with a 30-person head office and a 15-person branch must implement stress checks at both locations separately.
4. Core Compliance Requirements
4-1. Appoint a qualified implementer (jissishi)
The stress check must be conducted under the oversight of a qualified implementer. Eligible qualifications:
- Medical doctor (ishi)
- Public health nurse (hokenshi)
- Nurse or psychiatric social worker who has completed the MHLW-designated training course
For most small employers, the most practical path is to outsource to an external provider who supplies the implementer as part of the service.
4-2. Use a standardized survey instrument
The MHLW prescribes a standardized questionnaire. The most commonly used version is the 57-item Brief Job Stress Questionnaire, measuring three dimensions: - Job stressors (workload, job demands) - Stress responses (psychological, physical) - Moderating factors (support from supervisors, colleagues)
4-3. Notify each employee of their individual result
Results must be provided directly to each employee. The employer cannot access individual results without the employee's explicit written consent.
4-4. Offer high-stress employees a medical interview
Employees whose results indicate high stress must be informed of their right to request a face-to-face consultation with a physician (mensetsu shido). The employer arranges this interview but cannot compel the employee to attend.
4-5. Conduct group analysis and implement workplace improvements
Once individual results are collected, aggregate analysis by team or department should be conducted. Use the findings to identify high-risk areas and make concrete workplace improvements.
4-6. Report to the Labor Standards Inspection Office
Employers with 50+ employees currently report their implementation status annually to their local Labor Standards Inspection Office (rodo kijun kantoku sho). The same reporting requirement is expected to apply to newly covered employers from 2028.
5. Penalties for Non-Compliance
Under the current rules (50+ employees), failure to report implementation status can result in a fine of up to ¥500,000. Similar penalties are expected to apply to all employers once the expanded obligation takes effect.
Beyond legal penalties, the reputational and employee relations costs of ignoring occupational health obligations are increasingly significant in Japan's tight labor market.
6. Estimated Costs
The table below provides rough cost estimates for a workplace with 30 employees using an external provider.
| Cost item | Estimate |
|---|---|
| Stress check implementation (per employee) | ¥1,000–¥3,000 × 30 = ¥30,000–¥90,000/year |
| Physician consultation for high-stress employees (if applicable) | ¥15,000–¥30,000 per session |
| Group analysis report | ¥10,000–¥30,000 |
| Total (assuming 1 high-stress consultation) | approx. ¥55,000–¥150,000/year |
Cost-reduction options: - Bundled contracts: Some sharoushi (labor and social security attorney) offices include stress check support in their monthly retainer fees - Industry association programs: Chambers of commerce and industry associations sometimes offer group purchasing arrangements for small businesses - Web-based systems: Switching from paper questionnaires to an online platform significantly reduces administration costs
7. Finding a Qualified Implementer
For foreign companies or small employers without existing occupational health infrastructure, the following channels help locate qualified stress check providers:
- Your existing sharoushi (labor consultant): Many can either conduct the stress check directly or connect you with a qualified implementer
- External EAP (Employee Assistance Program) providers: Most major EAP providers in Japan offer stress check packages
- Occupational health clinics (sangyo i): Can provide both implementation and physician consultation services
- COCKPITOS: Provides integrated stress check management with multi-language support for workplaces with international employees
When evaluating providers, confirm: - [ ] The implementer holds a qualifying credential - [ ] The service covers both stress check administration and group analysis - [ ] Physician consultation for high-stress employees is available - [ ] Personal data handling complies with Japan's Act on Protection of Personal Information (APPI)
8. Special Considerations for Foreign Companies
8-1. Non-Japanese employees
Japan's stress check obligation applies to all employees, regardless of nationality. If you have employees who do not read Japanese, you will need a translated version of the questionnaire. Some providers offer English, Chinese, Vietnamese, and other language versions.
8-2. Remote and hybrid workers
The stress check can be conducted via web-based systems, making compliance straightforward for remote teams. There is no requirement for in-person survey completion.
8-3. Multinational group structures
If your Japan entity is a subsidiary of a foreign parent company, each Japan legal entity is treated as a separate employer for the purposes of this obligation. Group-level health programs at the parent level do not substitute for Japan's statutory requirement.
9. Recommended Action Timeline
| Timeframe | Action |
|---|---|
| Now (2026) | Confirm whether your workplace is subject to the new obligation; consult your sharoushi or HR advisor; obtain cost estimates from 2–3 providers |
| 2026–2027 | Select and contract with an implementer; draft internal stress check policy; brief line managers on their role |
| 2027 | Conduct a trial run before the deadline; test employee communication process |
| April 2028 | First mandatory implementation; submit report to Labor Standards Inspection Office |
Summary
| Key Point | Detail |
|---|---|
| Deadline | April 2028 |
| Who it applies to | All employers in Japan (1+ employee) |
| Core obligation | Annual stress check for all employees; group analysis; high-stress consultation |
| Implementer | Must be a qualified professional — typically outsourced for small employers |
| Individual privacy | Results go to the employee only; employer cannot access without consent |
| Estimated cost | ¥55,000–¥150,000/year for a 30-person workplace |
| Penalty | Fine of up to ¥500,000 for failure to report |
For further reading in Japanese: - 50名未満事業所のストレスチェック義務化（2028年4月）完全準備ガイド - 50人未満事業所もストレスチェック義務化へ ― 2028年4月スタート確定
If you have questions about implementing Japan's stress check requirements, or want to learn how COCKPITOS can simplify compliance for your workplace, contact us here.