What Foreign Companies Get Wrong About Japan's Stress Check Law — 7 Common Misconceptions

Key points - The obligation applies to the workplace in Japan, regardless of parent-company nationality - 50+ workers: annual stress check required since Dec 2015; all workplaces from April 2028 - The check must be run by a qualified implementer — not HR, not the employer, not a sharoshi - The employer cannot see individual results (Art. 66-10); only group analysis (10+) - Individual results cannot be used for evaluation or turnover prediction

⚠️ This article explains common misconceptions in plain terms. Confirm specifics with official sources such as Japan's Ministry of Health, Labour and Welfare.

Misconception 1: "It doesn't apply to foreign-owned companies"

It does. The stress check obligation attaches to the workplace operating in Japan, not to the nationality of the parent company. A foreign-owned subsidiary in Japan is subject to the same rules as a domestic firm. See the stress check law guide for foreign companies.

Misconception 2: "We're under 50 people, so we never have to"

Under 50 is currently an effort obligation, but from April 2028 the requirement expands to all workplaces, including those with fewer than 50 employees (2025 amendment). Small subsidiaries should prepare early. See the 2028 compliance timeline for companies under 50.

Misconception 3: "HR can just run it"

No. The check must be conducted by a qualified implementer: a physician, public health nurse, or a trained nurse, mental health social worker, or certified public psychologist. The employer and HR cannot be the implementer. Many companies are surprised by this. See the industrial physician requirement explained.

Misconception 4: "A sharoshi (labor attorney) can be the implementer"

No. A labor and social security attorney (sharoshi) cannot be the implementer. They can help with rules, setup, and introducing a provider — but the implementer must be one of the qualified health professionals above.

Misconception 5: "We'll review individual results to spot flight risks"

This is prohibited. Under Article 66-10, individual results go to the employee and may not reach the employer without consent. Using individual results for evaluation or turnover prediction is not allowed. The employer may only use group analysis of 10 or more people.

Misconception 6: "It's basically the annual health checkup"

No. The stress check is a psychological assessment of workplace stress with strict confidentiality for individual results. The general health checkup is a separate obligation with different handling rules. Conflating them leads to mishandling confidential data.

Misconception 7: "If someone is high-stress, we must be told"

Not automatically. A high-stress employee may request a physician interview, and the employer must then arrange it — but disadvantageous treatment for making that request is prohibited. The employer is not simply handed a list of high-stress individuals.

Getting it right

For foreign companies, the safest approach is to use a service that arranges the qualified implementer and handles results in line with Article 66-10. COCKPITOS supports stress checks including implementer arrangement, and connects with pulse surveys, 1on1s, and skill maps for retention — see the integrated retention platform approach.

Summary

The biggest mistakes foreign companies make about Japan's stress check law are assuming it doesn't apply, thinking HR can run it, and believing they can see or act on individual results. In reality: it applies to all workplaces in Japan (all sizes from April 2028), it must be run by a qualified implementer, and individual results are confidential under Article 66-10. Confirm details with official sources.