No single law makes private-sector website accessibility a direct legal mandate in Japan, but two related developments change the risk calculus. Since April 1, 2024, the Act for the Elimination of Discrimination against Persons with Disabilities (障害者差別解消法) turned reasonable accommodation (合理的配慮) for private businesses from a best-effort duty into a legal obligation, and JIS X 8341-3, Japan's national web accessibility standard, is the recognized benchmark your site gets measured against even without a direct statutory requirement to meet it.
What Changed for Private Businesses on April 1, 2024?
A 2021 amendment to the Act for the Elimination of Discrimination against Persons with Disabilities (障害者差別解消法) took effect on April 1, 2024, converting the duty of reasonable accommodation (合理的配慮の提供) for private business operators (事業者) from an effort obligation (努力義務) into a legal obligation (法的義務). Before the amendment, businesses were only expected to make a best effort; after it, failing to provide reasonable accommodation when a disabled person requests it is treated as unlawful discriminatory conduct.
The Cabinet Office (内閣府) basic policy guidance lists typical examples of reasonable accommodation: removing physical barriers such as steps, providing written or transcribed communication for visually or hearing-impaired customers, and giving plain-language explanations for customers with intellectual disabilities. This is a duty triggered by a specific request from a disabled person in a specific interaction, not a general website compliance mandate, and it is easy to conflate the two. A foreign company's Japan-market website is squarely inside the kind of customer touchpoint this duty applies to, because a request for an accessible version of your content or an alternative way to complete a form is exactly the kind of accommodation request the law now obliges you to act on.
Does JIS X 8341-3 Legally Require My Company Website to Be Accessible?
Not directly for private companies, but it is the standard your site will be judged against in practice. JIS X 8341-3:2016 (高齢者・障害者等配慮設計指針, the Japanese Industrial Standard for accessible design for older adults and people with disabilities, web content part) is technically equivalent to the international Web Content Accessibility Guidelines (WCAG) 2.0 and defines the same three conformance levels: A, AA, and AAA.
The Ministry of Internal Affairs and Communications (総務省) requires government and public-sector websites to meet JIS X 8341-3 Level AA under its public-site operation guideline, but there is no equivalent direct statutory mandate extending that requirement to private company websites. In practice, Level AA has become the de facto national benchmark that procurement reviewers, enterprise clients, and disability-rights advocates apply informally to any Japan-facing site, public or private, so a foreign company with no direct legal obligation to meet it still carries meaningful commercial and reputational exposure for ignoring it. See our guide on designing web forms for Japanese users for one concrete area, form labeling and input flow, where accessibility and Japan-market UX conventions overlap directly.
Key points:
(a) No direct universal mandate for private websites, but the reasonable accommodation duty under the Act for the Elimination of Discrimination against Persons with Disabilities (障害者差別解消法) became a legal obligation for private businesses on April 1, 2024, and applies to specific accommodation requests, including digital ones.
(b) JIS X 8341-3 Level AA is a mandatory benchmark for government and public-sector sites under Ministry of Internal Affairs and Communications (総務省) guidance, and functions as the practical industry benchmark for private sites even without a direct legal requirement.
(c) The two obligations are not the same thing. Meeting JIS X 8341-3 Level AA reduces the likelihood you will face a reasonable-accommodation request in the first place, but the legal duty itself is request-triggered, not a pre-emptive certification requirement.
What Should a Foreign Company's Japan Website Actually Do About This?
Target JIS X 8341-3 Level AA as a practical design standard, not because a specific statute compels it for private sites, but because it is the recognized reference point and it materially lowers your exposure under the 2024 reasonable-accommodation change. This means color contrast that holds up for low-vision users, keyboard and screen-reader navigable forms, and alt text and captions written in Japanese, not just carried over from an English source site.
Japan-specific accessibility work also has to account for CJK-specific issues that WCAG's Latin-script origin does not fully anticipate: screen readers handling mixed Japanese and English text, sufficient stroke-weight contrast for smaller Han characters at low zoom, and form fields using the Japan-standard label-above-field pattern rather than inline Western labels, which our guide on designing one multilingual website across Japanese, Simplified Chinese, and Traditional Chinese covers from the localization side. Document your accessibility approach in your brand guideline file so design and development stay consistent as your Japan site grows past its initial launch.
Frequently Asked Questions
Is web accessibility legally mandatory in Japan?
Not as a direct, universal requirement for private company websites. The Act for the Elimination of Discrimination against Persons with Disabilities (障害者差別解消法) made reasonable accommodation a legal duty for private businesses starting April 1, 2024, which can extend to specific digital accommodation requests, and JIS X 8341-3 Level AA is mandatory only for government and public-sector sites, not private ones.
What is JIS X 8341-3 and how is it different from WCAG?
JIS X 8341-3:2016 is Japan's national standard for accessible web content and is technically equivalent to WCAG 2.0, using the same A, AA, and AAA conformance levels. The practical difference for a foreign company is less about the technical criteria, which largely carry over, and more about applying them correctly to Japanese-language content, mixed-script layouts, and Japan-standard form conventions.
Do I need to redesign my whole website to comply with the 2024 disability discrimination law change?
Not automatically. The 2024 change made reasonable accommodation a request-triggered legal duty rather than a pre-emptive design certification, so the more immediate priority is having a workable process to respond to an actual accommodation request, with JIS X 8341-3 Level AA as the design target that reduces how often such requests arise in the first place.
Conclusion
Japan does not impose a single statute requiring every private company website to meet a specific accessibility standard, but the 2024 shift to a legal reasonable-accommodation duty and the existing JIS X 8341-3 public-sector benchmark together make accessibility a real compliance-adjacent and commercial issue rather than a purely aesthetic one. Treat JIS X 8341-3 Level AA as your working target and route Japan-market design decisions through the Design & Branding service line so accessibility, localization, and brand consistency are handled together rather than as separate afterthoughts.
This article is informational only and does not constitute legal, tax, or regulatory advice. Consult a qualified advisor before acting on the content. Last updated: August 2026.