⚡ Design Systems in Japan

Design systems are comprehensive frameworks of style guides, reusable UI components, patterns, and documentation that help designers and developers build consistent digital products.

Japan is an East Asian country with a population of around 125 million people.

According to our data, design systems are detected on 0.2% of websites from Japan.

⭐ Most Popular in 2026

The following chart shows the top design systems in Japan in 2026, based on market share.

The most popular is Material Design, which dominates the market with an overwhelming 87.5% share.
It is followed by Ant Design with 4.1% and Spectrum Web Components with 3.2%.

🚀 Highlights

Here is a list of the top systems that are more popular in Japan than worldwide.
Differences between global and country rankings are shown in parentheses.

✨ Best Design Systems

Below is a more detailed list of 7 design systems used on sites from Japan, ranked by their market share.

RankNameMarket share
1
Material Design
Mountain View, California, United States

A design system developed by Google that defines a unified visual and interaction language used across Android, web, and other platforms.
2
Ant Design
Hangzhou, China

An enterprise-level UI design language and React component library.

FreeOpen source
3
Spectrum Web Components
San Jose, California, United States

An implementation of Spectrum, Adobe's design system.

FreeOpen source
4
Codex
San Francisco, California, United States

The official design system for Wikimedia that provides a unified toolkit and guidelines for user interface design.
5
USWDS
Washington, D.C., United States

The United States Web Design System helps the federal government build fast, accessible, mobile-friendly websites.

FreeOpen source
6
Fluent
Redmond, Washington, United States

Design System is Microsoft's cross-platform design language that defines how user interfaces should look and behave across Windows, web, and mobile applications.
7
Calcite Design System
Redlands, California, United States

A collection of design and development resources for creating beautiful, easy-to-use, and cohesive experiences across apps.

FreeOpen source

👉 See Also

Data is based on the analysis of 157,205 websites from Japan.
Statistics were last calculated on .
For details, see our methodology and disclaimer.