⚡ 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 87.6% share.
It is followed by Ant Design with 4.1% and Spectrum Web Components with 3%.

🚀 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 8 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 design system and React-based UI component library developed by Alibaba that provides a standardized design language for building consistent interfaces.

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

An open-source design system developed by the United States government to help federal agencies build fast, accessible, and 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.

Carbon Design System
Armonk, New York, United States

Carbon is IBM's open-source design system for products and digital experiences that provides a shared foundation for building consistent user interfaces across applications.

FreeOpen source
8
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

🗃️ About This Data