⚡ Design Systems in the United Kingdom

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

The United Kingdom of Great Britain and Northern Ireland (UK) is a Western European country with a population of over 67 million people.

According to our data, design systems are detected on 0.6% of websites from the United Kingdom.

⭐ Most Popular in 2026

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

The most popular is Material Design, which dominates the market with an overwhelming 74.5% share.
It is followed by GOV.UK Design System with 14% and Fluent with 3.9%.

🚀 Highlights

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

✨ Best Design Systems

Below is a more detailed list of 11 design systems used on sites from the United Kingdom, 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
GOV.UK Design System
London, United Kingdom

An open-source design system that provides styles, components, and patterns to help UK government teams build consistent, user-centered digital services.

FreeOpen source
3
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.

4
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
5
Codex
San Francisco, California, United States

The official design system for Wikimedia that provides a unified toolkit and guidelines for user interface design.

6
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
7
Atlassian UI
Sydney, Australia

A tailor-made frontend library used to build user interfaces that follow the Atlassian Design Guidelines and ensure consistency across Atlassian products.

FreeOpen source
8
Spectrum Web Components
San Jose, California, United States

An implementation of Spectrum, Adobe's design system.

FreeOpen source
9
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
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
11
Uber Base
San Francisco, California, United States

Base is Uber's design system that defines the foundational UI language and core interface elements used across its ecosystem of products and services.

👉 See Also

🗃️ About This Data