⚡ User Interface Frameworks in Japan

User Interface (UI) frameworks are libraries of code, design elements, and components that help web developers create user interfaces with consistent structure and behavior.

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

According to our research, user interface frameworks are used on 20% of websites from Japan.

⭐ Most Popular in 2026

The following chart shows the top UI frameworks in Japan in 2026, based on market share.

The most popular is Bootstrap with a substantial share of 59.9%, followed by jQuery UI with 33.5% and Tailwind CSS with 5%.

Bootstrap 59.9%
jQuery UI 33.5%
Tailwind CSS 5%
Bulma 2.5%
AMP 2.4%
Foundation 1.8%
UIKit 1.4%
Pure CSS 0.4%
Materialize 0.4%
Vuetify 0.2%
Material UI 0.2%
Tachyons 0.2%
Radix UI 0.2%
Material Design Lite 0.2%
MDB 0.2%

🚀 Highlights

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

4. Bulma ^(-3)
8. Pure CSS ^(-8)
10. Vuetify ^(-14)
12. Tachyons ^(-3)
14. Material Design Lite ^(-8)
15. MDB ^(-2)
16. Chakra UI ^(-5)
17. Semantic UI ^(-3)
23. Element Plus ^(-10)
24. Flat UI ^(-12)

✨ Best UI Frameworks

Below is a more detailed list of the top 25 of the 48 UI frameworks used on sites from Japan, ranked by their market share.

Rank	Name	Market share
1	Bootstrap San Francisco, California, United States An open-source framework for building responsive, mobile-first websites and web applications with HTML, CSS, and JavaScript, originally developed at Twitter. FreeOpen source	59.9%
2	jQuery UI San Francisco, California, United States A curated set of user interface interactions, effects, widgets, and themes built on top of the jQuery JavaScript Library. FreeOpen source	33.5%
3	Tailwind CSS Kitchener, Ontario, Canada An open-source utility-first framework that provides low-level CSS classes for building user interfaces directly in markup. FreeOpen source$149+	5%
4	Bulma London, United Kingdom An open-source modular CSS framework based on Flexbox. FreeOpen source	2.5%
5	AMP San Francisco, California, United States An open-source HTML framework for creating lightweight pages that are optimized for mobile web browsing and load faster. FreeOpen source	2.4%
6	Foundation Campbell, California, United States An open-source responsive framework that provides a customizable grid system, a library of UI components, HTML templates, and JavaScript plugins. FreeOpen source	1.8%
7	UIKit Hamburg, Germany A lightweight and modular front-end framework. FreeOpen source	1.4%
8	Pure CSS New York, United States A lightweight, responsive CSS framework developed by Yahoo for building fast and minimal web interfaces. FreeOpen source	0.4%
9	Materialize Pittsburgh, Pennsylvania, United States A responsive CSS framework based on Google's Material Design guidelines. FreeOpen source	0.4%
10	Vuetify Southlake, Texas, United States An open-source, no design-skills-required UI library of beautifully handcrafted Vue.js components. FreeOpen source	0.2%
11	Material UI Paris, France An open-source React component library that implements Google's Material Design. FreeOpen source$180+/developer/year	0.2%
12	Tachyons Boise, Idaho, United States A lightweight, functional CSS framework that enables the creation of fast, responsive, and accessible web interfaces without writing custom CSS. FreeOpen source	0.2%
13	Radix UI San Francisco, California, United States An open-source component library that provides low-level, unstyled interface primitives for building accessible user interfaces and design systems in web applications. FreeOpen source	0.2%
14	Material Design Lite Mountain View, California, United States A legacy user interface framework that implements Material Design components using plain CSS, JavaScript, and HTML without external dependencies. FreeOpen sourceLegacy	0.2%
15	MDB Warsaw, Poland A UI toolkit that combines Bootstrap with Google's Material Design guidelines. FreeOpen source€29+	0.2%
16	Chakra UI Manchester, United Kingdom A comprehensive library of accessible, reusable, and composable React components. FreeOpen source	0.1%
17	Semantic UI New York, United States An open-source component framework that helps create responsive layouts using human-friendly CSS class names. FreeOpen source	0.1%
18	Spectre.css Shanghai, China A lightweight, responsive CSS framework designed for faster and extensible development. FreeOpen source	0.09%
19	Layui Hangzhou, China A Chinese modular front-end UI library designed to build web interfaces with a simple API and minimal dependencies. FreeOpen source	0.09%
20	Headless UI Kitchener, Ontario, Canada Completely unstyled, fully accessible UI components, designed to integrate beautifully with Tailwind CSS. FreeOpen source	0.08%
21	Angular Material Mountain View, California, United States A library of UI components for Angular that implements Google's Material Design specification. FreeOpen source	0.07%
22	W3.CSS Sandnes, Norway An open-source, pure CSS framework developed by the W3Schools team, designed for building responsive websites without JavaScript. FreeOpen source	0.06%
23	Element Plus China A Vue.js 3 UI component library and the successor to Element. FreeOpen source	0.06%
24	Flat UI New York, United States A free design framework and theme for Bootstrap. FreeOpen source	0.05%
25	Ant Design Hangzhou, China An enterprise-level UI design language and React component library. FreeOpen source	0.04%

👉 See Also

🌎 UI Frameworks in other countries

Data is based on the analysis of 157,445 websites from Japan.
Statistics were last calculated on March 31, 2026.
For details, see our methodology and disclaimer.