⚡ Package Managers in Japan

Package managers are tools that automate the installation, updating, and management of software dependencies in projects.

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

According to our data, package manager technologies are used on 3.7% of websites from Japan.

Statistics based on 160K+ analyzed websites. About this data

⭐ Most Popular in 2026

The following chart shows the top package manager technologies in Japan in 2026, based on market share.

The most popular is Npm with a substantial share of 62.5%, followed by Composer with 38.1% and Bower with 5.7%.

Below is a more detailed list of 4 package manager technologies used on sites from Japan, ranked by their market share.

Rank	Name	Market share
1	Npm San Francisco, California, United States A JavaScript package manager bundled with Node.js. Free$7+/month	62.5%
2	Composer An application-level dependency manager for PHP that lets developers declare, install, and update external libraries. FreeOpen source	38.1%
3	Bower A package manager for the web, optimized for front-end assets such as HTML, CSS, JavaScript, fonts, and images. FreeOpen source	5.7%
4	Yarn An open-source JavaScript package manager originally developed by Facebook, designed as a fast alternative to Npm. FreeOpen source	0.02%

We evaluate the popularity of technologies based on the number of websites where we detect their usage.
Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
This report is based on the analysis of 160,338 websites from Japan.
We currently track the presence of 4 package manager technologies across the web.
Of these, 4 were detected on websites from Japan.
Statistics were last calculated on May 5, 2026.
For more details, see our methodology and disclaimer.