Most used programming languages in Japan

Japan has a thriving technology industry, with many companies leading the way in innovation and software development. As a result, there are several programming languages that are widely used in Japan. Here are some of the most popular programming languages in Japan.

#1 Java

Java is one of the most widely used programming languages in Japan, thanks in part to its popularity in the enterprise sector. Many Japanese companies use Java to develop large-scale systems, web applications, and mobile apps.

#2 C++

C++ is another popular programming language in Japan, particularly in the gaming industry. Japan is home to several well-known gaming companies, and C++ is the language of choice for game development due to its speed and efficiency.

#3 Ruby

Ruby is a dynamic programming language that has gained popularity in Japan due to its simplicity and ease of use. Ruby on Rails, a popular web application framework, was created by a Japanese developer and has become widely adopted in the country.

#4 Python

Python is a versatile programming language that is used in a wide range of industries in Japan, including finance, healthcare, and manufacturing. Its popularity has increased in recent years due to the rise of data science and machine learning.

#5 PHP

PHP is a server-side scripting language that is widely used for web development in Japan. Many Japanese companies use PHP to build dynamic websites and web applications.

#6 Objective-C & Swift

Objective-C and Swift are both used in Japan for developing iOS apps. The popularity of Apple products in Japan has led to a high demand for developers with experience in these languages.

#7 JavaScript

JavaScript is a widely used programming language for web development in Japan, particularly for front-end development. Many Japanese companies use JavaScript frameworks like AngularJS and ReactJS for building web applications.


In conclusion, Japan has a diverse tech industry with a wide range of programming languages in use. Java, C++, Ruby, Python, PHP, Objective-C/Swift, and JavaScript are all popular languages used in different sectors of the industry. As technology continues to evolve, it will be interesting to see how the programming language landscape in Japan changes over time.