⚡ Programming Languages in Belgium

Programming languages are computer languages composed of instructions, syntax, and rules used by developers to create software such as applications and websites.

Belgium is a Western European country with a population of over 12 million people.

According to our research, programming languages are detected on 82.7% of websites from Belgium.

⭐ Most Popular in 2026

The following chart shows the top programming languages on websites in Belgium in 2026, based on market share.

The most popular is JavaScript with an impressive share of 89%, followed by PHP with 73.5% and C# with 5.7%.

JavaScript 89%
PHP 73.5%
C# 5.7%
Java 2.1%
Python 1.6%
Lua 1.5%
Ruby 1.5%
TypeScript 1.1%
Scala 1%
ASP 0.6%
CFML 0.2%
Go 0.2%
Perl 0.1%
Erlang 0.06%
Elixir 0.03%

🚀 Highlights

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

4. Java ^(-2)
5. Python ^(-5)
16. Dart ^(-1)

✨ Best Programming Languages

Below is a more detailed list of 16 programming languages used on sites from Belgium, ranked by their market share.

Rank	Name	Market share
1	JavaScript Austin, Texas, United States An interpreted programming language and a core technology of the web, alongside HTML and CSS, used to add interactivity and logic to websites and web applications.	89%
2	PHP A widely used free server-side scripting language designed for building dynamic web applications and powering content-driven websites.	73.5%
3	C# Redmond, Washington, United States A high-level, statically typed, object-oriented programming language developed for the .NET platform.	5.7%
4	Java Austin, Texas, United States A multi-platform, object-oriented programming language first released by Sun Microsystems in 1995.	2.1%
5	Python Wilmington, Delaware, United States A high-level, scripting, dynamically typed programming language that is particularly popular in data processing and machine learning.	1.6%
6	Lua Rio de Janeiro, Brazil A lightweight scripting language designed primarily for embedded use in applications.	1.5%
7	Ruby An interpreted, object-oriented, open-source programming language often used for web development.	1.5%
8	TypeScript Redmond, Washington, United States A high-level programming language developed by Microsoft that adds static typing to JavaScript.	1.1%
9	Scala Lausanne, Switzerland An object-oriented programming language designed to improve and address the limitations of Java.	1%
10	ASP Redmond, Washington, United States A server-side scripting language and dynamic web page engine. FreeLegacy	0.6%
11	CFML San Jose, California, United States A scripting language for web development, usually associated with Adobe ColdFusion.	0.2%
12	Go Mountain View, California, United States A high-level, statically typed, compiled programming language developed at Google.	0.2%
13	Perl A high-level, scripting, dynamically typed programming language.	0.1%
14	Erlang Stockholm, Sweden A high-level functional programming language.	0.06%
15	Elixir A dynamic, functional language that compiles to bytecode for the Erlang VM.	0.03%
16	Dart Mountain View, California, United States An object-oriented, class-based, garbage-collected language developed by Google.	0.005%

👉 See Also

🌎 Programming Languages in other countries

Data is based on the analysis of 26,849 websites from Belgium.
Statistics were last calculated on March 21, 2026.
For details, see our methodology and disclaimer.