The top five languages by volume were Java, Python, SQL, C++, and JavaScript. Trailing far behind these languages, but ranked sixth to 10th respectively, were Bash, C#, Go, TypeScript, and R.

The top 5 languages learned: Java, followed by C, Python, C++, and JavaScript. JetBrains also asked which massive open online course platforms are the most popular.

Python C++ C Java C# JavaScript Go Visual Basic Delph/Object Pascal Fortran Top 10 programming languages in May 2025 Python C++ C Java C# JavaScript Go Visual Basic Delphi/Object Pascal SQL ...

Its top 10 were JavaScript, Python, Java, PHP, C#, CSS, C++, TypeScript, Ruby, C, and Swift. Rust was in 19th spot. Notably, though, Java was not one of the languages to see much growth on GitHub.