Others top languages with over one million users include C++, C#, Visual tools, Kotlin, Swift, Go, Ruby, Objective C. Rust is used by 600,000 developers while Lua is used by 500,000 developers.

The Kotlin, Swift, and Ruby languages have slipped from their top 20 positions in the Tiobe index of programming language popularity. All three seem to have lost traction and to be in decline ...