Could C# Overtake Java in TIOBE’s Programming Language Popularity Rankings?

It’s been trying to measure the popularity of programming languages since 2000 using metrics like the number of engineers, courses, and third-party vendors. And “The November 2025 TIOBE Index brings another twist below Python’s familiar lead,” writes TechRepublic. “C solidifies its position as runner-up, C++ and Java lose some ground, and C# moves sharply upward, narrowing the gap with Java to less than a percentage point…”

TIO CEO Paul Jansen said this month that…