TIOBE Index for December 2025: R Joins the Top 10 as SQL Climbs Your email has been sent December’s TIOBE Index closes the year with a steady upper tier and a few late surprises in the lower ranks.

TIOBE Programming Index News October 2025: C Edges Past C++ as SQL Returns to the Top 10 Your email has been sent The October 2025 TIOBE Index saw a reshuffling beneath Python’s still-commanding lead.