December 2025 TIOBE Index: Python Leads, SQL Climbs, R Enters Top 10
By
smurda
Master baker tier. Every paragraph earns its place on the tray.
Summary
The December 2025 TIOBE Index shows Python maintaining its top position as the most popular programming language, with C and C# remaining closely grouped in second and third place. SQL continues its upward climb, while R enters the top 10 for the first time. Delphi/Object Pascal drops out of the top 10 rankings. The index reveals stability in the upper tier of languages with some movement in the lower ranks, reflecting ongoing trends in programming language popularity and adoption.
Key quotes
· 4 pulledDecember's TIOBE Index closes the year with a steady upper tier and a few late surprises in the lower ranks.
Python remains ahead at the top position as the most popular programming language.
SQL continues its upward climb, while R enters the top 10 for the first time.
Delphi/Object Pascal drops out of the top 10 rankings.
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