TIOBE Index for October 2026: Python Rises as Julia Rejoins the Top 20

Python regained ground in October’s TIOBE Index, while Java narrowed its gap with C++ and Julia returned to the top 20 for the first time in three years.

The October 2026 rankings kept the top five programming languages in the same order, with Python maintaining a substantial lead. R overtook SQL in the only ranking change within the top 10.

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This material Is based upon work supported by the U.S. National Science Foundation under Grant No. 2300188. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.

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