TIOBE Index for September 2026: Python Drops Below 18% as Julia Nears Top 20
September 2026 TIOBE Index keeps the top 10 unchanged, as Python falls below 18%, C++ widens its lead over Java, and Julia nears the top 20. The post TIOBE Index for September 2026: Python Drops Below 18% as Julia Nears Top 20 appeared first on TechRepublic .
The September 2026 TIOBE Index shows Python dropping below 18% popularity, while Julia nears the top 20. The top 10 ranking remains unchanged, with Python at 17.76%, C++ at 8.67%, and Java at 7.54%. Julia climbs to No. 21 with 0.74%, just behind COBOL at No. 20. MATLAB falls to No. 27, continuing its decline from last month. C# maintains fifth place at 4.22%, while JavaScript and Visual Basic both gain rating share this month.
Julia’s ascent could indicate its strength in technical areas like numerical and scientific computing, but widespread use as a general-purpose language remains limited.
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