Python continues to hold the top spot in the TIOBE Index, retaining its status as the most popular programming language. However, the language has seen a noticeable decrease in market share, dropping from 26.98% in July 2025 to 21.81% by February 2026. This decline coincides with the rising prominence of specialized languages like R and Perl.
R, traditionally known for its use in data science and statistical analysis, has made a significant comeback, climbing from 15th to 8th place year-over-year. This resurgence highlights R’s regained momentum within the data science community, where it once was a dominant force. At the same time, Perl, known for its scripting capabilities, has surged from the 27th position to 11th, marking a comeback of sorts after years of declining popularity.
While these shifts in the TIOBE Index suggest a growing interest in R and Perl, analysts advise caution in interpreting these results. There is skepticism that the rankings might reflect maintenance searches for legacy code rather than evidence of genuine adoption momentum. This is particularly relevant as AI tools have started to generate Python code automatically, potentially reducing the need for manual coding.
In summary, while Python still leads the programming language landscape, its recent declines highlight the dynamic nature of programming language preferences and the ongoing evolution of tools available to developers.

Collections

Python remains the top programming language but has dropped from 26.98% to 21.81% market share between July 2025 and February 2026. R has climbed from 15th to 8th place, while Perl jumped from 27th to 11th in the TIOBE Index. Analysts suggest these shifts may reflect maintenance of legacy code rather than genuine adoption, especially as AI tools increasingly generate Python code automatically.

Python's Popularity Decline in the Face of R and Perl's Resurgence