GitHub has published a report analyzing statistics for 2025. Main trends:
- TypeScript has surged to the top spot among the programming languages most frequently used by developers. Nearly all major front-end development frameworks have switched to TypeScript by default. Python and JavaScript have moved into second and third place. Over the past year, the number of developers using TypeScript has increased by 1 million (+66%), Python by 850 (+48%), and JavaScript by 427 (+25%).
- The fastest growing languages are Luau (3600 developers, +194%), Typst (3600 developers, +108%), Astro (45600 developers, +78%), Blade (91100 developers, +67%) and TypeScript (2.6 million developers, +67%).
- The most popular languages in new repositories are JavaScript (9.3 million, +14.57%), Python (9.2 million repositories, +53.41%), TypeScript (5.4 million, 78.10%), Java (3.5 million, 9.35%), C++ (1.7 million, 11.82%), C# (1.5 million, 10.61%).
- The most popular languages for developing AI projects are Python, Jupyter Notebooks, JavaScript, and TypeScript.
- The total number of projects on GitHub reached 640 million, 121 million more than a year ago. The number of publicly accessible open source repositories reached 395 million, 72 million more than a year ago (a 19% increase). The number of private repositories increased by 58 million (a 33% increase).
- GitHub's user base grew by 36 million users in a year, reaching 180 million (30 million joined last year, 20 million the year before, and 20 million three years ago). The United States ranks first in terms of number of developers (28 million), India is second (21.9 million), China is third (10.7 million), Brazil is fourth (6.89 million), and the United Kingdom is fifth (4.8 million). Compared to last year, Russia fell from sixth to ninth place, behind Japan, Germany, and Indonesia. The largest growth in the number of developers is observed in India, with more than 5 million new developers added in a year (14% of all new accounts). India is projected to take first place in the ranking by 2030, displacing the United States to second place.
- The contribution to open and publicly accessible projects is estimated at 1.12 billion actions (commits, issues, pull requests, discussions, reviews, etc.), and to private ones - 4.97 billion (81.5%), while the share of private repositories is 37%, and public ones 63%.
- Over the year, more than 518 million pull requests were accepted (43.2 million per month), a 23% increase compared to last year. The number of commits is estimated at 986 million, a 25.1% increase compared to 2024. In August, the record for the number of commits per month was broken, with approximately 100 million changes accepted. The number of issues created increased by 20.4% compared to last year, the number of issue comments and pull requests remained unchanged (+0.35%), and the number of commit comments decreased by 27%.
- The number of AI-related projects has reached 4.3 million. 1.1 million publicly accessible repositories use one of the SDKs for working with large language models, with 693 of these repositories created in the last 12 months (a 178% increase). 80% of new developers used the GitHub Copilot AI assistant within the first week of signing up on GitHub.
- The fastest growing open source projects were Zen Browser, Cline, vllm, uv and vscode.
- The leading repositories by number of participants are vllm, vscode, codex, huggingface/transformers, godot, home-assistant, ollama, llama.cpp, verl, and expo.
- The most popular repositories for new users are:
- The overall resource consumption of GitHub Actions handlers has increased by 30% compared to last year.
- The average time to fix critical vulnerabilities has decreased by 30% compared to last year, and the average time to fix a vulnerability has decreased from 37 to 26 days.
- Access control issues were the most frequently identified vulnerability. Over the course of the year, such issues were identified in 151 repositories, a 172% increase compared to the previous year.
Source: opennet.ru
