Octoverse: A new developer joins GitHub every second, AI leads TypeScript to #1

6 months ago

GitHub experienced its fastest absolute growth rate in 2025, with over 36 million new developers joining, bringing the total to more than 180 million.
TypeScript overtook Python and JavaScript to become the most used language on GitHub in August 2025, marking a significant shift in developer toolkits.
India added over 5 million developers in 2025, accounting for more than 14% of new GitHub accounts, and is projected to represent one in three new developers by 2030.
GitHub Copilot Free's release in late 2024 led to a surge in developer sign-ups and record activity, including over 230 new repositories created every minute.
Private repositories grew 33% year-over-year, faster than public repositories (19% YoY), highlighting GitHub's role in organizational development.
Open source development reached record levels with 1.12 billion contributions to public repositories, a 13% increase year-over-year.
AI infrastructure projects dominated the fastest-growing repositories, with six of the top 10 being AI-related.
Automation tools like Dependabot and Copilot Autofix improved security, reducing critical vulnerability fix times by 30% and decreasing critical alerts by 26%.
GitHub Actions usage surged by 35% year-over-year, with 11.5 billion minutes used in public projects, reflecting increased automation in development workflows.
The U.S. and India led in AI project contributions, with the U.S. contributing 31.8% and India 12.5% of total contributions.

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