The 2025 Developer Survey is the definitive report on the state of software development. In its fifteenth year, Stack Overflow received over 49,000+ responses from 177 countries across 62 questions focused on 314 different technologies, including new focus on AI agent tools, LLMs and community platforms. This annual Developer Survey provides a crucial snapshot into the needs of the global developer community, focusing on the tools and technologies they use or want to learn more about.