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How Many Developers Are There in the World? | Data Playground

JetBrains: Developer Tools for Professionals and Teams 2 min read
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Summary (TL;DR)
The global number of professional developers reached 20.8 million by 2025. Top countries include India, China, and the United States. Most developers are aged 21-24, have 3-5 years of experience, and work in coding, code review, and deployment. Top primary languages are Java, Python, and JavaScript, while JavaScript leads in usage. Developers mainly build business applications, websites, and cloud services. Windows remains the top OS, followed by macOS and Linux.