Survey Sample Sizes
Respondents per Survey (most recent edition)
Sources
Stack Overflow Developer Survey 2024 edition
90,000+ developers. Languages, frameworks, databases, tools, salaries, and work preferences. Raw data downloadable.
JetBrains Developer Ecosystem Survey 2024 edition
25,000+ developers. Languages, tools, technologies, and practices with detailed per-language breakdowns.
State of JS / State of CSS 2024 edition
JavaScript and CSS ecosystem tracking. Library adoption, satisfaction, and usage patterns with interactive visualizations.
SlashData Developer Nation Q1 2025
30,000+ developers worldwide. Language adoption, cloud platforms, IoT, ML, and demographics. Quarterly cadence.
HackerRank Developer Skills Report 2024 edition
Hiring trends and in-demand skills based on millions of coding assessments.