The world of the JavaScript nation

Where developers live and where they go?

1,094,619

JavaScript developers counted



CityDevelopers liveLast month change
London17194+19
New York14528
San Francisco12901+10
São Paulo11448+26
Beijing9995-1
Pune9115+102
Paris9114+2
Toronto8883
Berlin8726+4
Seattle8307+4

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JSNation US 2025 logo
JSNation US 2025
New York, Nov 17 - 20, 2025
React Summit US 2025 logo
React Summit US 2025
New York, Nov 18 - 21, 2025
TechLead Conference 2025: AI in Orgs logo
TechLead Conference 2025: AI in Orgs
Sep 18 - 19, 2025
AI Coding Summit logo
AI Coding Summit
October, 2025
React Advanced 2025 logo
React Advanced 2025
London, Nov 27 - Dec 1, 2025
TechLead Conf London 2025: Adopting AI in Orgs Edition logo
TechLead Conf London 2025: Adopting AI in Orgs Edition
London, Nov 28, 2025
React Advanced Canada 2026 logo
React Advanced Canada 2026
Toronto, Mar 24 - 26, 2026
Node Congress 2026 logo
Node Congress 2026
April, 2026
JSNation 2026 logo
JSNation 2026
Amsterdam, Jun 11 - 15, 2026
React Summit 2026 logo
React Summit 2026
Amsterdam, Jun 11 - 15, 2026