World’s Largest IT Hubs (by Tech Workforce & Output, 2025):-
1. 🇺🇸 Silicon Valley (USA) – 480,000+ tech workers, $450B annual output
2. 🇮🇳 Bengaluru (India) – 1.2M+ IT professionals, $150B exports
3. 🇨🇳 Shenzhen (China) – 900,000+ tech workers, $320B manufacturing tech value
4. 🇮🇳 Hyderabad (India) – 800,000+ workforce, $85B IT exports
5. 🇮🇳 Pune (India) – 600,000+ workforce, $60B output
6. 🇺🇸 Seattle (USA) – 350,000+ tech jobs, Amazon–Microsoft HQ region
7. 🇩🇪 Berlin (Germany) – 300,000+ IT professionals, $50B startup ecosystem
8. 🇬🇧 London (UK) – 400,000+ tech jobs, $70B output
9. 🇸🇬 Singapore – 250,000+ professionals, $45B digital exports
10. 🇯🇵 Tokyo (Japan) – 500,000+ IT employees, $65B output
Source: NASSCOM