First to 10k posts

10 Shanghai Flag of the People's Republic of China China 16,650,000

11 Metro Manila Flag of the Philippines Philippines 16,300,000

12 Hong Kong-Shenzhen[4] Flag of the People's Republic of China China 15,800,000

13 Los Angeles Flag of the United States United States 15,250,000

14 Kolkata Flag of India India 15,100,000

15 Moscow Flag of Russia Russia 15,000,000

16 Cairo Flag of Egypt Egypt 14,450,000

17 Buenos Aires Flag of Argentina Argentina 13,170,000

18 London Flag of the United Kingdom United Kingdom 12,875,000

19 Beijing Flag of the People's Republic of China China 12,500,000