11 Which city has the most billionaires?

San Francisco, 74 billionaires

12 Which country has the most billionaires?

USA (680)

13 Where is the biggest town in the world?

Shanghai

14 What is the least populated place on Earth?

Greenland

15 What is the most advanced city in the world?

Tokyo, Japan

16 What’s the best city in the world?

London

17 What is considered the greatest city in the world?

London

18 Which is the most developed city of the world?

Tokyo

19 What is the most busy city in the world?

New York

20 What is the most wealthy city in the world?

Chicago