The Economist Intelligence Unit Most Liveable cities 2011

The Economist Intelligence Unit survey ranks cities based on 30 factors such as healthcare, culture and environment, and education and personal safety.

Following is a list of the top most liveable cities as ranked by The Economist Intelligence Unit (of 140 world cities):

1. Vancouver, Canada

2. Melbourne, Australia

3. Vienna, Austria

4. Toronto, Canada

5. Calgary, Canada

6. Helsinki, Finland

7. Sydney, Australia

8. (equal) Perth, Australia

8. (equal) Adelaide, Australia

10. Auckland, New Zealand

12. (equal) Osaka, Japan

12. (equal) Geneva, Switzerland

16. Paris, France

18. Tokyo, Japan

29. Pittsburgh, USA

30. Honolulu, USA

31. Hong Kong, China

44. Los Angeles, USA

53. London, UK

56. New York City, USA

72. Beijing, China

(I couldn't find the ranking for Shanghai)

"Mid-sized cities in developed countries with relatively low population densities tend to score well by having all the cultural and infrastructural benefits on offer with fewer problems related to crime or congestion," said Jon Copestake, editor of the report, in a statement.

Bottom 10:

1. Harare, Zimbabwe

2. Dhaka , Bangladesh

3. Port Moresby, Papua New Guinea

4. Lagos, Nigeria

5. Algiers , Algeria

6. Karachi, Pakistan

7. Douala, Cameroon

8. Tehran, Iran

9. Dakar, Senegal

10. Colombo, Sri Lanka