Important criteria are safety, education, hygiene, health care, culture, environment, recreation, political-economic stability and public transportation.i can't believe Sydney and Melbourne are at the top
what is this based on?

To beat amsterdamn.

Important criteria are safety, education, hygiene, health care, culture, environment, recreation, political-economic stability and public transportation.
source- wiki
http://en.wikipedia.org/wiki/World's_most_livable_cities

yesi dunno how reliable this info is
but Colombo, Sri Lanka lists as the 10th worst city in the world to live
http://www.huffingtonpost.com/2011/09/01/worst-city-study_n_945464.html#s34789 a8&title=9_Dakar_Senegal