Mumbai is considered to be the worst city to live in according to the Cities of Opportunity 2012 report released by PricewaterhouseCoopers. The report has ranked 27 cities across the world and the rankings are based on variables such as cultural vibrancy, quality of living, working age population and traffic congestion. While Mumbai is listed to be the worst city to live in, Paris, Hong Kong and Sydney are among the best.
(Each city’s score is the sum of its rankings across the mentioned variables. The highest score is 27 and the lowest is 1)