The cities with the best and worst quality of life
Mercer's annual report revealed that Vienna, Austria, maintains its place as the most habitable city in the world
TRAVEL Cities
Mercer, one of the world's largest consulting firms, carries out a yearly study to discover which are the cities with the best quality of life. The criteria which each city is judged on are crime, health care, education, public services, cost of living and personal freedom. Want to see the best and the worst? Check out the gallery!