3. Perth, Australia Notable think tanks like Economic Intelligence Unit considers Perth as one of the most liveable cities of the world.
One of Australia's healthiest cities, it is known for excellent healthcare, infrastructure, culture and environment.
Transperth, the city's mass transit system has helped to reduce traffic and pollution. The number of cyclists has increased by 450% from 1998 to 2009.
Perth is also one of Australia's healthiest cities for women. There is also a culture of outdoor sports activity since the city is located close to the beaches.