If you want to move to the world's most liveable city, pack your bags and book a flight to Vienna. The Economist assessed 140 major cities worldwide on stability, healthcare, culture and environment, education, and infrastructure, declaring the Austrian capital the most liveable city for the first time . Australia's second most populous city, Melbourne, scored 98.4 out of 100. Osaka, Japan, came third with Calgary and Sydney rounding off the top five.In total, three Canadian and three Australian cities made the top-10 list. Interestingly, U.S. cities are notably absence from the top of The Economist's ranking with Copenhagen the only other European city this year besides Vienna.