Where is the world's most liveable city? The Economist Intelligence Unit has ranked 140 cities based on their liveability. Melbourne, Australia, has been ranked the world's most liveable city for the past seven years but it has lost the top spot to Vienna. See the full report: eiu.comliveabilitybr br Click here to subscribe to The Economist on YouTube: br br Daily Watch: mind-stretching short films throughout the working week.