<P> The world's most liveable cities is an informal name given to any list of cities as they rank on an annual survey of living conditions . Regions with cities commonly ranked in the top 50 include Australia, New Zealand, North America, Northern Europe, and Western Europe . Three examples of such surveys are Monocle's "Most Liveable Cities Index", the Economist Intelligence Unit's "Global Liveability Ranking", and "Mercer Quality of Living Survey". Numbeo has the largest statistics and survey data based on cities and countries . Liveability rankings may be used by employers assigning hardship allowances as part of job relocation . </P> <P> The Economist Intelligence Unit's (EIU) publishes an annual Global Liveability Ranking, which ranks 140 cities for their urban quality of life based on assessments of their stability, healthcare, culture and environment, education and infrastructure . </P> <P> Melbourne, Australia, has been ranked by the EIU as the world's most liveable city for seven years in a row, from 2011 to 2017 . Between 2004 and 2010, Vancouver, Canada, was ranked the EIU's most liveable city, with Melbourne sharing first place in the inaugural 2002 report . Vancouver has ranked third since 2015, while Vienna, Austria, has ranked second . </P>

The economist intelligence unit's ranking of the most livable cities in the world
find me the text answering this question