Although both Melbourne and Vienna have registered improvements in liveability over the last six months, increases in Vienna's ratings, particularly in the stability category, have been enough for the city to overtake Melbourne.
Vienna, the capital of Austria, has replaced Melbourne as the world's most liveable city.
"It is now separated from the former top-ranked city by a mere 0.7 of a percentage point".
Osaka, Calgary and Sydney completed the top five in the survey, which the EIU says tends to favour medium-sized cities in wealthy countries, often with relatively low population densities.
Adelaide also scored highly, ranking number 10 out of 140 cities globally and number five out of the Asian Pacific cities.
Osaka stands out especially, having climbed six positions, to third place, over the past six months, closing the gap with Melbourne.
Vancouver scored a 95 in stability and a 92.9 in infrastructure, with a flawless score in the rest.
Italy refuses safe harbor to migrant ship, Spain also reluctant
The rubber dinghy was taking in water when it was found, however, all migrants were rescued by an AFM patrol vessel. In June, Spain stepped in and welcomed the Aquarius .
The survey had been criticised a year ago for demoting Manchester eight places after the May 22nd attack.
Australia and Canada dominated the top ten, each boasting three cities.
The survey does not include several of the world's most risky capitals, such as Baghdad and Kabul.
What is more, Manchester also represents a regional trend over the past year, where there have been notable improvements in security in several western European cities which have shown resilience in their recovery from terrorist attacks. The Asian city achieved a score of 91.3% this time round, moving up to 35th place.
A bird's eye view of Dhaka city.
Puerto Rico's San Juan, which was hit by two hurricanes in 2017, experienced the sharpest fall, dropping 21 places down the list to 89th place, with a score of 69.8%.
Bangladesh's Dhaka was second last with a score of 38 percent, with Nigeria's Lagos just ahead with a score of 38.5 percent.