<Table> <Tr> <Td> </Td> <Td> This article may rely excessively on sources too closely associated with the subject, potentially preventing the article from being verifiable and neutral . Please help improve it by replacing them with more appropriate citations to reliable, independent, third - party sources . (July 2017) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article may rely excessively on sources too closely associated with the subject, potentially preventing the article from being verifiable and neutral . Please help improve it by replacing them with more appropriate citations to reliable, independent, third - party sources . (July 2017) (Learn how and when to remove this template message) </Td> </Tr> <P> The Mercer Quality of Living Survey ranks 231 cities from Vienna to Baghdad on quality of life . Countries with cities commonly ranked in the top 50 include Austria, Switzerland, New Zealand, Germany, Canada, Denmark, Finland, Australia, Sweden and the United States . Vienna has been ranked first for eight consecutive years . </P> <P> The quality of living survey is conducted to help governments and major companies place employees on international assignments . The survey also identifies those cities with the highest personal safety ranking based upon internal stability, crime, effectiveness of law enforcement and relationships with other countries . In this case, Luxembourg is top, followed by Bern, Helsinki and Zürich, all equally placed at number 2 . </P>

Which city has topped the list in the mercers 2017 quality of living index