In its "A Summary of the Liveability Ranking and Overview" of 140 cities surveyed, it looks at which cities have the best living and worst living conditions. This includes healthcare, education, infrastructure, safety, and the threat of terrorism.
Interestingly, the rankings also take into account the generosity of expatriate relocation packages - funding a company gives to an individual when they decide to take up a role abroad.
The 140 surveyed were given a mark out of 100 across various sectors and then given an overall score out of 100.
So, Business Insider decided to take a look at the top 9 cities to live in the world.