This document discusses various reports and surveys that aim to identify the best cities in the world based on factors like stability, infrastructure, culture and environment. According to The Economist's Global Liveability Report, Melbourne, Australia is the best city in the world, scoring highly in areas like low crime, good infrastructure and parks. Other top cities included Vienna, Vancouver and Sydney. However, other surveys and magazines had different results, with Vienna, Zurich and Auckland also being ranked highly. While famous cities like New York and London are vibrant with culture and attractions, they lose points in areas like traffic, crime and infrastructure issues. Surveys also show that tourists favor London as the top city to visit.