A list of the 50 best cities in the world has been released, but the year the list pertains to is unclear, with some outlets referencing 2025 and others 2026. Some cities, such as Melbourne, are reported to be highly ranked, while others, like Houston, have fallen out of the top 50. The criteria used to determine the rankings are not specified, but may include factors such as quality of life and suitability for raising a family.