June 2025 Adelaide ranks among the world’s happiest cities, new index revealsThe2025 Happy City Index, which ranks cities from across the globe based on how happy their constituents are, has crowned Adelaide as Australias happiest city. The index, released annually, evaluates cities based on various parameters that contribute to the overall wellbeing and satisfaction of their residents.There are six key dimensions: Citizens, Governance, Environment, Economy, Health, and Mobility