Advertisements According to Mercer, a major US financial consultancy firm, not a single US or Australian city, is close to being in the ten most expensive cities in the world. Mercer Cost of Living Survey 2021 ranks Ashgabat in Turkmenistan as the most expensive city globally, followed by Hong Kong, the topper of 2020. Mercer … Continue reading Revealed: The most expensive cities in the world in 2021