Montevideo remained South America's most expensive place to live according to the Mercer Ranking released this week, closely followed by Buenos Aires, a place that has been moving up fast since President Javier Milei's Dec. 10, 2023, inauguration. The list helps multinational employers plan their strategies regarding compensations and other expenses, it was explained. Hong Kong stayed at the top, followed by Singapore, and Sitzerland's Zurich, Geneva, and Basel.