世界基准联盟（WBA）：2026年城市基准的方法（英文版）

Despite covering only 2-3% of the world’s land area (Shi et al., 2023), urban areas are home to more than half of the world’s population and generate more than 80% of the world’s GDP ( (The World Bank, 2023)). This makes cities central to achieving the Sustainable Development Goals (SDGs) set by the United Nations (UN) in 2015. However, cities are failing millions around the world in unmistakable ways. Take for example the vast gap between incomes and housing prices worldwide, or the growing