Citi花旗银行：2024年迎接人口结构转变-老龄化世界中的健康与财富报告（英文版）

One of the most dramatic societal shifts of the 21st century will be the demographic transition to a population that is older than it ever has been. In the nineteenth century, no continent had a life expectancy of more than 40 years. By 2019, the average person could expect to live to 73 years old. Driven by declining childhood mortality and improved access to high-quality healthcare, these gains in life expectancy are an extraordinary achievement of global development. Declining fertility co