A huge number of elderly people would mean a lot of people wanting to live in certain locations, seeking certain kinds of living quarters, and consuming certain kinds of services. The types of corporations that will succeed, the buildings that are constructed, and the research and development that will be needed all depend on the demographics of demand.
任何国家的经济总方向都取决于寿命长度。大量的老年人将意味着许多人要生活在某些特定地点，寻求某类住所，消费某种服务。能获得成功的公司类型、建筑楼房的种类、以及需要何种研究和发展全部依赖于人口需求统计。