根据国际货币基金组织(IMF)2025年4月版《世界经济展望》的数据,下图直观地展现了1980年至2100年全球人口数增长和平均年龄的变化。
截至2025年,全球人均年龄为33.6岁,高于1980年的26.5岁。同期,全球人口增长率从1980年的1.8%放缓至2025年的0.9%。
报告预计,全球人口数将从2085年开始录得负增长,平均年龄则将上升至42岁。到2100年,预计人均寿命将达到43.2岁,人口增长率则为-0.1%。
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