預期壽命係生命存活時間嘅平均長度,通常係由出世嘅年開始計,去統一做比較。呢項數值係人口統計學其中一個重要統計數據。當今全世界人類預期壽命約莫係67歲。

各國預期壽命,越近藍色就越高

根據聯合國2015年做嘅統計[1],全世界最長預期壽命係香港,有83.74歲;日本排第二,有83.31歲。

參考

編輯
  1. United Nations Department of Economic and Social Affairs (29 July 2015). "United Nations World Population Prospects: 2015 revision" (PDF). UN.
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