平均余命2021

Life expectancy at birth indicates the number of years a newborn infant would live if prevailing patterns of mortality at the time of its birth were to stay the same throughout its life.

{
  "id": "SP.DYN.LE00.IN",
  "name": "Life expectancy at birth, total (years)",
  "unit": "",
  "source": {
    "id": "2",
    "value": "World Development Indicators"
  },
  "sourceNote": "Life expectancy at birth indicates the number of years a newborn infant would live if prevailing patterns of mortality at the time of its birth were to stay the same throughout its life.",
  "sourceOrganization": "World Population Prospects, United Nations (UN), uri: UN Population Division;\nStatistical databases and publications from national statistical offices, National Statistical Offices (NSOs), note: Derived from male and female life expectancy at birth from sources such as statistical databases and publications from national statistical offices.;\nDemographic Statistics, Eurostat (ESTAT), note: Derived from male and female life expectancy at birth from sources such as Eurostat: Demographic Statistics.",
  "topics": [
    {
      "id": "8",
      "value": "Health "
    }
  ]
}