世界人口2017（英文版）

只是一种借口

世界人口2017
pdf（可复制）
Mid-year population
(thousands)
Population
density
(population
per sq km)
Average
annual
rate of
population
change
(per cent)
Crude birth
rate
(births
per 1,000
population)
Crude
death rate
(deaths
per 1,000
population)
Total
fertility
(live births
per woman
aged
15-49)
Percentage
of births
to women
under age
20 among
births to
women
aged 15-49
Life
expectancy
at birth
(years)
Under-five
mortality
(deaths
under
age 5
per 1,000
live births)
Percentage
of population
Potential
support
ratio
Under
age 15
Aged 60
or over
(Aged
20-64 /
Aged 65+)