英和和英

a society with a high percentage of aged people, called an aging society

a gradual increase in population

a society with a high percentage of elderly people

The aging population has continued to spread.

people over 75 years of age

increase of population

the rate of population increase

a rapid increase in population

the growth of population

the rate of increase of population

The country is densely populated.

The population is aging rapidly.

a dense population

a sudden decrease in population

an increase in population

the proportion of births to the population

decrease of population―depopulation

a static population

surplus population

a population explosion

overpopulation

reduce in population

the density of population

of Malthus's principles of population, a law which states that human beings tend to increase by geometric progression while their means of subsistence increase only by arithmetic progression

rapid population growth

the octogenarian population

increase in a country's population by birth

a rapid decrease in population

the male population

a large population