Terms

birth rate

The birthrate is often expressed as the number of live births per 1,000 of the population per year.

death rate

the number of deaths per unit, usually 1000, of population in a given place and time.

fertility rate

the ratio of live births in an area to the population of that area; expressed per 1000 population per year

replacement rate

replacement rate" is the percentage of his pre-retirement income an individual will receive once he ceases working. 2.1

life expectancy

the probable number of years remaining in the life of an individual or class of persons determined statistically, affected by such factors as heredity, physical condition, nutrition, and occupation.

immigrant

a person who migrates to another country, usually for permanent residence.

emigrant

a person who emigrates, as from his or her native country or region: They welcomed the emigrants from Italy.

net migration rate

how much

population pyramids

charts with diffrent states on it and its the population between each of them