If birth rates exceed death rates, the population increases proportionally. If death rates exceed birth rates, the population decreases.
death rate birth rate
distribution (A+LS) Changes in voting patterns
the birth rate is the rate of birth in a population, the death rate is the number of deaths in a population and the growth rate is the growing numbers of the population.
by birth control
Demographers figure out population growth by comparing birth rates and death rates.
If the birth rate is higher than the death rate, the population increases. If the death rate is higher than the birth rate, the population decreases.
The basic needs like food, shelter are some of the factors that affect the population's growth regardless of the size.
the fitest survive
death rate is subtracted from birth rate.
birth rate - death rate = growth rate
birth death migration/emigration
Birth rates and death rates