Births minus deaths. The rate of natural increase expresses natural increase during a time period as a percentage of an areaâ€(tm)s population at the midpoint of the time period.
Crude death rate subtracted from crude birthrate.
The surplus (or deficit) of births over deaths in a population in a given time period. Source: PRB
in demography, a positive population balance where a country's birth rate exceeds it's death rate
In demography, the net change in population without regard to migration. It is the birth rate less the death rate, and it can be positive or negative.
the yearly difference in number of births and deaths in a country
a population increase due to more births and less mortality
the increase in population that results from the positive difference between high birth rates and low death rates; prominent during Stage 2 and Stage 3 of the demographic transition.
The difference between the number of births and the number of deaths.
The number of births in a given population, minus the number of deaths in that population, within a given time period.
Crude death rate subtracted from crude birth rate.
relationship between birth rate and death rate.
The surplus or deficit of births relative to deaths in a population in a given time period.
The surplus (or deficit) of births over deaths in a population in a year or given time period.