NATALITY | MORTALITY |
1) The birth rate in a given population is called Natality. 2) Birth rate refers to the total number of live births per 1000 in a given population during a given time period or a year. | 1) The death rate in a given population is called Mortality. 2) Death rate refers to the measure of number of deaths or the number of deaths per 1,000 individuals per year. |