Smoking Statistics. 1  About a third of the male adult global population smokes. 2  Smoking related-diseases kill one in 10 adults globally, or cause four million deaths. By 2030, if current trends continue, smoking will kill one in six people. 3  Every eight seconds, someone dies from tobacco use.
The birth rate (technically, births/population rate) is the total number of live births per 1,000 of a population in a year.[1] The rate of births in a population is calculated in several ways: live births from a universal registration system for births, deaths, and marriages; population counts from a census, and estimation through specialized ...
Incidence. The basic incidence rate (sometimes called just incidence) is a measure of the frequency with which a disease occurs in a population over a period of time. The formula for calculating an incidence rate is:1  The numerator (x). 2  should include only new cases of the disease that occurred during the specified period.ncidence. The basic incidence rate (sometimes called just incidence) is a measure of the frequency with which a disease occurs in a population over a period of time. The formula for calculating an incidence rate is: