The one way that the top cause of mortality in the United States differs by age group is Unintentional damage is most common until the age of 44, after which it becomes less common.
The mortality rate, often known as the death rate, is a measure of the number of fatalities (in general or owing to a specific cause) in a given population, scaled to the population's size, per unit of time. A mortality rate of 9.5 in a population of 1,000 is 9.5 deaths per year or 0.95% of the total. It differs from "morbidity," which is the prevalence or incidence of a disease, as well as the incidence rate.
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