Mortality - people born in a specific year. Life expectancy...

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Mortality Mortality refers to the number of deaths in a specific population • The simplest measure of mortality is the crude death rate —the number of deaths per 1,000 people in a population in a given year. • The infant mortality rate is the number of deaths of infants under one year of age per 1,000 live births in a given year. • In many nations, mortality rates have declined significantly as diseases (e.g., malaria, polio, cholera, tetanus, typhoid, and measles) have been virtually eliminated by vaccinations and improved sanitation. Life Expectancy • Demographers also study life expectancy , the estimated average lifetime of
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Unformatted text preview: people born in a specific year. Life expectancy can vary depending on: 1) Nation-- In 1998, the life expectancy at birth for a person born in the U.S. was 76.1 years, compared to 80 years in Japan and less than 50 years in the African nations of Burundi, Chad, Rwanda, and Uganda. 2) Sex-- Females born in the United States in 2000 have a life expectancy of about 80 years, whereas men born in that year have a life expectancy of about 73 years. 3) Race-- African American men, for example, have a life expectancy at birth of about 65 years, compared to 74 years for white males....
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