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The average population density for the country is 68 people per square kilometer (180 people/sq mi). [1] French is the official language but is used regularly only by the literate minority. Almost all Senegalese speak an indigenous language, of which Wolof has the largest usage.
Life expectancy can be used to gauge the overall health of a population and is defined as the average number of years a group of infants would live if they were to experience the age-specific death rates that are present in their birth year. [13] White Americans have historically exhibited an advantage over large portions of the US population.
Spirometry is a medical test that measures how much air a person can breathe in and out of their lungs, and how quickly they can do so. Cartwright used spirometry to compare Black enslaved people's lung function to white people's. [120]
The dip in the life expectancy for white, non-Hispanic women in the U.S. was small but very significant, the CDC says.
The twentieth century witnessed a great expansion of the upper bounds of the human life span. At the beginning of the century, average life expectancy in the United States was 47 years. By the century's end, the average life expectancy had risen to over 70 years, and it was not unusual for Americans to exceed 80 years of age.
Life expectancy by world region, from 1770 to 2018. This is a list of countries showing past life expectancy, ranging from 1950 to 2015 in five-year periods, as estimated by the 2017 revision of the World Population Prospects database by the United Nations Population Division. Life expectancy equals the average number of years a person born in ...
A guide to Down syndrome including symptoms and diagnosis of this genetic condition.
Interactive chart of male and female life expectancy in Africa as defined by WHO for 2019. [5] Open the original chart and hover over chart elements. The squares of bubbles are proportional to population according to estimation of the UN for 2019.