by Esteban Ortiz-Ospina. Living conditions dramatically affect life spans and are a major reason why these countries have the lowest life expectancy. Central African Republic has lowest life expectancy at 52.67 years. Life Expectancy by State 2020 The life expectancy refers to how old people live to be, on average, in certain parts of the world. Related research: Why do women live longer than men? After looking into the countries with the highest life expectancies, we decided to take a look at the opposite end of the rank and focus on countries where people live the shortest lives on Earth.Generally, the average life expectancy of humans has an increasing tendency. But this one had a few anomalies when compared to other countries on this list. Here are the life expectancy rates of the fifty states in America as a whole, as well as the life expectancies based on race. Here we will look at the trends in life expectancy in countries with the best (highest) and worst (lowest) life expectancies … The gap between the country with the highest life expectancy and the country with the lowest life expectancy in 2020 is an astounding 30 years. Perhaps we are more interested in the differences in life expectancy estimates in different regions or countries, which is where global life expectancies come in. Lesotho was the country with the lowest life expectancy at 52.9 years. Life expectancy at birth compares the average number of years to be lived by a group of people born in the same year, if mortality at each age remains constant in the future. MADISON, Wisconsin — Life expectancy and poverty go hand in hand. As can be expected, the countries with the most poverty often face the lowest life expectancy. Life expectancy at birth is also a measure of overall quality of life in a country and summarizes the mortality at all ages. For instance, the rate of alcohol consumption was pretty moderate at about five litres per consumer of pure alcohol per year. The U.S. has the highest chronic disease burden and an obesity … This statistic shows the countries with the lowest life expectancy for those born in 2020 worldwide, by gender. The inequality of life expectancy is still very large across and within countries. With poverty comes a lack of access to healthcare, high stress due to economic instability and lack of education all contributing factors to low life expectancy. The U.S. spends more on health care as a share of the economy — nearly twice as much as the average OECD country — yet has the lowest life expectancy and highest suicide rates among the 11 nations. For example, Zimbabwe and Zambia’s longevity has increased by 38 percent since the year 2000. Everywhere in the world women live longer than men. 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