![]() ![]() In 2016, life expectancy in Norway was almost four years higher for women than for men, 84.2 years for women compared with 80.6 years for men (Statistics Norway, 2016). Life expectancy is higher for women than for men In countries where infant mortality is high, the expected remaining life years of a one-year-old is often significantly higher than the life expectancy at birth. The term “expected remaining life years” is often used. We can also calculate the life expectancy of 1-year-olds, 20-year-olds, 60-year-olds and so on. We also see that the real life spans for those born in 1900 turned out to be much higher than 52 years. This tells us that health conditions improved significantly from 1900 to 2016. In 2016, it was estimated to over 80 years. In 1900, life expectancy was about 52 years. High life expectancy is a sign that many reach old age before they die.When life expectancy falls or rises, this reflects how conditions are changing for the worse or better.Low life expectancy is a sign that many are dying at an early age.Through annual estimates of life expectancy, we can monitor public health in a society from year to year, and we can compare municipalities and countries. Nevertheless, it is useful to make this theoretical calculation. In reality, conditions are likely to change and typical real lifespans will prove to be shorter or longer than the estimated life expectancy. This would mean that for every coming year, as many will die in the first year of life, childhood and adolescence, adulthood and old age as died in 2016. The calculation is based on the assumption that the death rate in the future will be the same as when calculated. Life expectancy in any given year shows how long we expect a child born in that year will live. Life expectancy reflects mortality in a population and is therefore an important indicator of public health status in a country or municipality. ![]()
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