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Rules for the exercise

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Life expectancy

Instructions:

Sort states by life expectancy from the state with the longest expected age to the state with the shortest expected age.

Sort states according to life expectancy from the state with the longest expected age to the state with the shortest expected age.

the longest life expactancy

Vanuatu
Australia
Papua New Guinea

the shortest life expactancy

Rules for the exercise:

Life expectancy

Life expectancy is a statistical measure of the average time an organism is expected to live, based on the year of its birth, its current age and other demographic factors including gender. Mathematically, life expectancy is the mean number of years of life remaining at a given age, assuming age-specific mortality rates remain at their most recently measured levels.

Various factors influence life expectancy:

food,
country economy,
infrastructure (especially water resources and waste cleaning, negatively exhalation)
health status
crime level,
country's military condition (war),
environment (clean air, soil, water, food quality, etc.)
and a number of other factors.

Data source:

United Nations Development Program - data from 2017