Different countries of the world in life expectancy of its population greatly, as can be divided into three main groups according to life expectancy at birth:
1. The first group: less than life expectancy by 45 years and include some tropical African countries (and when many primitive groups in different environments).
2. Group B: average life expectancy by between 45-65snh include the vast majority of developing countries.
3. Group C: standing out on life more than 65 years and include developed countries.
- Life expectancy in developing countries, the least developed countries and clearly shows that in the early ages, far behind them, then at least the difference then a private in the middle ages.
- Life expectancy in Canada and the United States, Australia and New Zealand, the United Kingdom and the Scandinavian countries and the Netherlands more than 70 years.
- Question: Calculate your life expectancy if you know that the original number of the population is 100 and that the life expectancy for each of them is 60-Q, and that he had died in the first year 6.
- Solution: Life expectancy: the original number × life expectancy at birth
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The remaining number
100× 60
ـــــــــــــــــ = 63.8
100-6
التسميات
Mortality