Rrhain writes:
quote:
In 2002, the life expectancy at birth was about 77 years. But if you were already 65, you had a life expectancy of another 18 years or 83. And if you were already 75, you had a life expectancy of another 11 years or 86.
Can you give an explanation of how expectancy is calculated for those who've already reached a certain age, such as 65 or 75? Does the calculation assume that such a person is in excellent health or only average health? Are your numbers for males or females, or at that age does it matter?
I'm fairly ignorant on this subject, but it's interesting.
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