How is Life Expectancy calculated
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M$9 Answers
http://diskworld.wharton.upenn.edu/mortality/perl/CalcForm.html
Also, Wikipedia offers a formula for calculating the life expectancies.
(I don't usually Copy & Paste from Wikipedia for my answers, but this article is quite useful for this question)
http://en.wikipedia.org/wiki/Life_expectancy#Calculating_life_expectancies
But in my point, these online tools and formulas are not very efficient in determining the life expectancy of an individual. It really depends on some major factors :
* Life Span of family members from father and mother side
* Your Food Habits
* Physical Activities
* Consumption of Alcohol
* Your DNA (Gene)
* Lifestyle
* The region in which you live (According to Wikipedia)
* Medical Facilities Available
* Your Mentality / Mood
However if you have asked the life expectancy of people at older times like 1900s it would have been easier to answer because we can take the average age of people at death and calculate the life expectancy.
The Life Expectancy cannot be calculated accurately, because it changes constantly from time to time. For example, the Life Expectancy of people during the Industrial Revolution increased in a notable amount due to the increase in Public Medical Facilities.
----quote----
"The percentage of the children born in London who died before the age of five decreased from 74.5% in 1730-1749 to 31.8% in 1810-1829."
----quote----
http://en.wikipedia.org/wiki/Life_expectancy#Lifespan_variation_over_time
Finally what I like to tell is, "Don't bother about how long you live, Just focus on how you want to live it". Then I am sure you will enjoy your Life !
Good Luck !
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M$
Gender
Current age
Family history
Lifestyle
Exercise
Diet
Risky hobbies
Certain things take off years, certain things put them on.
Here's an excellent calculator that goes over a lot of different factors, very specifically, and only takes minutes to do. It also gives a good indication of what of your personal factors help up the number, and what help to lower the number.
I just did mine, it says I'll be as healthy as my grandma, who lived to 92.
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M$
The best I can do is point you to Wikipedia, as they have a very good, concise description of how it is calculated.
Basically, they use a formula that resembles:
Xc = Current age
Xc+1 = 1* (100% -/- Mortality rate at Current age+1)
Xc+2 = 1* (Xc+1) * (100% -/- Mortality rate at Current age+2)
etc, until Xc+n+oo (endless).
By summing Xc to Xc+oo, you get the life expectancy. The Wiki page has the formula way more readible, as I cannot use wikitext in an answer (I think)
I know you don't like wiki as an answer reference, but it is the clearest source I found.
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M$But hopefully a somewhat helpful one! :)
If you had asked "How do I calculate the life expectancy at birth for the average American born in 1900?" the answer would be simple. Find out the ages at death of all the Americans born in that year, and take the average.
If you want to know your own life expectancy, or the life expectancy of people of your generation, you have a small problem. Namely, you have not died yet. Neither have many of your contemporaries. And those of them that have already died probably died of things that will not be your cause of death anyway.
Can you see where I'm going with this?
Insurance companies and pension funds pay specialist math graduates (aka actuaries) pretty good money to try to figure out life expectancies of people now living. Those math graduates do some pretty darn complex math... and they still get it wrong quite a lot. The pensions crises in rich countries are partly a function of it turning out that people are living longer than was predicted by all that math.
So my non-answer is: I'm afraid the true methods used probably wouldn't be comprehensible to anyone without a pretty advanced grasp of statistics, and can't really be reproduced in a Mahalo Answer.
If I have failed to deter you with that, then you may enjoy the following reading:
Principles of Medical Statistics Sec 22.6 on Google Books
http://www.the-actuary.org.uk/790581
http://www.demogr.mpg.de/en/research/666.htm
Math phobes beware - do not click those links! :)
You can leave an optional "tip" with Mahalo's virtual currency, Mahalo Dollars. If you are asking a difficult question that might require some research, or if you'd like a wide variety of feedback, a higher tip often leads to more answers to your question.
M$You can leave an optional "tip" with Mahalo's virtual currency, Mahalo Dollars. If you are asking a difficult question that might require some research, or if you'd like a wide variety of feedback, a higher tip often leads to more answers to your question.
M$I did mine on here was fast and maybe unbalievable lol. 30 more years SHHHEEEEEEE LoL. http://www.lifeexpectancy.com/asp/Calculator/.
http://www.brownecon.com/bea_calculators/workLifeExp/default.asp
These two site took your personal information and did a calculation that way.
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M$
My guess is that Americans having lower life expectancy means that we have more unhealthy habits than Canadians.
Thank you @sunshine09. I'm still wondering if it is correct to use it to predict over individuals instead of over a population. The implications and uses are different in either case.
OOops sorry I did that wrong !!
Definition of Life Expectancy expected remaining time to live as calculated on the basis of statistics
I'm confused. What is the difference with the one calculated for a country/region? What is the actual deffinition of Life Expectancy?
You can leave an optional "tip" with Mahalo's virtual currency, Mahalo Dollars. If you are asking a difficult question that might require some research, or if you'd like a wide variety of feedback, a higher tip often leads to more answers to your question.
M$
You can leave an optional "tip" with Mahalo's virtual currency, Mahalo Dollars. If you are asking a difficult question that might require some research, or if you'd like a wide variety of feedback, a higher tip often leads to more answers to your question.
M$
You can leave an optional "tip" with Mahalo's virtual currency, Mahalo Dollars. If you are asking a difficult question that might require some research, or if you'd like a wide variety of feedback, a higher tip often leads to more answers to your question.
M$
How fun! hubber is quoting hubpages. :p
@nushka.... HAHA! I noticed that connection earlier
(...starting to get annoyed.. is that mean?)
@jeffhoard HAHA good call... your so patient!
Once again you have answered a question with a cut-and-paste from hubpages.
Once again you have not answered the question, which was how it's calculated, not what it is. Even though that info does actually appear in souce you copied from.
This isn't the way we do things on Mahalo, as I explained before.
