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Life expectancy - Wikipedia, the free encyclopedia
Life expectancy is the expected (in the statistical sense) number of years of life remaining at a given age.[1] It is denoted by ex, which means the average number of subsequent years of life for someone now aged x, according to a particular mortality experience. (In technical literature, this symbol means the average number of complete years of life remaining, ie excluding fractions of a year. The corresponding statistic including fractions of a year, ie the normal meaning of life expectancy, has a symbol with a small circle over the e.)
Life Expectancy by Age, 1850–2004 — Infoplease.com
The expectation of life at a specified age is the average number of years that members of a hypothetical group of people of the same age would continue to live if they were subject throughout the remainder of their lives to the same mortality rate.
Total Population > Life Expectancy At Birth statistics - countries compared - NationMaster
CIA - The World Factbook -- Country Comparison :: Life expectancy at birth
This entry contains the average number of years to be lived by a group of people born in the same year, if mortality at each age remains constant in the future. The entry includes total population as well as the male and female components. Life expectancy at birth is also a measure of overall quality of life in a country and summarizes the mortality at all ages. It can also be thought of as indicating the potential return on investment in human capital and is necessary for the calculation of various actuarial measures.
NationMaster - Health Statistics
Background (or 'Why did you make this site?')
The idea for NationMaster arose as I was surfing around the CIA World Factbook. It's a great read but I felt the individual figures (like number of TV's, or kilometres of coastline) didn't mean much on their own. They'd be more illuminating if they were placed alongside other countries and shown relative to population.
So I decided to put together a website that allowed users to generate graphs based on numerical data extracted from the Factbook. The next (rather obvious) realisation was that there's no reason I couldn't take in data from other sources. Why shouldn't the net have a central location that allows you to compare countries on any statistic you like?
WHO | World Health Statistics 2009
World Health Statistics 2009 contains WHO's annual compilation of data from its 193 Member States, and includes a summary of progress towards the health-related Millennium Development Goals and targets.
This edition also contains a new section on reported cases of selected infectious diseases.
Men in their 50s can add two years to their life with exercise regime, says study - The Guardian 6th March 2009
Men in their 50s who increase their exercise regime live more than two years longer than couch potatoes of the same age, a new study shows.
Males in their middle years who do a lot of physical activity, equivalent to three hours a week of sport or heavy gardening, can outlive their sedentary peers by 2.3 years and moderate exercisers by just over a year, researchers found.
BBC NEWS | Health | Being fat 'is as bad as smoking'
Being overweight or seriously underweight as a teenager curbs life expectancy as much as smoking 10 cigarettes a day, a study suggests.\nSwedish researchers followed 46,000 men from the age of 18 for 38 years.
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