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・ Longest words
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・ Longetia
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Longevity
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・ Longevity claims
・ Longevity escape velocity
・ Longevity fruit
・ Longevity insurance
・ Longevity myths
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・ Longewala
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・ Longface eel
・ Longfellow
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・ Longfellow (neighborhood), Minneapolis


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Longevity : ウィキペディア英語版
Longevity

The word "longevity" is sometimes used as a synonym for "life expectancy" in demography - however, the term "longevity" is sometimes meant to refer only to especially long-lived members of a population, whereas "life expectancy" is always defined statistically as the average number of years remaining at a given age. For example, a population's life expectancy at birth is the same as the average age at death for all people born in the same year (in the case of cohorts). Longevity is best thought of as a term for general audiences meaning 'typical length of life' and specific statistical definitions should be clarified when necessary.
Reflections on longevity have usually gone beyond acknowledging the brevity of human life and have included thinking about methods to extend life. Longevity has been a topic not only for the scientific community but also for writers of travel, science fiction, and utopian novels.
There are many difficulties in authenticating the longest human life span ever by modern verification standards, owing to inaccurate or incomplete birth statistics. Fiction, legend, and folklore have proposed or claimed life spans in the past or future vastly longer than those verified by modern standards, and longevity narratives and unverified longevity claims frequently speak of their existence in the present.
A life annuity is a form of longevity insurance.
==Life expectancy, as of 2010==
(詳細はgender, genetics, access to health care, hygiene, diet and nutrition, exercise, lifestyle, and crime rates. Below is a list of life expectancies in different types of countries:〔The US Central Intelligence Agency, 2010, CIA World Factbook, retrieved 12 Jan. 2011, https://www.cia.gov/library/publications/the-world-factbook/index.html〕
*Developed countries: 77–90 years (e.g. Canada: 81.29 years, 2010 est.)
*Developing countries: 32–80 years (e.g. Mozambique: 41.37 years, 2010 est.)
Population longevities are increasing as life expectancies around the world grow:〔〔The US Central Intelligence Agency, 2002, CIA World Factbook, retrieved 12 Jan. 2011, http://www.theodora.com/wfb/2002/index.html〕
*Spain: 79.06 years in 2002, 81.07 years in 2010
*Australia: 80 years in 2002, 81.72 years in 2010
*Italy: 79.25 years in 2002, 80.33 years in 2010
*France: 79.05 years in 2002, 81.09 years in 2010
*Germany: 77.78 years in 2002, 79.41 years in 2010
*UK: 80 years in 2002, 81.73 years in 2010
*USA: 77.4 years in 2002, 78.24 years in 2010
*Monaco: 79.12 years in 2002, 79.73 years in 2011

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Longevity」の詳細全文を読む



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