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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク List of countries by life expectancy ： ウィキペディア英語版 List of countries by life expectancy This is a collection of lists of countries by life expectancy at birth. ==Methodology== Life expectancy equals the average number of years a person born in a given country would live if mortality rates at each age were to remain constant in the future. The life expectancy is shown separately for males and females, as well as a combined figure. Several non-sovereign entities are also included in this list. The figures reflect the quality of healthcare in the countries listed as well as other factors including ongoing wars, obesity, and HIV infections. Worldwide, the average life expectancy at birth was 71.0 years (68.5 years for males and 73.5 years for females) over the period 2010–2013 according to United Nations World Population Prospects 2012 Revision,〔 or 70.7 years (68.2 years for males and 73.2 years for females) for 2009 according to ''The World Factbook''.〔(【引用サイトリンク】publisher= Cia.gov )〕 According to the World Health Organization (WHO), women on average live longer than men in all countries. The countries with the lowest overall life expectancies per the WHO are Sierra Leone, the Central African Republic, the Democratic Republic of the Congo, Guinea-Bissau, Lesotho, Somalia, Swaziland, Angola, Chad, Mali, Burundi, Cameroon, and Mozambique. Of those countries, only Lesotho, Swaziland, and Mozambique in 2011 were suffering from an HIV prevalence rate of greater than 10 percent in the 15–49 age group. Comparing life expectancies from birth across countries can be problematic. There are differing definitions of live birth vs stillbirth even among more developed countries and less developed countries often have poor reporting.〔http://www.who.int/bulletin/volumes/86/6/07-043471/en/〕 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「List of countries by life expectancy」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.