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| List of countries by infant mortality rate (2005) ： ウィキペディア英語版 |
List of countries by infant mortality rate
==Methodology==
Figures are from the 2011 revision of the United Nations World Population Prospects report, by five years averages,〔(United Nations World Population Prospects: 2011 revision ) - 2011 revision〕 and the CIA World Factbook.
The infant mortality rate (IMR) is the number of deaths of infants under one year old per 1,000 live births. This rate is often used as an indicator of the level of health in a country. The infant mortality rate of the world is 49.4 according to the United Nations and 42.09 according to the CIA World Factbook. The under-5 mortality rate of the world is 73.7 according to the United Nations.
Note that due to differences in reporting, these numbers may not be comparable across countries; while the WHO recommendation is that all children who show signs of life should be recorded as live births, in many countries this standard is not followed, artificially lowering their infant mortality rates relative to countries which follow those standards.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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