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The UN has created a measure called the "human development index." The HDI is a summary composite index that measures a country's average achievements in three basic aspects of human development: health, knowledge, and a decent standard of living. Health is measured by life expectancy at birth; knowledge is measured by a combination of the adult literacy rate and the ratio of enrollment in ...

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Published: 2 months ago (Wed, 20 May 2009 14:32:04 PDT); 6352 bytes
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