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2009 Report
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This report breaks new ground in applying a human development approach to the study of migration.
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What is the human development index (HDI)?
The HDI – human development index – 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 combined primary, secondary, and tertiary gross
enrolment ratio; and standard of living by GDP per capita (PPP US$). For
details on how to calculate the HDI, see 
Technical note 1 HDR 2007/2008 [5 680 KB]and also the interactive
HDI calculator and the Excel tool 
Calculating the indices [61 KB] - interactive tools that help understand the calculation of the HDI.
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