Gross National Income (GNI), Total value of goods and services a country produces in a year, Literacy rate, % of adults who can read and write., Life expectancy, Average age a person can expect to live, Human development index (HDI), Number that’s calculated using life expectancy, literacy rate, education level and income per head., Infant mortality, The number of babies who don't survive to the age of 1 per 1,000 live births., Birth rate, The number of live births per 1,000 people. Birth rates are often high in a less developed country., Death rate, The number of deaths per 1,000 people. High death rates can indicate a less developed country., People per doctor, A ratio to show the number of people per doctor. A lower ratio can indicate a richer country., Access to safe water, The percentage of people who have access to safe, clean water.

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