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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