Description: Sources for Country Data Table: Data for population totals, population projections, population growth, total fertility rate, natural increase, GINI Index, and GNI per capita are from the World Bank World Development Indicators (http://data.worldbank.org/).
Data for arable land and physiologic population density are from United Nations Food and Agriculture Organization.
Infant mortality data is from the UN Inter-agency Group for Child Mortality Estimation (UNICEF, WHO, World Bank, UN DESA Population Division) at www.childmortality.org, accessed from the World Bank Data Bank.
Life Expectancy data is from CIA World Factbook, 2017.
Net migration and percent urban data is from United Nations Population Division.
Human Development Index data is from United Nations Development Programme 2017 (http://hdr.undp.org/en/data).
Population density data are calculated by dividing total population by land area and arable land, for arithmetic and physiologic density, respectively.
Data for poverty index are from Multidimensional Poverty Index, revised specifications are from the United Nations Development Program (http://hdr.undp.org/en/composite/MPI).
Data for corruption index are from Transparency International 2018 (https://www.transparency.org/cpi2018).
CO2 Emissions data from Carbon Dioxide Information Analysis Center, Environmental Sciences Division, Oak Ridge National Laboratory.
Copyright Text: Sources for Country Data Table: Data for population totals, population projections, population growth, total fertility rate, life expectancy, natural increase, GINI Index, and GNI per capita are from the World Bank World Development Indicators (http://data.worldbank.org/).