Data Sources

Data on G-20 Countries was compiled from the World Bank and the Organisation for Economic Co-operation and Development (OECD).

• Military spending data was taken from the World Bank
• GDP data was taken from the OECD
• Population data was taken from the World Bank
• Education spending data was taken from the World Bank
• Health spending data was taken from the OECD

Side bar contains links to the CIA World Factbook for additional reference.