Government spending, percent of GDP - country data from around the world:
The average for 2014 was 16.15 percent.
The highest value was in Tanzania: 63.94 percent and the lowest value was in Bangladesh: 5.34 percent.
Below is a chart for all countries where data are available for: Government spending, percent of GDP.
World bank definition: General government final consumption expenditure (formerly general government consumption) includes all government current expenditures for purchases of goods and services (including compensation of employees). It also includes most expenditures on national defense and security, but excludes government military expenditures that are part of government capital formation.