Government spending, percent of GDP - Country rankings:
The average for 2017 was 15.79 percent.The highest value was in Djibouti: 32.44 percent and the lowest value was in Haiti: 3.58 percent. Below is a chart for all countries where data are available for: Government spending, percent of GDP.
Government spending as percent of GDP, 2017
(percent, Source: The World Bank, TheGlobalEconomy.com)