Countries in South America by military spending

Military expenditure as a share of GDP, from the Stockholm International Peace Research Institute: armed forces, defence ministries, military aid and the paramilitary forces trained for military operations. 10 countries in South America, highest first. World Bank, 2025

Map: Military spending — South America
Highest
3.2%
Colombia
Median country
1.1%
half above, half below
Lowest
0.6%
Argentina
Countries in South America by military spending, World Bank, 2025
#Country% of GDPRegion
1Colombia3.2%South America
2Uruguay2.3%South America
3Ecuador2.1%South America
4Chile1.5%South America
5Bolivia1.2%South America
6Brazil1.1%South America
7Guyana1.0%South America
8Paraguay0.9%South America
9Peru0.8%South America
10Argentina0.6%South America

No World Bank figure for 2 countries: Suriname, Venezuela.

Questions

Which country in South America has the highest military spending?
Colombia has the highest military spending in South America: 3.2% of GDP (2025). Next come Uruguay (2.3% of GDP) and Ecuador (2.1% of GDP).
Which country in South America has the lowest military spending?
Argentina, with 0.6% of GDP (2025).
What is the typical military spending of a country in South America?
The median of the 10 countries in South America is 1.1% of GDP: half are above it, half below. The median, not the average, because a few countries at the top would drag an average far above almost everyone.
Where do the figures come from?
Military expenditure as a share of GDP, from the Stockholm International Peace Research Institute: armed forces, defence ministries, military aid and the paramilitary forces trained for military operations. Source: World Bank, 2025. Only independent states are ranked; territories are listed separately. A country’s continent follows Natural Earth; the handful of island states it files under the open ocean are placed by their UN subregion.

Source: World Bank (CC BY 4.0). Figures more than 5 years older than the newest are left out rather than shown beside current ones. Countries sharing a value share a rank. All sources.