 
 This is a list of countries with highest military expenditures.
The first list is based on the Stockholm International Peace Research Institute (SIPRI) fact sheet, which includes a list of the world's top 40 military spenders as of 2024, based on current market exchange rates. [1] [2]
 The second list is based on the 2025 edition of The Military Balance, published by the International Institute for Strategic Studies (IISS) using average market exchange rates. [3] 
| 40 countries with the highest military spending worldwide in 2024 [1] SIPRI Military Expenditure Database | List by the International Institute for Strategic Studies 2025 edition of "The Military Balance" from the | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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The following lists are of countries by military spending as a share of GDP—more specifically, a list of the 15 countries with the highest share in recent years:
The first list uses the Stockholm International Peace Research Institute as a source, while the second list gets its data from the International Institute for Strategic Studies.
| List by the Stockholm International Peace Research Institute SIPRI Military Expenditure Database (2024) [6] | List by the International Institute for Strategic Studies Top 15 Defence Budgets 2020 [7] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| * Italic values are SIPRI estimates. |