Based on a comparison of 150 countries in 2021, Oman ranked the highest in military expenditure as a share of GDP with 7.34% followed by Kuwait and Saudi Arabia. On the other end of the scale was Zimbabwe with 0.014%, Mauritius with 0.170% and Venezuela with 0.179%.
Average military expenditure as a share of GDP reached 2.24% in 2021 in the World according to the SIPRI Military Expenditure Database. This is 5.7 % less than in the previous year and -7.97 % less than 10 years ago.
Historically, average military expenditure as a share of GDP reached an all time high of 6.35% in 1962 and an all time low of 2.15% in 2018. The average annual growth amounted to -1.69 % since 1960.
Data for more countries are available at Military Expenditure (As % of GDP) indicator page.
| Military Expenditure (As % of GDP) | Unit | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 |
| Algeria | % | 6.27% | 6.38% | 5.92% | 5.47% | 6.02% | ||||||||||||||||
| Armenia | % | 4.24% | 4.09% | 3.85% | 4.12% | 4.79% | ||||||||||||||||
| Azerbaijan | % | 5.46% | 3.69% | 3.76% | 3.56% | 3.87% | ||||||||||||||||
| Bahrain | % | 4.63% | 4.67% | 4.34% | 4.07% | 4.06% | ||||||||||||||||
| Greece | % | 2.47% | 2.58% | 2.56% | 2.72% | 2.67% | ||||||||||||||||
| Israel | % | 5.49% | 5.47% | 5.48% | 5.33% | 5.11% | ||||||||||||||||
| Jordan | % | 4.26% | 4.51% | 4.76% | 4.64% | 4.64% | ||||||||||||||||
| Kuwait | % | 5.01% | 5.89% | 5.61% | 5.10% | 5.48% | ||||||||||||||||
| Morocco | % | 3.23% | 3.22% | 3.18% | 3.12% | 3.10% | ||||||||||||||||
| Oman | % | 10.9% | 12.1% | 9.64% | 9.54% | 8.64% | ||||||||||||||||
| Pakistan | % | 3.55% | 3.59% | 3.77% | 4.13% | 4.11% | ||||||||||||||||
| Qatar | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ||||||||||
| Russia | % | 4.87% | 5.43% | 4.25% | 3.69% | 3.83% | ||||||||||||||||
| Saudi Arabia | % | 13.3% | 9.87% | 10.2% | 9.49% | 8.24% | ||||||||||||||||
| USA | % | 3.48% | 3.41% | 3.31% | 3.31% | 3.43% |
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