Based on a comparison of 151 countries in 2022, Ukraine ranked the highest in military expenditure as a share of GDP with 33.5% followed by Saudi Arabia and Qatar. On the other end of the scale was Haiti with 0.069%, Mauritius with 0.167% and Ireland with 0.225%.
Data for more countries are available at Military Expenditure (As % of GDP) indicator page.
| Military Expenditure (As % of GDP) | Unit | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 |
| Algeria | % | 6.38% | 5.92% | 5.48% | 6.00% | 6.69% | ||||||||||||||||
| Armenia | % | 4.09% | 3.85% | 4.12% | 4.79% | 4.98% | ||||||||||||||||
| Azerbaijan | % | 3.69% | 3.76% | 3.56% | 3.87% | 5.39% | ||||||||||||||||
| Greece | % | 2.57% | 2.56% | 2.72% | 2.62% | 3.06% | ||||||||||||||||
| Israel | % | 5.41% | 5.43% | 5.28% | 5.05% | 5.28% | ||||||||||||||||
| Jordan | % | 4.44% | 4.68% | 4.56% | 4.57% | 4.70% | ||||||||||||||||
| Kuwait | % | 5.89% | 5.61% | 5.19% | 5.42% | 6.57% | ||||||||||||||||
| Morocco | % | 3.22% | 3.18% | 3.13% | 3.08% | 4.21% | ||||||||||||||||
| Oman | % | 10.6% | 8.41% | 8.27% | 7.44% | 8.03% | ||||||||||||||||
| Qatar | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | |||||||||||
| Russia | % | 5.43% | 4.25% | 3.72% | 3.86% | 4.17% | ||||||||||||||||
| Saudi Arabia | % | 9.87% | 10.2% | 9.14% | 8.13% | 9.18% | ||||||||||||||||
| Togo | % | ... | ... | ... | 1.84% | 1.87% | 1.96% | 3.15% | 2.84% | |||||||||||||
| USA | % | 3.42% | 3.32% | 3.32% | 3.43% | 3.70% | ||||||||||||||||
| Ukraine | % | 3.15% | 2.88% | 3.19% | 3.52% | 3.81% |
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