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Comparing Military Spend Around the World

One of the easiest ways to identify a nation’s priorities is by tracking its expenditures, and military spend is no different.

Usually spending is measured, and ranked, in absolute amounts. For example, countries around the world collectively spent $2.1 trillion on their militaries in 2021, with the most coming from the U.S. ($800 billion), China ($293 billion), and India ($77 billion).

But these eye-popping figures are best understood in the context of each country’s economy. Using data from the Stockholm International Peace Research Institute (SIPRI), Varun Jain has visualized 158 countries’ military expenditures, both as a percentage of their total GDP as well as in average per-capita spend.

Countries’ Military Spend as a Percentage of their Economy

To begin, Jain identified three categories of military expenditure as a percent of GDP, using the five-year (2018‒2022) average for more consistent data:

Under this categorization, the stand outs are the countries spending an outsized amount of their economic output on military, rather than the highest total spenders in absolute terms.

At the top of the table is Ukraine, which has earmarked a staggering average of 9.46% of its total economic output on defense over the past five years. That’s well ahead of second-place Saudi Arabia, which is slightly above 8%.

In Ukraine’s case, its high ranking shows how quickly priorities can change. From 2018 to 2021, the country spent 3.2-3.8% of its GDP on its military, but the outbreak of war with Russia saw its expenditures jump to one-third of economic output.

Other countries from the Middle East and North Africa follow in this tier, with Oman third at 8.11% and Qatar fourth with 5.88%. Rounding out the top seven high spenders are Algeria, Kuwait, and Israel.

The medium group consists of 44 countries and is led by four nations (Jordan, Armenia, Azerbaijan, and Lebanon) that all spend more than 4% of their GDP on their militaries. Other familiar countries known to have large military budgets, like Russia, Pakistan, the U.S., India and the UK, are also in this category.

The low spend group has a total of 107 countries, but also contains some surprises. For example, China, France, and Germany—all in the top 10 countries by absolute military spend—actually have similar amounts of military spend as a percent of GDP as Georgia, Cyprus, and North Macedonia respectively.

At the bottom of the table are countries with either low military importance, or strange technicalities. For example, Mauritius is one of the countries with the lowest military budgets because it doesn’t officially have a standing military, instead relying on two paramilitary forces (a special mobile force and a Coast Guard).

Similarly, Iceland allocates 0% of its GDP towards military spending. In place of a standing army, the country maintains a specialized peacekeeping force, a substantial Coast Guard, and relies on security alliances within NATO, of which it is a member and provides financial support to.

Ranking Defense Spending Per Capita

While the measure above equalizes military spend on economic strength, per-capita military spending shows how much countries allocate while accounting for population size.

On a per-capita basis (again using a five-year average), Qatar leads the ranks with a per-capita spend of $4,564, well-ahead of Israel at $2,535, and Saudi Arabia at $1,928.

Measured this way, we get a perspective of how small defense budgets can be per person, even if the total expenditure is large.

For example, India has the fourth-highest total defense expenditure in 2022, but because of its massive population only sets aside $53 per resident for its military, putting it solidly at the bottom third of the per-capita rankings.

Patterns Revealed By Measuring Military Spend

Changing how we look at a country’s military budget can reveal a lot more than just looking at absolute numbers.

For example, the Middle East is the region with the highest spenders on defense as a percentage of their GDP, giving us insight into regional security concerns.

Countries from the medium group of military spending—including parts of Eastern Europe, sub-Saharan Africa, and South Asia—highlight past or recent conflict zones between neighbors, countries with internal strife, or countries wary of a regional aggressor. Ukraine’s average per capita military spend, for example, was just $122.4 from 2018 to 2021. The next year, it jumped nearly 10 times to $1,018.66 per person after Russia’s invasion.

In fact, European military spending saw its sharpest one-year jump in 30 years as a direct result of the war.

Alongside European anxieties, ongoing tension between China and Taiwan has also contributed to increased military spending in Asia and Oceania. Will these budgets continue their dramatic ascent or will they rise evenly alongside their relative economies in 2023?