Poland spends the most on NATO (as a share of GDP) at 4.1%, as of 2024

How NATO works

NATO now includes 32 member nations—but how does the alliance actually function? This explainer breaks down its structure, decision-making process, and funding model. From its founding in 1949 to its collective response after 9/11, here’s how NATO operates on a global scale.

Nearly half of the discretionary funding in the US is allocated to national defense

The US accounts for roughly 35% of global military spending, with defense taking up nearly half of discretionary funds. In this discussion, Michael E. O'Hanlon of the Brookings Institution explains why these levels are so high—and how they compare historically.

US defense spending peaked during the Korean War at 13% of GDP

In 1953, during the Korean War, US defense spending reached 13.58% of GDP—more than three times today’s level. That peak marked the most militarized moment of the Cold War, and spending has never returned to that level since.

The global defense industry in one chart

The world's most valuable defense companies (for example, Lockheed Martin) make up much of the global defense industry. As of 2025, RTX led the pack with a roughly $183B market cap.

The most expensive EU countries

Among countries in the European Union, Luxembourg has the highest prices (52% higher than the EU average). Romania seems like it's the cheapest option in the EU at 46% below the EU average. Want to see how other countries such as Italy, France and Germany rank? Explore this color-coded map to learn more.

Tensions between the US and European NATO allies

The Associated Press article discusses US Defense Secretary Pete Hegseth's assertion in February of 2025 that restoring Ukraine's prewar borders or NATO membership for the country are both unrealistic. This represented a large rift between the United States and its other NATO allies, prompting concern about America’s commitment to the future of the alliance.

North Korea, in nine infographics

In recent decades, North Korea has spent nearly a third of its annual Gross Domestic Product on military spending, although data is not always forthcoming. This spending has funded major nuclear and missile projects as a means to deter attacks from...

The 1955 Warsaw Pact was the Soviet Union’s answer to NATO

The pact included Albania, Bulgaria, Czechoslovakia, East Germany, Hungary, Poland, Romania, and the USSR. The pact established collective security and a joint military command between the member countries.

Finland and Sweden joined NATO after Russia's invasion of Ukraine

In response to Russia's 2022 invasion of Ukraine, Finland and Sweden abandoned decades of military neutrality to join NATO, marking a major shift in Europe's security landscape and expanding the alliance to Russia's borders.

NATO leads cyber war games in Estonia

Estonia is host to one of the world’s largest annual interactive cybersecurity drills. Russia is always considered the main threat, but this year, the war in Ukraine has only added to the stakes.

86% of the world's 12,321 nuclear warheads are held by just two countries

As of early 2026, the US and Russia together control about 86% of the world's more than 12,000 nuclear warheads—over 9,600 in military stockpiles. None of the seven other nuclear nations holds more than 600.

The EPA budget was 0.2% of total federal spending in 2024

The EPA spent $13.7B in 2024, making it 23rd among federal agencies in total expenditures. Of that money, more than half was distributed to state environmental agencies for sustainability and environmental protection programs.

Eurovision voting largely follows cultural blocs

In 2025, France's AFP analyzed the voting data from every Eurovision Song Contest and found that how countries vote often reflects long-standing cultural associations, with Nordic countries, Baltic states, and former Soviet nations tending to vote in solidarity.

Germany’s invasion of Poland in 1939 launched World War II

On September 1, 1939, Nazi Germany launched a surprise invasion of Poland using blitzkrieg—coordinated air bombardments and armored assaults—to overwhelm Polish defenses within weeks. This lightning-strike strategy shocked the world and signaled both the start of World War II and a revolutionary shift in modern military tactics.

Calculate how much of your tax dollars go to each federal program based on your income, filing status, and number of children

The USPS spent $3.97B in 2024, accounting for .058% of the federal budget.

Comparing military power: China and Taiwan

When it comes to power, China and Taiwan are predictably lopsided, though in some regards Taiwan may be able to hold its own. This site crunches the numbers for each country and compares them side by side. See what the totals are and what either side's military seems to be focused on.

The world's most peaceful countries

Global Peace Index presents the most comprehensive data-driven analysis to date on trends in peace, including the most and least peaceful countries in the world.

See which age group pays the most in taxes each year

Americans between 45 and 55 pay nearly 30% of all income taxes, bearing the largest share of tax burden in the country. These taxpayers pay an average tax rate of around 17%.

In 2026, Finland was named the world's happiest country for the ninth consecutive year based on its wealth, social safety network, and high life expectancy, among other factors.

Norway operates the largest SWF in the world—managing more than $2T in assets

The fund is considered the gold standard SWF because of its transparency around investments, politically independent governance, and strong ethical boundaries that serve as the backbone of the investment philosophy. For example, fund managers will not invest in coal, tobacco, or nuclear weapons, because these investments are considered harmful to humanity.

Facebook dominated US social ad spend in the first half of 2024

This data visualization shows the social media platforms where advertisers spent the most money in the first six months of 2024, with Facebook leading the pack taking home 36.3% of US social ad spend.

The bizarre 1920 proposal to form a pizza-shaped central European state

In light of the challenges of the Treaty of Versailles, which concluded the Great War, a mostly unknown author, and son of the map's printer, PA Maas suggested central Europe be integrated into a single state. With a central capital in Vienna, 24 Kantons, or regions, would radiate outward in pie-slice shapes.

Affluence largely influences where Michelin stars are awarded

Countries with high GDP are the most highly decorated with Michelin stars. As this 2024 in-depth statistical analysis notes, though, that appears to be changing, with the Guide beginning to recognize other areas of the globe.

Pension funds' allocations to risky, alternative investments increased by 25% between 2001 and 2021

The portion of pension funds' risky investments, including alternative investments such as private equity, increased from 14% in 2001 to 39% in 2021. Analysts say private equity investments have delivered higher returns than traditional assets like stocks and bonds. Increased investment in private equity has also given pensions a way to recover from the 2008 financial crisis without necessarily investing more money.

Japan has one of the largest debt-to-GDP ratios among developed countries

On the face of it, this appears to be a bad sign. But a closer look at Japan’s investment strategies reveals that its relatively high debt might be more sustainable than meets the eye.

To be in Connecticut's 1%, you'd need to earn more than $1M per year

That makes Connecticut the most competitive state in the country when it comes to joining the 1%. This map outlines how much it takes in the other states.

In a 2012 poll, Brits named Washington as the kingdom's greatest military enemy

The poll by the UK's National Army Museum ranked Washington above Irish independence hero Michael Collins, France's Napoleon Bonaparte, German Field Marshal Erwin Rommel, and Mustafa Kemal Atatürk.

The Russia-Ukraine conflict is the largest ground war in Europe since World War II in casualties, forces mobilized, and displacement of civilians.

The United States is one of only around two dozen countries with a fully federal system of government, in which power is divided between national and state governments.

44% of Americans say they pray at least once a day—discover how your state's religiosity stacks up against the rest of the country.

The US dollar is the most widely circulated currency in the world, and is involved in nearly 90% of global transactions

US housing costs have risen by roughly 175% between 1991 and 2026—but a growing number of Gen Zers are becoming homeowners anyway. In 2025, 4% of homebuyers were Gen Z, up from 3% the year before.

The most expensive ad of all time was for Chanel No. 5 perfume and cost roughly $33M to produce in 2004—about $57M in today's dollars.

In 2025, four executives from large tech companies were given positions in the US Army Reserves—including Palantir Chief Technology Officer Shyam Sankar, which reinforced Palantir's ties with the US military and its role as a leading defense partner.

The Nasdaq's 'Magnificent 7' companies are responsible for roughly 40% of the Nasdaq 100 index's gains, while the remaining 93 companies account for the other 60%.

The power and influence of the American presidency have expanded significantly over time—far beyond what the founders envisioned.

An investigation suggests a Scottish island became awash in forever chemicals via seafoam and seaspray—raising questions about what that means for the safety of other coastal areas.

Fireworks-related ER visits are on the rise—in 2024, they increased by 52% as compared to the prior year.

The syncytiotrophoblast is the outer layer of the placenta and the largest human cell, spanning an area about twice that of a king-sized bedsheet.

Stanford built a Google Maps for the Roman Empire, revealing how much it cost to travel in the ancient world

Neutron stars, the remains of some massive stars after they explode in a supernova, are the densest directly observable objects in the universe.

Electrical grids worldwide must double their power delivery capacity by 2050 to meet surging demand from AI and electric vehicles.

Alzheimer's can lead to brain shrinkage, with an average of around 2% of volume reduction per year

A pickleball's loud 'pop' sound can reach 120 decibels, which is equivalent to a hammer hitting a nail

While El Niño moves warm Pacific Ocean waters east along the equator, La Niña moves them west, shifting where rainfall will become more common for months.

Lesser-known phobias include turophobia, or the fear of cheese, and nomophobia, the fear of being without your cell phone.

Explore the known asteroids, comets, and spacecraft involved in asteroid studies within our solar system with 'Eyes on Asteroids,' a 3D visualization from NASA.

Art theft is the third-largest source of criminal revenues worldwide, thanks in part to the subjective nature of valuing a work of art.

American dance legend Martha Graham, sometimes called 'the Picasso of dance,' refused to perform at the 1936 Olympics in Berlin and conceived the piece 'Chronicle' in response to the experience.