Do you remember those 10 most expensive things humans ever built? The combined cost was $215 billion. While that may sound massive, here's what'll really blow your mind: the world spends that much on military every single month.
Actually, it's worse. In 2024, global military spending hit $2.7 trillion. That's $2,718,000,000,000. So many zeros your brain can't even process it. Let me put it another way: we could build everything on that list - the space station, the telescope, the aircraft carriers, all of it - twelve times over. In just one year.
Breaking Down the Madness
Every year, Earth's nations spend enough on weapons and soldiers to:
- Build 18 International Space Stations ($150 billion each)
- Launch 270 James Webb Space Telescopes ($10 billion each)
- Create 208 Gerald R. Ford aircraft carriers ($13 billion each)
- Fund NASA for the next 108 years (at current budget levels)
But those comparisons are still too abstract. Let's get real about what this money could actually do.
The Numbers That Should Make You Angry
The world spent $2.7 trillion on military in 2024. That breaks down to:
- $7.4 billion per day
- $308 million per hour
- $5.1 million per minute
- $86,000 per second
Every second you spent reading that, the world burned through enough money to buy a house. Not rent - buy.
Here's where it gets really insane. The United States alone spent $997 billion - that's 37% of the global total. China came second with $314 billion. Russia third at $150 billion. These three countries together account for more than half of all military spending on Earth.
What We Could Have Instead
1. End World Hunger

The UN estimates it would cost $40 billion per year to end world hunger. That's 1.5% of annual military spending. We could feed every hungry person on Earth and still have $2.66 trillion left over for bombs.
2. Universal Healthcare

The World Health Organization says $200 billion annually could provide basic healthcare to everyone on Earth who lacks it. That's 7.4% of military spending. We choose weapons over healing.
3. Clean Water for All

Providing clean water and sanitation to every human would cost about $150 billion per year for 10 years. That's 5.5% of one year's military budget. Instead, 2 billion people lack safe drinking water at home.
4. Education Revolution

UNESCO estimates $39 billion annually could ensure every child gets primary and secondary education. That's less than what the world spends on military in 5 days.
5. Climate Crisis Solution

The International Energy Agency says we need $1 trillion per year to reach net-zero emissions by 2050. That's serious money - but still less than half of what we spend on military. We're literally choosing war over saving the planet.
The Space Comparison That Hurts
NASA's budget for 2024 was $24.9 billion. That's 0.92% of global military spending. Here's what that tiny fraction achieved:
- Operated the Mars rovers
- Ran the James Webb Space Telescope
- Maintained the International Space Station
- Developed new rockets and spacecraft
- Conducted thousands of scientific experiments
- Inspired millions of kids to study science
The entire Apollo program that put humans on the moon cost $25 billion in 1973 dollars (about $150 billion today). That's what the world now spends on military every 20 days.
Country by Country Insanity
Let's look at what individual nations are doing:
United States: $997 billion could have:
- Rebuilt every bridge in America (estimated at $260 billion)
- Provided free college for every American for 10 years
- Ended homelessness 40 times over
- Given every American $3,000 cash
China: $314 billion could have:
- Built 1,000 new hospitals
- Planted 300 billion trees
- Provided clean energy to every Chinese home
- Built high-speed rail connecting every major city
Russia: $150 billion (while at war) represents:
- 7.1% of their entire GDP
- More than their entire healthcare budget
- 4 times their education spending
- Money that could have modernized every Russian school
The Human Cost Calculator
Military spending isn't just numbers - it's choices. Every dollar spent on weapons is a dollar not spent on people. Here's what just one day of global military spending ($7.4 billion) could buy:
- 148,000 teachers' annual salaries
- 7.4 million laptops for students
- 370,000 affordable housing units
- Medicine for 74 million people for a year
- Solar panels for 1.5 million homes
Historical Insanity
Military spending keeps breaking records:
- 2024 saw a 9.4% increase - the biggest jump since the Cold War ended
- We've had 10 straight years of increases
- Current spending is 37% higher than in 2015
- 100+ countries increased military budgets in 2024
Meanwhile, NASA's budget is less than 0.5% of what America spends on military. The National Endowment for the Arts gets 0.003%. We spend twice as much on air conditioning for military bases in Iraq and Afghanistan as we do on the entire Environmental Protection Agency.
The Opportunity Cost
Economists call it "opportunity cost" - what you give up when you choose one thing over another. The opportunity cost of $2.7 trillion in military spending is staggering:
- Scientific Research: We could fund 270,000 PhDs researching cancer, climate change, and renewable energy.
- Infrastructure: We could rebuild every road, bridge, airport, and power grid in the developed world.
- Environment: We could plant 2.7 trillion trees (360 trees for every person on Earth).
- Technology: We could give every human on Earth a smartphone, laptop, and internet connection.
- Space Exploration: We could establish permanent bases on the Moon and Mars, and still have money left over.
The Psychology of Big Numbers
Why don't people riot in the streets over this? Because our brains literally can't comprehend numbers this big.
Here's a thought experiment: If you earned $1 per second, it would take you 32 years to make $1 billion. To make $2.7 trillion? That's 85,600 years. Humans have only existed for about 300,000 years.
Another way to think about it: If you stacked $2.7 trillion in $100 bills, the pile would reach 1.8 million miles high. That's to the moon and back. Four times.
The Defense Industry Magic Trick
How did we get here? The defense industry has pulled off history's greatest magic trick: convincing us that spending more on military makes us safer. But does it?
- The US spends more than the next 9 countries combined
- We have 750+ military bases in 80+ countries
- We're still not "safe" from terrorism, cyber attacks, or pandemics
- The real threats (climate change, pandemics, inequality) can't be solved with bombs
What About Jobs?
"But military spending creates jobs!" they say. Sure, but it's the least efficient job creator imaginable. Studies show that $1 billion in military spending creates about 11,000 jobs. The same money spent on:
- Education creates 25,000 jobs
- Healthcare creates 17,000 jobs
- Clean energy creates 17,000 jobs
- Infrastructure creates 15,000 jobs
We're literally choosing the worst possible job creation program.
The Nuclear Madness
Within that $2.7 trillion, about $100 billion goes to nuclear weapons annually. There are 13,000 nuclear warheads on Earth - enough to destroy civilization many times over. We spend billions maintaining weapons we can never use without ending the world.
The US alone plans to spend $1.7 trillion over 30 years modernizing nuclear weapons. That could end poverty in America. Instead, we're upgrading our ability to destroy the world.
Small Changes, Huge Impact
What if we just cut military spending by 10%? That's $270 billion per year. With that money we could:
- End homelessness globally
- Provide clean water to everyone
- Fund massive renewable energy projects
- Double global spending on medical research
- Still have $50 billion left over
But we won't. Because fear sells better than hope.
The Ultimate Comparison
Remember those 10 most expensive things ever built? Here's the final mind-bender: their combined cost of $215 billion is what the world spends on military every 29 days.
The International Space Station took 13 nations working together for 30 years and $150 billion. Global military spending burns through that in 20 days.
The Large Hadron Collider unlocked secrets of the universe for $9 billion. Military spending devours that in 30 hours.
The Choice We Make Every Day
This isn't about being anti-military or naive about security. It's about proportion. It's about choices. It's about what we value as a species.
Every year, we collectively decide that preparing for war is worth:
- 67 times more than ending hunger
- 13 times more than universal healthcare
- 69 times more than educating every child
- 2.7 times more than saving the planet from climate change
In my previous article in this most expensive things series, I said we spend more on military in 6 months than all those mega-projects combined. I was wrong. It's actually worse - we spend that much every single month.
We live on a planet where we've mastered the art of destruction but claim we can't afford to feed hungry children. Where we can coordinate 100 nations to prepare for war but can't coordinate them to stop destroying our only home.
The $2.7 trillion we spend on military each year isn't just a number. It's 2.7 trillion choices to prioritize death over life, fear over hope, destruction over creation.
Next time someone says we can't afford healthcare, education, or climate action, remember this number: $86,000 per second. That's what we spend on military. Every second. Of every day.
We don't have a money problem. We have a priority problem. And until we fix it, we're just very well-armed idiots on a dying planet.
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