How much gold is there in the world?

Ever wondered how much gold we've dug up over the centuries—and how much might still be hiding underground? This piece breaks down the staggering numbers: humans have mined about 208,000 tons so far, enough to fill a cube the size of a tennis court. But here’s the kicker—experts think we’ve only tapped about 30% of Earth’s total gold reserves. The rest is still buried, waiting.