Gold Market Cap: What Is All the World’s Gold Worth?

Working out gold’s market cap yourself

Gold’s market cap is above-ground tonnes × 32,150.7466 troy ounces per tonne × the price per ounce. With the World Gold Council’s estimate of about 216,265 tonnes mined through the end of 2024, that is roughly 6.95 billion troy ounces multiplied by the gold price.

1. Start with the above-ground stock: 216,265 tonnes.
2. Convert to troy ounces: 216,265 × 32,150.7466 ≈ 6.953 billion ounces.
3. Multiply by the price per ounce.
4. Divide by one trillion to express the result in trillions of dollars.

A handy rule: every $100 change in the price per ounce moves gold’s total value by about $0.7 trillion.

How many ounces of gold are in the world

About 6.95 billion troy ounces. Spread across a world population of roughly 8 billion people, that is less than one ounce each.

Checking the famous cube

Gold’s density is 19.32 grams per cubic centimeter, or 19.32 tonnes per cubic meter. Dividing 216,265 tonnes by 19.32 gives about 11,194 cubic meters. The cube root of that is about 22.4 meters, which is where the familiar “cube about 22 meters on a side” comes from. Gold is about 70% denser than lead, which is why so much value fits into so little space.

Why the headline figure is softer than it looks

A company’s market cap is the price of its shares times the number outstanding, and almost every share can be sold. Gold’s figure multiplies a price set by a small traded slice by a stock that mostly never trades.

• Most gold is not for sale at any given moment. Jewelry, heirlooms and religious objects make up the largest single category.
• Jewelry counts in the total at its gold content, not its retail value, and it would fetch scrap prices if sold.
• The stock is an estimate. Production before modern records has to be reconstructed, and the World Gold Council revises its figures.
• Central-bank holdings are often carried on official balance sheets at historical or statutory prices, not market prices.
• ETF gold is already inside the investment bars in the total, so adding ETF assets on top double counts.

U.S. official gold at book value

The United States holds about 8,133.5 tonnes of gold, around 261.5 million troy ounces, the largest official holding in the world. The Treasury carries it at the statutory price of $42.2222 per ounce, set in 1973, for a book value of about $11 billion. At market prices it is worth many times that, a gap that surfaces in periodic debates about revaluing the reserve.

The largest official holders

Central banks and international institutions hold a large share of the world’s gold reserves in a few hands. The figures below are approximate and change only slowly for most holders.

Several central banks that have been buying heavily, China and others among them, report their holdings with delays, so their totals are revised more often than those of the long-established holders.

How much gold is in the United States

The official figure covers only the Treasury’s reserve, stored mainly at Fort Knox, Denver and West Point. Gold held by American households in coins, bars and jewelry is not counted in any official U.S. total, and the New York Fed vault also stores gold belonging to foreign central banks, which is not U.S.-owned.

New supply each year

Mines have produced roughly 3,600 tonnes a year in recent years, which adds only about 1.7% to the above-ground stock. Because almost nothing is consumed, the total grows slowly and steadily, and the price, not the quantity, drives nearly all of the change in gold’s market cap from one year to the next.

Setting gold beside other assets

Rankings of “the world’s largest assets” often put gold at or near the top. The comparison is fair on arithmetic and loose on meaning.

Gold versus a large company

A company’s value rests on the cash it is expected to earn. Gold earns nothing; its value rests entirely on what the next buyer will pay. A $20 trillion gold stock and a $3 trillion company are measuring different things, even though both are expressed in dollars. The gold mining stocks page shows how the companies that produce gold are valued on their earnings instead.

Gold versus silver

Silver’s total is much harder to pin down. Most silver ever mined has been used up in photography, electronics, solar panels and other industrial uses, so above-ground estimates vary widely by source. Silver’s price per ounce is also a small fraction of gold’s. For the metal itself, see the silver price page.

What the estimate leaves out

Above-ground figures count gold that exists in a recoverable form. Gold scattered through old electronics, dental work and industrial components is spread in tiny amounts across billions of objects, and much of it will never be recovered economically. Gold lost in shipwrecks or buried hoards is either excluded or carried as an estimate. On the other side, illegal and informal mining in several countries goes unreported, so some gold enters the stock without ever appearing in production data. The published total is best treated as a careful estimate with a margin of a few percent either way, not a count.

Gold in different units

Market cap figures are usually given in ounces or tonnes, but the same arithmetic works per kilogram: one tonne is 1,000 kilograms, so the price per kilo times 216,265,000 gives the same total. The gold price per kilo page does that conversion.

Terms used in gold supply estimates

Figures on world gold supply come with their own vocabulary. These are the terms you will meet in estimates like the one above.

Why stock-to-flow matters for gold

Because the stock is so large compared with annual output, a year of disrupted mining barely changes the total supply. Price swings come mainly from changes in how much existing holders want to keep, not from changes in how much is dug up. Recycling adds a second stream of supply to the market each year, but recycled gold is existing metal being melted and reshaped, so it changes who holds the gold without changing the total.

To put your own figure on it, multiply 6.953 billion ounces by the gold price per ounce today.

For the highest total gold has ever reached, use the record close on the all-time high page.