Under the gold standard, central banks issue as much gold as possible.

There won't be more and more gold because

1, central bank reserve.

2. Industrial consumption.

3. Residents' jewelry consumption.

Since humans mined gold, to 1986, the world has mined 107700 tons of gold. Most of this gold exists in various forms in the world. It is estimated that 40% of them are kept in various gold-inlaid jewels and currencies; 40% of them are deposited in the national treasury in the form of gold ingots; Another 20% is consumed by industry. It is estimated that privately owned gold (including gold bars, coins and jewelry) is as much as the official gold reserve.

At the end of 1985, the world's gold reserves were 653 15t, of which the official gold reserves in the United States were the largest, reaching 8220t, and the private gold reserves in France were the largest, reaching 6251t. The private reserves of India and the United States are both 3732t t.