The full story
The great gold rushes, and the rush for critical minerals
A gold rush is a particular kind of event: a find that anyone could exploit, news that travels faster than the ability to control it, and a surge of people who arrive before any law or company does. Between 1848 and 1900 the pattern repeated in California, Australia, South Africa and the Yukon, and it shaped cities, countries and the world money supply.
California, 1848 to 1855
James W. Marshall found gold at Sutter's Mill on the American River on 24 January 1848. By the end of 1848 the news had reached the eastern United States, and in 1849 the forty-niners arrived. About 300,000 people came between 1848 and 1855, roughly half by sea and half overland. The US Census Bureau estimates that about 750,000 pounds of gold were recovered in those years. California became a state in 1850.
Victoria and the Eureka Stockade
Australia's rushes began in 1851. In Victoria the population grew sevenfold, from 76,000 to 540,000, between 1851 and 1860. Anger at the miner's licence and the way it was enforced led to the Eureka Stockade at Ballarat on 3 December 1854, when troops attacked a stockade built by diggers. The event is widely seen as a turning point in the development of Australian democracy.
The Witwatersrand: gold becomes an industry
The Witwatersrand main reef was found in 1886 on the farm Langlaagte. Its gold sat in thin, deep reefs that only companies could mine, with shafts that eventually went kilometres down. Johannesburg grew out of the diggings. The basin has produced on the order of 50,000 tonnes of gold; claims that it holds 40% of all gold ever mined are widely repeated, but published estimates differ.
The Klondike
The Klondike rush started with a find on Bonanza Creek on 16 August 1896. About 100,000 people set out in 1897 and 1898, and 30,000 to 40,000 arrived. Many turned back on the passes from the coast, where they had to haul a year's worth of supplies.
How much gold is there?
The World Gold Council estimates that about 219,890 tonnes of gold had been mined by the end of 2025, two-thirds of it since 1950. World mine output was about 3,300 tonnes in 2025 (USGS). At 19.3 tonnes per cubic metre, all of it would form a cube about 22.5 m on each side.
The new rush
Today's rush is for the metals of electrification. World lithium mine output rose from about 82,500 tonnes in 2020 to about 290,000 tonnes in 2025 (USGS), and the IEA reports demand growth of nearly 30% in 2024. Unlike the 19th-century rushes, this one runs through stock exchanges, offtake contracts and government lists of critical minerals, and its bottleneck is often refining rather than digging.
What the old rushes teach today's executives
- Easy deposits go first. Placer gold lasted a few years; the long-lived value was in hard-rock and deep mining that needed capital. Lithium brine and spodumene projects face the same shift from early movers to industrial scale.
- Rules follow the rush. Licences, claims law and protests (Eureka) shaped who got the gold; today, permitting, royalties and critical-mineral policy play that role.
- Rushes overshoot. Many stampeders never reached the Klondike, and lithium prices fell sharply after their 2022 peak while output kept rising.
Questions people ask
When did the California gold rush start?
Gold was found by James W. Marshall at Sutter's Mill in Coloma on 24 January 1848. News spread through 1848, and the main rush of the forty-niners came in 1849.
How many people joined the California gold rush?
About 300,000 people came to California from the rest of the United States and abroad between 1848 and 1855. San Francisco grew from about 1,000 people in 1848 to about 25,000 in 1850.
How much gold has ever been mined?
The World Gold Council estimates about 219,890 tonnes had been mined by the end of 2025. Gold is so dense (about 19.3 tonnes per cubic metre) that all of it would make a cube roughly 22.5 metres on each side.
Is there a modern gold rush for critical minerals?
In output terms, yes: world lithium mine production rose from about 82,500 tonnes in 2020 to about 290,000 tonnes in 2025 (USGS). The IEA reports that lithium demand rose by nearly 30% in 2024. Unlike the 19th-century rushes, this one is driven by governments, carmakers and battery makers as much as by prospectors.
