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Portugal Extracted More Than 800 Tons of Gold from Brazil in the 18th Century, but It Was England That Kept the Largest Part of This Fortune — and Turned It Into Industrial Power.
In the 18th century, Portugal held one of the greatest fortunes ever extracted from the earth: the gold from Brazilian mines.
There was so much precious metal that, for a time, Lisbon seemed to be transforming into the new capital of global opulence. But the shine did not last long. While the Minas Gerais mines were bustling with activity, most of the fortune did not remain in Portuguese territory.
It headed towards London, fueling British banks, supporting the Industrial Revolution, and consolidating the United Kingdom as a global economic power.
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The historical paradox is evident: the more gold Portugal extracted, the more dependent and stagnant its economy became.
The Largest Gold Rush in History
At the end of the 17th century, Paulista bandeirantes discovered the first veins of gold in the region that would come to be known as Minas Gerais.
In a short time, the discovery spread and triggered an unprecedented gold rush.
The Portuguese crown began to officially control the extraction and shipment of the precious metal to Lisbon, collecting taxes such as the quinto – 20% of everything that was extracted.
The 18th century was the peak of this mining. It is estimated that over 800 tons of gold were removed from Brazilian soil and sent to Portugal during this period.
This number is based on official records from the Casa da Moeda in Lisbon and from the Portuguese colonial administration.
The data indicates that between 1697 and 1760, there were over 529 tons. Between 1753 and 1801, another 280 tons were recorded.
This extraordinary quantity made Minas Gerais the economic center of the colony. Cities like Ouro Preto (formerly Vila Rica) exploded in population and wealth.
By 1750, Ouro Preto had more inhabitants than New York. The entire structure of the colony changed: Rio de Janeiro became the new capital, given its proximity to the gold export routes.
The Methuen Treaty and the Economic Trap
In 1703, Portugal and England signed the Methuen Treaty, also known as the Treaty of Cloth and Wine.
The agreement stipulated that Portugal would buy woolen fabrics from England at low tariffs, while the English would reduce the tax on Portuguese wines, especially port wine.
In practice, it seemed like a good deal: the English drank Portuguese wine, and the Portuguese dressed in English fabrics.
But there was a problem. British fabrics were much more expensive than wine.
Moreover, the English industry was already showing signs of modernization, with more advanced production techniques.
Meanwhile, Portugal had no solid industrial base. The result: Portugal began to import much more than it exported, creating a chronic imbalance in the trade balance with England.
Without a strong industry and competitive products, Portugal could not balance its accounts. The only solution was to pay the difference with the gold coming from Brazil.
And that is exactly what happened. Ships laden with gold left Lisbon headed for London, as a way to settle the imported goods.
Two-Thirds of the Gold Went to England
Historians point out that about two-thirds of all the gold extracted in Brazil ended up, directly or indirectly, in English coffers.
This estimate takes into account the permanent trade deficits that Portugal accumulated with England. The gold sent from the colony was used to finance Portuguese consumption of British products.
Once in London, this gold was absorbed by the English financial system. Part of it was deposited in the newly created Bank of England, founded in 1694.
Another part became backing for the minting of coins, like the gold guineas. The metal also served to expand the credit and financing capacity of the British economy.
In other words, that gold that flowed from the rivers of Minas Gerais and passed through Lisbon ended up as the foundation for the future Industrial Revolution.
Meanwhile, the gold spent little time in Portugal. The Portuguese metropolis functioned more as a transit point than as a final destination.
The Portuguese rulers themselves were aware of this. Documents from the time show that there were criticisms of dependence on England and the outflow of gold.
Still, the commercial pact and the inability to produce manufactured goods kept Portugal trapped in this unequal relationship.
The English Industrial Revolution and the Role of Brazilian Gold
England was the first country to experience the Industrial Revolution, a process that began in the second half of the 18th century. This transformation required a huge amount of capital: to build factories, finance machines, open roads, and foster trade. Brazilian gold helped in this process.
This is not to say that the Industrial Revolution was only possible because of the gold coming from Portuguese America.
There were other factors, such as the availability of coal, urban labor, and technical innovations. But the role of gold as a catalyst for investments is recognized by economic historians.
It provided liquidity, financial stability, and confidence in the British monetary system.
Furthermore, by strengthening England’s balance of payments, gold allowed the British to import raw materials, sustain wars, and maintain their imperial expansion without compromising their internal finances.
While England built railroads and steam engines, Portugal maintained the appearance of wealth, but without structural progress.
Portuguese Stagnation Despite Wealth
The Portuguese case is a classic example of the so-called “paradox of easy riches.” Instead of using gold to diversify its economy and foster industries, Portugal became increasingly dependent on imports. The temporary luxury of Lisbon and the ostentation of the elites masked a country that was not modernizing.
Over time, the Brazilian mines began to decline. From 1760 onwards, gold production fell. Without the abundant resource source, Portugal plunged into fiscal crises.
With no solid production structure or accumulated reserves, the country entered economic decline. Many scholars consider this moment the beginning of the end of Portuguese global influence.
Even during the height of the gold cycle, inequality was enormous. While the top of the elite benefited from the resources, a large part of the population — both in Brazil and in Portugal — lived in precarious conditions. Mining relied on slave labor, and part of the gold itself was used to purchase captives in Africa.
The Fortune That Portugal Lost
What could have been the foundation for lasting economic transformation became just a phase of fleeting brilliance. When analyzing the numbers and long-term effects, it is clear that the ones who benefited most from Brazilian gold were the English.
London emerged as a global financial center, with strong banks, a reliable currency, and global financing capacity. All of this was facilitated by the continuous influx of foreign gold, a significant part coming from Minas Gerais.
Portugal, on the other hand, was left with palaces, churches, and monuments — but without solid foundations to compete with the great powers of the 19th century.
In symbolic and practical terms, Brazilian gold was a gift that the Portuguese handed over to the English in exchange for expensive fabrics, wines, and promises of military protection.
When the Empire Was Golden, but the Profit Was English
By the end of the 18th century, the contrast was evident. Portugal boasted a glorious past, but had an uncertain future.
Meanwhile, England, fueled by a mix of pragmatism, industry, and foreign resources, emerged as a global power.
The gold that left Vila Rica and so many other mining cities was transformed into locomotives, wires, and banks.
Today, when observing the financial power of London, it is possible to draw a direct line to the riverbeds of the interior of colonial Brazil.
The English capital, home to institutions like the Bank of England and the Stock Exchange, built part of its foundation on this gold. Official history may not emphasize this, but the numbers and connections are there.
Portugal did have a golden empire. But most of that gold did not stay in Lisbon. It ended up in British coffers, transformed into leverage for the industrial age.
It is a chapter that teaches about economic choices, dependencies between empires, and the hidden costs of colonial glory.
Even after the end of the gold cycle, the effects of wealth outflow continued to be felt for centuries.
Many historians consider the Methuen Treaty and the massive transfer of Brazilian gold as one of the structural factors behind Portugal’s economic decline and England’s rise.
Today, this episode is studied as an example of how a nation can lose its wealth even when it is flowing through its hands — if there is no strategy to retain it.
Mudou para pior, inclue terras raras, urânio, drogas, biologia, tudo de bom. Aqui cresce a contaminação, buraco e miséria.
Todo garimpeiro acaba pobre, gasta tudo com luxúria, os nossos políticos continuam atravessadores das nossa riquezas vendem tudo barato para os estrangeiros; pois não sabem valorizar o que temos e o que produzimos. O Brasil é o garimpeiro que os políticos continuam explorando vendendo o seu ouro barato para os ingleses. A anglo Gold empresa inglesa explora todo ouro do Brasil.
Não é exatamente o que fazemos hoje? Dar nossas riquezas aos estrangeiros e ficamos com migalhas,pagando altos impostos somente para a elite política do país desfrutar dessa riqueza? Infelizmente! Pagamos caro por esses erros!