England's dominance of global textile production in the 18th century was unprecedented—but it was the very Industrial Revolution that began in Britain that ultimately erased its monopoly. The mechanization of spinning and weaving, which started in Lancashire and Yorkshire, spread rapidly abroad, enabling competitors to undercut British prices while matching quality.
These inventions originated in Britain, but the knowledge was impossible to contain. Machinery designs, skilled workers, and entrepreneurs migrated—to Belgium, France, Germany, New England, and later Japan and India.
British artisans and engineers were recruited abroad (e.g., William Cockerill in Liège, Francis Cabot Lowell in Massachusetts). Machine exports were banned until 1843, but smuggling and memorization circumvented restrictions. By the 1830s, French, German, and American mills used British-built or copied equipment.
Britain's factory workforce was expensive relative to rural labor in the American South, India, Egypt, and later Japan. Competitors combined British machinery with cheaper workers—producing comparable cloth at lower cost. The 1860s U.S. Civil War (cotton famine) accelerated investment in alternative cotton sources (India, Egypt), building rival supply chains.
As other nations industrialized, they erected tariff walls:
By 1900, Britain's share of world textile exports had fallen from ~60% (1850) to ~25%. The U.S., Germany, France, Japan, and India had become major producers. Britain retained strength in high-end woolens and machinery exports, but the era of monopoly was over.
The irony: Britain invented the modern textile industry, then taught the world how to compete with it.