The global economy is worth a mammoth $86 trillion (£69.6trn). Yet what’s even more staggering is that 80% of that figure is hogged by just 20 countries. Using data published by the World Bank in 2019, we take a look at these economic powerhouses and how they got to where they are today. Counting down from the 20th biggest to the most enormous, we reveal the largest economies around the globe.