McKinsey & Company 3 Years to double per capita GDP 2000 1900 1800 1700 United Kingdom 154 United States 53 Germany 65 South Korea 10 China 12 India 16 Japan 33 Country Population at start of growth period (million) 9 10 28 22 1,023 822 48 Industrialization happening 10x faster at 300x prior scale