https://fred.stlouisfed.org/series/IPMAN
https://www.brookings.edu/articles/global-manufacturing-scor...
> Manufacturing constitutes 27 percent of China’s overall national output, which accounts for 20 percent of the world’s manufacturing output. In the United States, it represents 12 percent of the nation’s output and 18 percent of the world’s capacity. In Japan, manufacturing is 19 percent of the country’s national output and 10 percent of the world total. Overall, China, the United States, and Japan comprise 48 percent of the world’s manufacturing output.