Earlier quoted context omitted.
> China's GDP is growing at 6.3%. It's not clear to me the extent one can trust the official numbers from China.
Would you like to provide some evidence to the contrary for that or just a general "It's probably not true"? You could say the same about Western government debt that's creatively accounted, unemployment rates which avoid underemployment/participation and inflation which desperately needs to remain low to keep bond rates from bankrupting public balance sheets.
The unemployment rate vs labor force participation has been a part of Presidential debates since 2012, and also figured in the 2010 Congressional elections.
If you want to know more about how U.S. government debt is accounted for, the various Federal Reserve websites are informative, if a bit dry.
The China growth rate is probably not far from the truth, but there is not much public data published to back it up. It's reasonable to be skeptical. I think there's reason to believe that their actual growth rate is higher in some years and lower in others, as an artifact of the difficulty in getting accurate numbers.
I'm curious about your comparison of China to the United States. It seems like a whataboutism argument, which isn't really to the point of the topic.