Ah yes so China or Russia can invade and establish a totalitarian regime. Excellent idea.
Not in % of gdp. The only metric that matters. The US economy is massive in size so of course the budget is a big number.
> one of which is china manages to defend itself with a tenth of the budget.
Everything is cheaper in China. You can do a lot more with one million there than in the US.
edit: BTW, is there any actual proof that this whole military budget dissuades Russia and China in any way?