If a judgement is made against someone who no longer lives in the US, does not have assets in the US or derives their income from the US how is it collected? China

Depending on what the other nation is, many times it is not collected.

If a judgement is made against somone who no longer lives in the US, does not have assets in the US or derives their income from the US how is it collected?



What other Country? Some cooperate, some do not.