For (2) China doesn't look too different from the U.S., for (3) experts think it has gotten much worse since the time of Mao but I'd say China is on the honest side of the "global South".
Note that lay perceptions of corruption are widespread in the US
https://yougov.com/en-us/articles/51398-most-americans-see-c...
https://news.gallup.com/poll/185759/widespread-government-co...
https://www.occrp.org/en/news/survey-reveals-corruption-as-t...
though unlike India I think very few Americans have paid a bribe to a cop. See also
https://www.pewresearch.org/religion/2026/03/05/in-25-countr...