title. Both the USA and its lapdog Israel are easily the most evil, cancerous countries to exist today, and almost everyone knows why.
Personally, I'd have to nominate Japan. Extremely xenophobic country, high suicide rates, exploitative work culture, etc.. Furthermore, as a Chinese, the fact that they still have shrines for their war criminals and whitewash their past is beyond deplorable, not to mention that right-wing anime fascists that simp for that country exacerbate my disdain furthermore.
If we define the worst countries as the ones that can affect the most people negatively by capitalism; this means imperialism, and also to consider if the country in question has a domestically large enough population to affect.
Which means, aside from the countries mentioned, they could be: UK and India.