First, I agree your list is a better source, though India offsets the Asian countries you mentioned.
As for populations being irresponsible, please feel free to explain your reasoning behind this claim, since unless I am missing something, it’s missing from your comment.
Again, if it’s so easy to not do X then getting even small countries that are democratic should be easy; obviously not, in fact, this has nothing to do with countries and everything to do with cultural norms, or the lack there of.