Only as long as the police can enforce the citation. If they don't have the means to do so then it is meaningless..
And the international community has the ability to enforce most of their decisions. They just do so in indirect ways. Sanctions. Diplomatic punishment. Other avenues of resort...but its rarely a "omg lets force our way in and change everything" kind of deal.
No, a top five is not enough to give out. Top five in whose book, yours or reality?
Reality. US News and World Report which is the standard bearer for US rankings. And your opinion on how much to give out means exactly jack shit.