there are many countries which are not better to live in than the US.  maybe it would be easier to ask which ones are better.  in this case i would say the scandinavian countries, holland, switzerland, luxembourg, canada undoubtedly.  Maybe some other european nations too, but this could be disputed.  Yes, I have been to these countries, and, especially in the case of most of the scandinavian countries, I found they typically enjoyed a higher quality of life, more freedoms, a more rational justice system, and social protections which do not exist here.  There are many good things about america too, but people who insist that it is the best have obviously not traveled much.  likewise, people that consider it one of the worst have probably not traveled much either, because it is definitely towards the top, if not quite at the top.