I have an idea of exact opposite. Moneyless country, nobody makes any money and there is no money involved, there is no tax, nothing costs money at all. Considering there is wealth hoarding all around the world right now and rich people are making sure they get all the money in the world while keeping others poor, its obvious that our current monetary system doesn't work.
So, it will be first come first serve type of world, everyone will work somewhere, governments job will be putting everyone into works they can work unless people can find their own job of course in which case people can work wherever they want. In return government will make sure everything gets done, there is no money so there is no reason not to fix the problems countries have since they won't face budget problems.
Moneyless societies existed thousands years ago, but they all failed. Many people don't want to work, but they want to eat and be entertained. So they gather in groups and rob those who work, raping the sh*t out of them, male and female. That's how barbarians used to live, but they were eventually defeated by more cultured and sophisticated societies, who, btw, used money already.
But I'm not trying to say that current economic system is perfect. It has some big flaws, and it should be replaced by something new and more effective, but by something entirely new, not by something from the distant past.