Kuwait, is the most valuable currency in the world.When it comes to the world highest, these currencies gave the US Dollar a run for its money which is the most valuable currency. With such a high demand for oil, Kuwait’s currency is bound to be in demand. Another thing to note is that if you work in Kuwait, you do not have to pay any sort of taxes.Kuwait is a country known for its great exploits in the oil industry. It has a globally stable economy. This goes a long way to show that this country is doing well for itself.n it gained independence from the British empire and it was equivalent to one pound at that time.Production of petroleum products in Kuwait is easy and the production cost is the cheapest compared to other countries. An interesting fact about the country is that Kuwait is a tax-free country and the unemployment rate is very low.