Andorra is not a member state now of the European Unions, but has the euro as the official currency for that area. The country has been a member of the United Nations, since 1993. The country has one of the highest life expectancy in the world at age 81, years according to sources. How in Andorra the country? It is a beautiful area. Why is Andorra wealthy or rich? It is rich because of the skiing and hiking, which are a large business there, and a lot of growth is coming there.