6. Brunei Disclaim: –
Brunei Disclaim is a country that is at a number 6 position in terms of richness and the capital of this country is Bandar Seri Begawan. Its population as per 2012 survey is 412,238 and a GDP of 41,126.61 USD. Thus, this is the most adorable country that has heavy visitors every year and is a best place for tourism.