Kuwait, Jordan, Oman, Qatar, Bahrain, Saudi Arabia, Cambodia, Bhutan, Nepal (declared federal democracy in May 2008), Japan, Thailand and Brunei; Europe has Britain, Luxembourg, Norway, Sweden, Spain, Denmark, the Netherlands, Belgium, Monaco and Liechtenstein; Africa has Morocco, Lesotho and Swaziland; Oceania has Tonga.

Among them, the kings of Kuwait, Jordan, Saudi Arabia, Cambodia, Thailand, Morocco and Tonga still have certain powers. Among them, Tonga just abolished feudalism last week, which is the latest country in the world. Others are symbolic heads of state with limited rights.