Executive monarchies : Bhutan , Bahrain , Jordan , Kuwait , Liechtenstein , Monaco , Morocco , Tonga , Swaziland and the United Arab Emirates .
Contemporary constitutional monarchies include the United Kingdom and Commonwealth realms , Belgium , Bhutan , Bahrain , Cambodia , Denmark , Japan , Jordan , Kuwait , Liechtenstein , Lesotho , Luxembourg , Malaysia , Monaco , Morocco , the Netherlands , Norway , Spain , Swaziland , Sweden , and Thailand .