Monarchies of the Modern World: Countries Ruled by Kings and Queens in 2025


As of 2025, there are 43 sovereign countries in the world where a monarchy is the form of government, meaning they are headed by a king, queen, or equivalent royal leader. These monarchies vary from constitutional (where the monarch has mainly ceremonial duties) to absolute (where the monarch holds significant political power) and include countries on every continent except Antarctica.​

Types of Monarchies

  • Constitutional Monarchies: Here, the monarch's powers are mainly symbolic, with real political power held by elected governments. Examples include the United Kingdom, Japan, Sweden, Spain, Thailand, Norway, Denmark, the Netherlands, and Belgium.
  • Absolute Monarchies: The monarch holds absolute authority and often governs without significant constitutional limits. Examples are Saudi Arabia, Eswatini (Swaziland), and Brunei.
  • Federal Monarchies: Multiple regions or states have their own monarchs, but an overall king rules the federation. Malaysia and the United Arab Emirates (UAE) are the best-known examples.
  • Mixed Monarchies: These combine features of the above, often specific to unique national traditions  such as Jordan, Morocco, and Liechtenstein.​

Commonwealth Realms

Fifteen nations, known as Commonwealth realms, share one monarchcu rrently King Charles III—including:

  • United Kingdom
  • Canada
  • Australia
  • New Zealand
  • Jamaica
  • Bahamas
  • Belize
  • Papua New Guinea
  • Grenada
  • Antigua and Barbuda
  • Saint Kitts and Nevis
  • Saint Lucia
  • Saint Vincent and the Grenadines
  • Solomon Islands
  • Tuvalu. more

Other Monarchies

Other notable countries headed by a king or queen (either constitutional or absolute) are:

  • Spain
  • Sweden
  • Norway
  • Denmark
  • Netherlands
  • Belgium
  • Thailand
  • Japan
  • Saudi Arabia
  • Morocco
  • Jordan
  • Bhutan
  • Brunei
  • Malaysia
  • Lesotho
  • Tonga
  • Monaco
  • Liechtenstein
  • Qatar
  • Kuwait
  • Oman
  • Bahrain
  • Cambodia
  • Eswatini

Overview Table

RegionExample MonarchiesType
EuropeUK, Spain, Sweden, Norway, Denmark, Belgium, Netherlands, Liechtenstein, MonacoMostly Constitutional
AsiaJapan, Thailand, Malaysia, Cambodia, Brunei, Bhutan, Saudi Arabia, Jordan, Qatar, Oman, Bahrain, UAE, KuwaitMixed
AfricaMorocco, Lesotho, EswatiniMixed/Absolute
OceaniaTonga, Commonwealth RealmsMixed
AmericasCommonwealth Realms (e.g., Canada, Jamaica), Saint Lucia, Saint Kitts and NevisConstitutional


Monarchies today differ greatly in how much power the sovereign actually has. In most, monarchs are primarily ceremonial symbols of state and tradition, while in a few countries, especially in the Middle East and parts of Africa, kings still wield considerable political influence. ​

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