As of 2022, there are 43 sovereign states with a monarch as head of state: 13 in Asia, 12 in Europe, 9 in America, 6 in Oceania, and 3 in Africa.
Here is the list of countries that have a constitutional monarchy:
- Andorra
- Antigua and Barbuda
- Australia
- Bahamas
- Bahrain
- Barbados
- Belgium
- Belize
- Bhutan
- Brunei
- Cambodia
- Canada
- Denmark
- Eswatini
- Grenada
- Jamaica
- Japan
- Jordan
- Kuwait
- Lesotho
- Liechtenstein
- Luxembourg
- Malaysia
- Monaco
- Morocco
- Netherlands
- New Zealand
- Norway
- Oman
- Papua New Guinea
- Qatar
- Saint Kitts and Nevis
- Saint Lucia
- Saint Vincent and the Grenadines
- Saudi Arabia
- Solomon Islands
- Spain
- Sweden
- Thailand
- Tonga
- Tuvalu
- United Arab Emirates
- United Kingdom of Great Britain and Northern Ireland
- Vatican City State
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