Europe[]
Germany [Presidential republic]
United Kingdom [Constitutional monarchy]
Irish Free State [Constitutional monarchy {British client state}]
France [Semi-presidential republic]- Belgium [Constitutional monarchy]
- Italy [Constitutional monarchy]
- Albanian Kingdom [Absolute monarchy {Italian client state}]
- Union of Soviet Socialist Republics [Federative socialist republic]
- Central European Confederacy [Confederation]
- Spain [Constitutional monarchy]
- Denmark [Constitutional monarchy]
- Sweden [Constitutional monarchy]
- Norway [Constitutional monarchy]
- Kingdom of Yugoslavia [Absolute monarchy]
- Greece [Constitutional monarchy]
Asia[]
- Japan [Constitutional monarchy]
- Korea [Constitutional monarchy {Japanese client state}]
- Incorporated Chinese Territories [Constitutional monarchy {Japanese client state}]
- Nation-State of China [Semi-presidential republic]
