5 countries

  • Australia0 statesFederal parliamentary constitutional monarchy in Oceania
    AU
  • Canada10 statesFederal parliamentary democracy in North America
    CA
  • Germany0 statesFederal republic in Central Europe
    DE
  • United Kingdom0 statesConstitutional monarchy in Europe
    UK
  • United States51 statesFederal democratic republic in North America
    US