I think you need modern examples -- and there should be plenty. This was on Yahoo!Answers four years ago (so some changes) --
Albania: Emerging democracy
Andorra: Parliamentary democracy
Angola: Multiparty republic
Argentina: Multiparty republic
Armenia: Multiparty republic
Aruba: Parliamentary democracy
Australia: Democratic Constitutional Monarchy
Austria: Federal republic
The Bahamas: Parliamentary Representative Democratic Monarchy
Bangladesh: Parliamentary democracy
Barbados: Parliamentary democracy
Belgium: Parliamentary democracy under a constitunional monarchy
Belize: Parliamentary democracy
Benin: Multiparty republic
Bermuda: Parliamentary British overseas territory with internal self-government
Bolivia: Multiparty republic
Bosnia and Herzegovina: Emerging republic
Botswana: Parliamentary republic
Brazil: Federative Republic
Bulgaria: Parliamentary democracy
Burkina Faso: Parliamentary democracy
Canada: Parliamentary democracy
Cambodia: Multiparty democracy under a constitutional monarchy
Cape Verde: Multiparty republic
Chile: Multiparty republic
Colombia: Multiparty republic
Comoros: Multiparty republic
Cook Islands: Self-governing parliamentary democracy
Costa Rica: Democratic republic
Croatia: Presidantial/Parliamental democracy
Cyprus: Multiparty republic
The Czech Republic: Parliamentary democracy
Denmark: Parliamentary democracy under a constitutional monarchy
Dominica: Parliamentary democracy
Dominican: Republic Democracy
Ecuador: Multiparty republic
El Salvador: Multiparty republic
Estonia: Parliamentary republic
Fiji: Multiparty republic
Finland: Multiparty republic
Gabon: Multiparty republic
France: Multiparty republic
Georgia: Multiparty republic
Germany: Multiparty republic
Ghana: Constitutional democracy
Greece: Parliamentary republic
Greenland: Parliamentary democracy under a constitutional monarchy
Grenada: Parliamentary democracy under a constitutional monarchy
Guatemala: Democratic republic
Guinea-Bissau: Multiparty republic
Guyana: Multiparty republic
Honduras: Democratic republic
Hungary: Parliamentary democracy
Iceland: Democracy
India: Federal Republic
Indonesia: Multiparty Republic
Ireland: Multiparty republic
Israel: Parliamentary democracy
Isle of Man: Parliamentary democracy under a constitutional monarchy
Italy: Multiparty republic
Jamaica: Parliamentary democracy
Japan: Parliamentary democracy under a constitutional monarchy
Kiribati: Multiparty republic
Kyrgyzstan: Multiparty republic
Latvia: Democracy
Lebanon: Multiparty republic
Lesotho: Parliamentary democracy under a constitutional monarchy
Liberia: Emerging democracy
Liechtenstein: Parliamentary democracy under a constitutional monarchy
Luxembourg: Parliamentary democracy under a constitutional monarchy
Lithuania: Parliamentary democracy
Macedonia: Parliamentary democracy
Malawi: Parliamentary democracy
Malta: Multiparty republic
Marshall Islands: Constitutional government
Mauritius: Parliamentary democracy
Mexico: Federal Republic
Micronesia: Constitutional government
Moldova: Multiparty republic
Monaco: Parliamentary democracy under a constitutional monarchy
Mongolia: Mixed parliamentary/presidential
Mozambique: Multiparty republic
Namibia: Multiparty republic
Nauru: Multiparty republic
New Zealand: Democratic Constitutional Monarchy
The Netherlands: Parliamentary democracy under a constitutional monarchy
The Netherlands Antilles: Parliamentary democracy under a constitutional monarchy
Nicaragua: Multiparty republic
Niue: Self governing parliamentary democracy
Northern Mariana Islands: Self-governing with locally elected governor, lieutenant governor and legislature
Norway: Parliamentary democracy under a constitutional monarchy
Palau: Constitutional government in free association with the U.S.A.
Panama: Democracy
Papua: New Guinea Parliamentary democracy under a constitutional monarchy
Paraguay: Multiparty republic
Peru: Multiparty republic
The Philippines: Multiparty republic
Poland: Multiparty republic
Portugal: Democracy
Puerto Rico: Democracy
Romania: Multiparty republic
Saint Kitts and Nevis: Parliamentary democracy under a constitutional monarchy
Saint Lucia: Parliamentary democracy
Saint Vincent and the Grenadines: Parliamentary democracy
Samoa: Parliamentary democracy under a constitutional monarchy
San Marino: Multiparty republic
São Tomé and Príncipe: Multiparty republic
Senegal: Multiparty republic
Serbia and Montenegro: Multiparty republic
Seychelles: Multiparty republic
Sierra Leone: Constitutional democracy
Slovakia: Parliamentary democracy
Slovenia: Parliamentary republic
Solomon Islands: Parliamentary democracy
South Africa: Multiparty republic
South Korea: Multiparty republic
Spain: Parliamentary democracy under a constitutional monarchy
Sri Lanka: Multiparty republic
Suriname: Democracy
Sweden: Parliamentary democracy under a constitutional monarchy
Switzerland: Multiparty republic/Direct democracy
Republic of China (Taiwan): Democracy
Thailand: Parliamentary democracy under a constitutional monarchy
Trinidad and Tobago: Parliamentary democracy
Tuvalu: Parliamentary democracy under a constitutional monarchy
Turkey: Parliamentary democracy
Ukraine: Multiparty republic
United Kingdom: Parliamentary democracy under a constitutional monarchy
United States of America: Federal republic
Uruguay: Multiparty republic
Vanuatu: Parliamentary republic
Venezuela: Multiparty republic
Source(s):
http://en.wikipedia.org/wiki/List_of_dem…