| Country | Government type |
| Burma | nominal civilian parliamentary government took power in March 2011 |
| Burundi | republic |
| Cambodia | multiparty democracy under a constitutional monarchy |
| Cameroon | republic; multiparty presidential regime |
| Canada | a parliamentary democracy, a federation, and a constitutional monarchy |
| Cape Verde | republic |
| Cayman Islands | parliamentary democracy |
| Central African Republic | republic |
| Chad | republic |
| Chile | republic |
| China | Communist state |
| Christmas Island | NA |
| Clipperton Island | void |
| Cocos (Keeling) Islands | NA |
| Colombia | republic; executive branch dominates government structure |
| Comoros | republic |
| Congo, Democratic Republic of the | republic |
| Congo, Republic of the | republic |
| Cook Islands | self-governing parliamentary democracy |
| Coral Sea Islands | void |
| Costa Rica | democratic republic |
| Cote d'Ivoire | republic; multiparty presidential regime established 1960 |
| Croatia | presidential/parliamentary democracy |
| Cuba | Communist state |
| Curacao | parliamentary |
| Cyprus | republic note: a separation of the two ethnic communities inhabiting the island began following the outbreak of communal strife in 1963; this separation was further solidified after the Turkish intervention in July 1974, following a Greek military-junta-supported coup attempt that gave the Turkish Cypriots de facto control in the north; Greek Cypriots control the only internationally recognized government; on 15 November 1983 Turkish Cypriot "President" Rauf DENKTASH declared independence and the formation of a "Turkish Republic of Northern Cyprus" ("TRNC"), which is recognized only by Turkey |
| Czech Republic | parliamentary democracy |
| Denmark | constitutional monarchy |
| Dhekelia | void |
| Djibouti | republic |
| Dominica | parliamentary democracy |
| Dominican Republic | democratic republic |
| Ecuador | republic |
| Egypt | republic |
| El Salvador | republic |
| Equatorial Guinea | republic |
| Eritrea | transitional government note: following a successful referendum on independence for the Autonomous Region of Eritrea on 23-25 April 1993, a National Assembly, composed entirely of the People's Front for Democracy and Justice or PFDJ, was established as a transitional legislature; a Constitutional Commission was also established to draft a constitution; ISAIAS Afworki was elected president by the transitional legislature; the constitution, ratified in May 1997, did not enter into effect, pending parliamentary and presidential elections; parliamentary elections were scheduled in December 2001 but were postponed indefinitely; currently the sole legal party is the People's Front for Democracy and Justice (PFDJ) |
| Estonia | parliamentary republic |
| Ethiopia | federal republic |
| European Union | void |
| Falkland Islands (Islas Malvinas) | NA |