42 selected
- Not filled in
- Nabataea - Kingdom (168 BC-106)
- Nagorno Karabakh - Republic (1992-present)
- Namibia - Republic (1990-present)
- Nauru - Republic (1968-present)
- Nederland - Kingdom Holland (1806-1810)
- Nepal - Kingdom (1482-2007)
- Nepal - Republic (2007-present)
- Netherlands - Austrian Netherlands (1714-1795)
- Netherlands - Batavian Republic (1795-1806)
- Netherlands - German occupation (1940-1945)
- Netherlands - Kingdom (1814-present)
- Netherlands - Provinces (-1587)
- Netherlands - Republic of the Seven United Netherlands (1588-1795)
- Netherlands - Spanish Netherlands (1556-1715)
- Netherlands - United (south) Dutch States (1790)
- Netherlands Antilles (Curaçao + St. Maarten) - Autonomous territories within the Kingdom of the Netherlands (2010-present)
- Netherlands Antilles - Kingdom of Netherlands (1952-2010)
- Netherlands Indies - Batavian Republic (1798-1806)
- Netherlands Indies - British government (1811-1816)
- Netherlands Indies - Kingdom Holland (1806-1811)
- Netherlands Indies - Kingdom of Netherlands (1816-1945)
- Netherlands Indies - VOC (1602-1798)
- New Caledonia - French Territory (1946-present)
- New Guinea - British Government (1910-1952)
- New Guinea German protectorate (1884-1899, 1914-1919)
- New Hebrides - French-British Condominium (1906-1980(1980))
- New Zealand - British Parliamentary State (1852-present)
- Newfoundland - British Colony (1864-1947)
- Nicaragua - Republic (1838-present)
- Niger - Republiek (1958-heden)
- Nigeria - British Protectorate (1914-1962)
- Nigeria - Republic (1963-present)
- Nightingale Island - British Overseas Territories
- Niue - New Zealand Dependent State (1922-present)
- North Dai Viet - Empire, later Le Dynasty (1676-1789
- North Korea - People's Republiek (1948-present)
- North Macedonia - Republic (1991-present)
- North Vietnam - Communist state (1945-1976)
- Norway - Danish province (1536-1814)
- Norway - Kingdom (1905-present)
- Norway - Union with Sweden - (1814-1905)
- Not applicable