47 selected
- Not filled in
- Macao - Portuguese Colony (1887-1999)
- Macau - Special Administrative Region (1999-present)
- Macedonia - Kingdom (700-168 BC)
- Madagascar - Republic (1960-present)
- Madagaskar - French colony (1890-1960)
- Madeira - Portuguese Colony
- Malacca - British Administration (1824-1942)
- Malawi - Republic (1964-present)
- Malaya - British Colony (1939-1950)
- Malaya and British Borneo - British Colony (1953-1962)
- Malaysia - Constitutional Monarchy (1963-present)
- Maldive Islands - Republic (1968-present)
- Maldives - British protectorate (1796-1965)
- Mali - Republic (1960-present)
- Malta - Republic (1974-present)
- Malta - Republiek - Brits bestuur (1964-1974)
- Man - Dependency of the British Crown (1346-present)
- Marshall Islands - Republic (1979-present)
- Martinique - French Colony (1635-present)
- Mauritania - Republic (1973-present)
- Mauritius - British colony (1810-1968)
- Mauritius - Independently within commonwealth (1968-1992)
- Mauritius - Republic (1992-present)
- Mexico - First Federal Republic (1824–1835)
- Mexico - Central Republic (1835–1846)
- Mexico - First Empire (1821-1823)
- Mexico - Republic (1867-present)
- Mexico - Second Empire (1863-1867)
- Mexico - Second Federal Republic (1846-1863)
- Mexico - Viceroyalty of New Spain (1530-1821)
- Moldavia and Wallachia - Russian occupation (1768-1854)
- Moldova - Republic (1992-present)
- Monaco - House of Grimaldi (1297-1861)
- Monaco - Kingdom (1861-present)
- Mongolia - Peoples republic (1924-1992)
- Mongolia - Republic (1992-present)
- Montenegro - Kingdom (1860-1910)
- Montenegro - Kingdom (1910-1918)
- Montserrat - British Colony (1956-present)
- Morocco - Alaouite dynasty (1666-1912)
- Morocco - French protectorate (1912-1956)
- Morocco - Kingdom (1956-present)
- Morocco - Saadi dynasty (1511-1659)
- Mozambique - Portuguese Colony (1500-1975)
- Mozambique - Republic (1975 - present)
- Muscat and Oman - Sultanate (1888-1970)
- Myanmar - Union of Myanmar (1988-2010)