word | | Constitution |
| Macau | Macau | The Basic Law, approved 31 March 1993 by China's National People's Congress, is Macau's charter |
| Man | Isle of Man | unwritten; note - The Isle of Man Constitution Act of 1961 does not embody the unwritten Manx Constitution |
| mandatory | Fiji | enacted 25 July 1997; effective 28 July 1998; note - constitution encourages multiculturalism and makes multiparty government mandatory |
| MANDELA | South Africa | 10 December 1996; note - certified by the Constitutional Court 4 December 1996; was signed by then President MANDELA 10 December 1996; and entered into effect 4 February 1997 |
| Manx | Isle of Man | unwritten; note - The Isle of Man Constitution Act of 1961 does not embody the unwritten Manx Constitution |
| March | Andorra | Andorra's first written constitution was drafted in 1991; approved by referendum 14 March 1993; effective 28 April 1993 |
| March | Bangladesh | enacted 4 November 1972; effective 16 December 1972; suspended following coup of 24 March 1982; restored 10 November 1986; amended many times |
| March | Belarus | 15 March 1994; revised by national referendum 24 November 1996 giving the presidency greatly expanded powers; became effective 27 November 1996; revised again 17 October 2004 removing presidential term limits |
| March | Botswana | March 1965; effective 30 September 1966 |
| March | Burma | 3 January 1974; suspended 18 September 1988; a new constitution took effect in March 2011 when a new parliament convened |
| March | Canada | ... decisions, and traditions; the written part of the constitution consists of the Constitution Act of 29 March 1867, which created a federation of four provinces, and the Constitution Act of 17 April ... |
| March | Chad | passed by referendum 31 March 1996; a June 2005 referendum removed constitutional term limits |
| March | Chile | 11 September 1980, effective 11 March 1981; amended several times |