Malawi:
1 July - 30 June
Malaysia:
calendar year
Maldives:
calendar year
Mali:
calendar year
Malta:
1 April - 31 March
Man, Isle of:
1 April - 31 March
Marshall Islands:
1 October - 30 September
Martinique:
calendar year
Mauritania:
calendar year
Mauritius:
1 July - 30 June