India:
1 April - 31 March
Indonesia:
calendar year; note - previously was 1 April - 31 March,
but starting with 2001, has been changed to calendar year
Iran:
21 March - 20 March
Iraq:
calendar year
Ireland:
calendar year
Israel:
calendar year
Italy:
calendar year
Jamaica:
1 April - 31 March
Japan:
1 April - 31 March
Jersey:
1 April - 31 March