Iceland
0 cu m (1 January 2006 est.)

India
1.075 trillion cu m (1 January 2008 est.)

Indonesia
2.659 trillion cu m (1 January 2008 est.)

Iran
26.85 trillion cu m (1 January 2008 est.)

Iraq
3.17 trillion cu m (1 January 2008 est.)

Ireland
9.911 billion cu m (1 January 2008 est.)

Israel
30.44 billion cu m (1 January 2008 est.)

Italy
94.15 billion cu m (1 January 2008 est.)

Jamaica
0 cu m (1 January 2006 est.)

Japan
20.9 billion cu m (1 January 2008 est.)