Iran
lowest 10%: 2.6%
highest 10%: 29.6% (2005)

Iraq
lowest 10%: NA%
highest 10%: NA%

Ireland
lowest 10%: 2.9%
highest 10%: 27.2% (2000)

Isle of Man
lowest 10%: NA%
highest 10%: NA%

Israel
lowest 10%: 2.6%
highest 10%: 24.2% (2007)

Italy
lowest 10%: 2.3%
highest 10%: 26.8% (2000)

Jamaica
lowest 10%: 2.1%
highest 10%: 35.8% (2004)

Japan
lowest 10%: 4.8%
highest 10%: 21.7% (1993)

Jersey
lowest 10%: NA%
highest 10%: NA%

Jordan
lowest 10%: 3%
highest 10%: 30.7% (2006)