Iceland
lowest 10%: NA
highest 10%: NA

India
lowest 10%: 3.5%
highest 10%: 33.5% (1997)

Indonesia
lowest 10%: 4%
highest 10%: 26.7% (1999)

Iran
lowest 10%: NA
highest 10%: NA

Iraq
lowest 10%: NA
highest 10%: NA

Ireland
lowest 10%: 2%
highest 10%: 27.3% (1997)

Israel
lowest 10%: 2.4%
highest 10%: 28.3% (1997)

Italy
lowest 10%: 2.1%
highest 10%: 26.6% (2000)

Jamaica
lowest 10%: 2.7%
highest 10%: 30.3% (2000)

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