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

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

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

Jordan
lowest 10%: 3.3%
highest 10%: 29.8% (1997)

Kazakhstan
lowest 10%: 3.3%
highest 10%: 26.5% (2004 est.)

Kenya
lowest 10%: 2%
highest 10%: 37.2% (2000)

Kiribati
lowest 10%: NA%
highest 10%: NA%

Korea, North
lowest 10%: NA%
highest 10%: NA%

Korea, South
lowest 10%: 2.9%
highest 10%: 25% (2005 est.)

Kuwait
lowest 10%: NA%
highest 10%: NA%