| Rank | Country | Household income or consumption by percentage share |
108 | Japan | lowest 10%: 1.9% highest 10%: 27.5% (2008) |
| Jersey | lowest 10%: NA% highest 10%: NA% |
46 | Jordan | lowest 10%: 3% highest 10%: 30.7% (2006) |
16 | Kazakhstan | lowest 10%: 3.8% highest 10%: 25.2% (2007 est.) |
110 | Kenya | lowest 10%: 1.8% highest 10%: 37.8% (2005) |
| Kiribati | lowest 10%: NA% highest 10%: NA% |
| Korea, North | lowest 10%: NA% highest 10%: NA% |
61 | Korea, South | lowest 10%: 2.7% highest 10%: 24.2% (2007) |
| Kosovo | void |
| Kuwait | lowest 10%: NA% highest 10%: NA% |
7 | Kyrgyzstan | lowest 10%: 4.1% highest 10%: 27.9% (2007) |
33 | Laos | lowest 10%: 3.3% highest 10%: 30.3% (2008) |
62 | Latvia | lowest 10%: 2.7% highest 10%: 27.6% (2008) |
| Lebanon | lowest 10%: NA% highest 10%: NA% |
136 | Lesotho | lowest 10%: 1% highest 10%: 39.4% (2003) |
81 | Liberia | lowest 10%: 2.4% highest 10%: 30.1% (2007) |
| Libya | lowest 10%: NA% highest 10%: NA% |
| Liechtenstein | lowest 10%: NA% highest 10%: NA% |
68 | Lithuania | lowest 10%: 2.6% highest 10%: 29.1% (2008) |
27 | Luxembourg | lowest 10%: 3.5% highest 10%: 23.8% (2000) |
| Macau | lowest 10%: NA% highest 10%: NA% |