UN-HABITAT defines a slum household as a group of individuals living under the same roof in an urban area who lack one or more of the following: 1. Durable housing of a permanent nature that protects against extreme climate conditions; 2. Sufficient living space which means not more than three people sharing the same room; 3. Easy access to safe water in sufficient amounts at an affordable price; 4. Access to adequate sanitation in the form of a private or public toilet shared by a reasonable number of people; 5. Security of tenure that prevents forced evictions.