6.8 persons to a household, with urban households having on average 6 and rural households 6.5 people. There are 8 refugee camps and 1 transit center, housing 212,967 refugees from Somalia, located in Somali Region. In the previous census, conducted in 1994, the region's population was reported to be 3,383,165, of which Somalis made up 3,236,667. There were 1,846,417 were males and 1,537,748 were females. The urban residents of the Somali Region numbered 492,710 households, with an average of 6.6 persons per household; a high sex ratio of 120 males to 100 females was reported. As of 1997, the ethnic composition of the Region was 95.67% Somali, 0.70% Amhara, 2.25% Oromo; all other ethnic groups made up 1.38% of the population. According to the CSA, , 38.98% of the total population had access to safe drinking water, of whom 21.32% were rural inhabitants and 77.21% were urban. Values for other reported common indicators of the standard of living for Somali include the following: 71.8% of the inhabitants fall into the lowest wealth quintile; adult literacy for men is 22% and for women 9.8%; and the Regional infant mortality rate is 57 infant deaths per 1,000 live births, which is less than the nationwide average of 77; at least half of these deaths occurred in the infants’ first month of life. The region is home to almost all major Somali clan families. The Issa and Gadabuursi subclans of the Dir primarily inhabit the northern Sitti zone and the Awbare woreda in Fafan zone. The Habr Awal, Garhajis, Habr Je'lo and Arap clans of the Isaaq clan family inhabit the northern part of the region bordering Somaliland, with the Habr Awal making up the majority in Harshin woreda as well as making up a significant portion of the population of the Kebribeyah woreda, as well as the lucrative border town of Tog Wajaale. The Garhajis and Habr Je'lo make up the majority of Awaare and Misrak Gashamo woredas in Jarar zone with a significant presence in the Danot woreda. Subclans of the Hawiye inhabit the western and southern areas of the region, with the Degodia being the majority in Liben and also having a large presence in Afder, Dollo, Jarar and Jijiga and other zones. Karanle and Sheekhaal are present in the western areas bordering the Oromia region and the Hawadle and Habar Gidir subclans are present in the Shabelle zone. The