Ethiopia
Ethiopia's population has grown from 33.5 million in 1983 to 87.9 million in 2014. The population was only about 9 million in the 19th century. The 2007 Population and Housing Census results show that the population of Ethiopia grew at an average annual rate of 2.6% between 1994 and 2007, down from 2.8% during the period 1983–1994. Currently, the population growth rate is among the top ten countries in the world. The population is forecast to grow to over 210 million by 2060, which would be an increase from 2011 estimates by a factor of about 2.5.
Asosa Zone
Based on the 2007 Census conducted by the Central Statistical Agency of Ethiopia (CSA), this Zone has a total population of 310,822, of whom 158,932 are men and 151,890 women. 39,957 or 12.86% of population are urban inhabitants. A total of 72,879 households were counted in this Zone, which results in an average of 4.27 persons to a household, and 69,378 housing units. The four largest ethnic groups reported in the Asosa Zone were the Berta (59.95%), the Amhara (23.86%), the Oromo (10.31%), and the Tigrayans (1.5%), 1.48% of the population was from Sudan; all other ethnic groups made up 2.9% of the population. Main languages are the Berta (59.31%), Amharic (25.7%), Oromo (10.68%), and Tigrinya (1.07%). The majority of the inhabitants were Muslim, with 74.08% of the population reporting that they held that belief, while 16.51% practiced Ethiopian Orthodox Christianity, and 8.57% were Protestant.