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.
Medebay Zana
Based on the 2007 national census conducted by the Central Statistical Agency of Ethiopia (CSA), this woreda has a total population of 125,028, an increase of 97,237 over the 1994 census, of whom 61,977 are men and 63,051 women; 10,526 or 8.42% are urban inhabitants. With an area of 2,685.12 square kilometers, Medebay Zana has a population density of 46.56 people per square kilometer, which is greater than the Zone average of 40.21. A total of 27,689 households were counted in this woreda, resulting in an average of 4.52 persons to a household, and 26,918 housing units. The majority of the inhabitants said they practiced Ethiopian Orthodox Christianity, with 98.24% reporting that as their religion, while 1.74% of the population were Muslim.