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.
Tigray Region
Based on the 2007 Census conducted by the Central Statistical Agency of Ethiopia (CSA), the Tigray Region has a population of 4,316,988, of whom 2,126,465 are men and 2,190,523 women; urban inhabitants number 844,040 or 19.55% of the population. With an estimated area of 41,409.95 square kilometers, this region has an estimated density of 100 people per square kilometer. For the entire region 992,635 households were counted, which results in an average for the Region of 4.4 persons to a household, with urban households having on average 3.4 and rural households 4.6 people. The population was projected to be 5,247,005 in 2017.