 The three largest ethnic groups reported in La'ilay Adiyabo were the Tigrayan (96.76%), foreigners from Eritrea (2.42%), and the Saho (0.76%); all other ethnic groups made up 0.06% of the population.Tigrinya was spoken as a first language by 98.9%, and 1.07% spoke Saho; the remaining 0.03% spoke all other primary languages reported.The majority of the inhabitants practiced Ethiopian Orthodox Christianity, with 96.5% reporting that as their religion, while 3.45% were Muslim.