As of 2024, Addis Ababa population grew from 15,000 in 1888 to 3.6 million in 2023.[1] Among the largest ethnic groups, Amhara: 47%, Oromo: 19.5%, Gurage: 16.3% and Tigrayan: 6.2%.[2][3][4][5] In 1950, the population of Addis Ababa was 392,000. Nowadays, rural flight has been major factor of Addis Ababa population growth; between 1967 and 1975, rural migration was at its peak. In July 2004, the population was 2.8 million. Records of its population vary, with majority authorized record of population estimated no less than 3.5 million. According to Central Statistical Agency projection in 2007, Addis Ababa population was 2.7 million.[6]