In Kenya's last colonial census of 1962, population groups residing in the territory included European, African and Asian individuals. According to the Kenya National Bureau of Statistics, Kenya had a population of 47,564,296 by 2019. The largest native ethnic groups were the Kikuyu (8,148,668), Luhya (6,823,842), Kalenjin (6,358,113), Luo (5,066,966), Kamba (4,663,910), Somalis (2,780,502), Kisii (2,703,235), Mijikenda (2,488,691), Meru (1,975,869), Maasai (1,189,522), and Turkana (1,016,174). Foreign-rooted populations included Asians (90,527), Europeans (42,868) with Kenyan citizenship, 26,753 without, and Kenyan Arabs (59,021). The number of ethnic categories and sub-categories recorded in the census has changed significantly over time, expanding from 42 in 1969 to more than 120 in 2019.