The Malay, Chinese and Indians constitute the major ethnic groups in the state. The common languages of Penang, depending on social class and circles as well as ethnic backgrounds, are English, Penang Hokkien, Tamil and Malay. Between 1970 and 2000, young people of the 0-14 age group made up 41.10% of the total population, decreasing to 26.90% in 2000 and an estimated 26.30% in 2010.