According to the latest census data from 2011, the population of Bihar is 104,099,452, making it the third most populous state in India. The sex ratio was 918 females per 1000 males. Almost 89% of the population is rural, and Bihar is Indias most densely populated state, with 1,106 persons per square kilometer. The state has a high proportion of young people, with almost 58% of the population below the age of 25. Bihar has a low urbanization rate of 11.27%. The official language of Bihar is Hindi, although other languages such as Maithili and Bhojpuri are also widely spoken.