to Andhra Pradesh. Thus the final population of Andhra Pradesh in the year 2014, as per census 2011 is , with a density of . The total population constitute, 70.4% of rural population with inhabitants and 29.6% of urban population with inhabitants. Children in the age group of 0–6 years are , constituting 10.6% of the total population, among them are boys and are girls. Visakhapatnam district has the largest urban population of 47.5% and Srikakulam district with 83.8%, has the largest rural population, among others districts in the state. The population of the state consists 17.1% of Scheduled Caste and 5.3% of Scheduled Tribe population. There are male and female citizens—a sex ratio of 996 females per 1000 males, higher than the national average of 926 per 1000. The literacy rate of the state stands at 67.41%. However, post bifurcation from Telangana, the state is expected to reach 91.1% by 2021. West Godavari district has the highest literacy rate of 74.6% and Vizianagaram district has the least with 58.9%. Andhra Pradesh ranks tenth of all Indian States in the Human Development Index scores with a score of 0.416. The National Council of Applied Economic Research district analysis in 2001 reveals that Krishna, West Godavari and Chittoor are the three districts in rural AP with the highest Human Development Index scores in ascending order. Languages Telugu is the official language of Andhra Pradesh, which is also the mother tongue of nearly 90% of the population. Rajahmundry is the cultural capital of Andhra Pradesh and Telugu language has roots originated from this region. Urdu is the largest minority language and also the second official language of Andhra Pradesh. Tamil, Kannada and Odia are also spoken in the border-areas. Lambadi, Koya, Savara, Konda, Gadaba and a number of other languages are spoken by the Scheduled Tribes of the state. Religion The majority of the people in Andhra Pradesh are Hindus while Muslims constitute a sizeable minority. According to the 2011 census, the major religious groups in the state are Hindus (90.89%), Muslims (7.30%) and Christians (1.38%). Buddhists (0.01%), Sikhs (0.02%), Jains (0.05%), others (0.01%) and those who declined to state their religion (0.34%) make up the remaining portion of population. Hinduism Venkateswara Temple at Tirupati is the world's second-richest temple and is visited by millions of devotees throughout the year. Andhra Pradesh is home to Shankaracharya of Pushpagiri Peetham. Other Hindu saints