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India is home to one of the world’s oldest civilizations, and it is, by some counts, the world’s most populous country. Less than 40 percent of India’s 1.4 billion people live in cities, but its major metropolitan agglomerations continue to experience rapid growth. India’s population is one of the most diverse in the world, and it includes thousands of small ethnic and tribal groups. Although roughly four-fifths of Indians identify as Hindu, religious minorities, including Muslims, Christians, Sikhs, Buddhists, and Jains, still account for a significant proportion of adherents.

largest cities in India city population urban area population
Mumbai (2011) 12,478,447 18,414,288
Delhi (2011) 11,007,835 16,753,235
Bengaluru (2011) 8,443,675 8,520,435
Ahmedabad (2011) 5,577,940 6,357,693
Chennai (2011) 4,646,732 8,696,010
Kolkata (2011) 4,486,679 14,057,991
Surat (2011) 4,467,797 4,591,246
Hyderabad (2011) 3,943,323 7,677,018
Pune (2011) 3,115,431 5,049,968
Jaipur (2011) 3,046,163 4,650,000