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In page Karachi:

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At the end of the 19th century, Karachi had an estimated population of 105,000.[citation needed] By the dawn of Pakistan's independence in 1947, the city had an estimated population of 400,000.[1] The city's population grew dramatically with the arrival of hundreds of thousands of Muslim refugees from the newly independent Republic of India.[2] Rapid economic growth following independence attracted further migrants from throughout Pakistan and South Asia.[3] The 2017 census numerated Karachi's population to be 14,910,352, having grown 2.49% per year since the 1998 census, which had listed Karachi's population at approximately 9.3 million.[4]