15th Socio-Economic Caste Census Data on Migration
Important observations from the data
Uttar Pardesh and Bihar have the highest number of out-migrants (20.9 million out of 56 million), whereas Mumbai and Delhi have the highest number of in-migrants (9.9 million out of 29 million).
The Hindi belt is the main source of migrants. Almost 50% of the total inter-state migrants are from 4 states which are Uttar Pradesh, Bihar, Madhya Pradesh and Rajasthan. Whereas Delhi, Mumbai, Gujarat, and Haryana housed 50% of the inter-state migrants.
The number of inter-state migrants grew at 55% between the 1991 and 2001 Census.
