Differences in cognitive ability, per capita income, infant mortality, fertility and latitude across the states of India

Article history: Received 11 October 2014 Received in revised form 26 January 2015 Accepted 26 January 2015 Available online xxxx Regional differences in cognitive ability are presented for 33 states and union territories of India. Ability was positively correlated with GDP per capita, literacy and life expectancy and negatively correlated with infant and child mortality, fertility and the percentage of Muslims. Ability was higher in the south than in the north and in states with a coast line than with those that were landlocked. © 2015 Elsevier Inc. All rights reserved.