Elections for the Uttar Pradesh state assembly, India’s largest state with more voters–138 million–than the population of the north American country of Mexico, start on February 11, 2017, but 40% of its voters said they still don’t know which political party they will vote for, according to a new survey conducted by by FourthLion Technologies, a data analytics and public opinion polling firm, for IndiaSpend.

The firm conducted 2,513 telephone interviews in Hindi of registered voters in Uttar Pradesh, and said their sample is representative of UP’s ...