According to data released by the Election Commission, India's electorate has grown by 4.7 times from the first general elections held in 1951-52. The total electorate size has increased from 173,212,343 electors in the 1st General Elections of 1951-52 to become 814,591,184 in 2014. (The elections are scheduled in April-May)
On a more recent note, the total electorate size of the country grew by 34.45% from 605,880,192 electors in 1998 to reach 814,591,184 in 2014. Among the 28 states and 7 union territories, Dadra & Nagar Haveli at 53.9% registered the highest rate of growth in electorate size during the period from 2004 to 2014, next followed by Puducherry at 39.1.
Among states, West Bengal registered the highest rate of growth at 31.7% from 2004 to 2014. Among all states and UTs, Andaman & Nicobar Islands registered the lowest rate of growth at 6.7%, next followed by Jammu & Kashmir at 8.9%. In absolute numbers, Uttar Pradesh registered the highest growth in electorate size relative to 2004, while Lakshadweep the lowest.
The Map below highlights the changes in India's electorate state-wise since 1998. Click on the play button (>) to see the changes over the years.