Question to the Cabinet Office:

To ask Her Majesty's Government what is their (1) current estimate, and (2) projected estimate as of 7 May 2015, of the number of (a) 16 to 17 year-olds, and (b) 18 to 24 year-olds, in the United Kingdom; and, of their current estimate, what proportion of (1) 16 to 17 year-olds, and (2) 18 to 24 year-olds, in the United Kingdom are currently registered to vote.

The Office for National Statistics' (ONS) mid-2013 UK Population Estimate can be found here: http://www.ons.gov.uk/ons/rel/pop-estimate/population-estimates-for-uk--england-and-wales--scotland-and-northern-ireland/2013/index.html. The ONS has not made a projected estimate for 7 May 2015.

Data on the proportion of 16 to 17 year olds and 18 to 24 year olds registered to vote is not held.