questionText: To ask the Minister for the Cabinet Office, whether the Office for National Statistics has made an assessment of the causes of reductions in levels of fertility; and which Department is responsible for Government policy relating to the (a) size and (b) demographics of the UK population.
answerText: The information requested falls under the remit of the UK Statistics Authority. A response to the Hon. Gentleman’s Parliamentary Question of 26 November is attached. 
heading: Fertility