The information requested falls within the responsibility of the National Statistician, who has been asked to reply.
Letter from Jil Matheson, dated 19 June 2007:
The National Statistician has been asked to reply to your request for the number of families with a child under the age of 18 years where there is (a) one parent or guardian and (b) two parents or guardians. I am replying in her absence. (143594)
The available figures are estimates from the Labour Force Survey of the numbers of families with dependent children in the United Kingdom in each year. A child is considered to be dependent if they are aged under 16 or 1648 but in full-time education. For this reason, the figures include some children aged 18 (those in full-time education). In 2006, it is estimated that there were 1,879 thousand lone parent families with dependent children and 5,474 couple families with dependent children.