Married couple families (including those without children) formed 79 per cent of all familes, lone parent families 14 per cent, and cohabiting couple families 7.5 per cent.
The proportion of cohabiting couple families was highest in the South East Region of England (8.9 per cent) and lowest in Scotland (5.5 per cent).
The number of lone parent families with dependent children was estimated to be 1.27 million, 19 per cent of all families with dependent children.
It includes people in both households and communal establishments. The topics covered include occupation, industry, hours worked, workplace, journey to work and higher qualifications.