Government Actuary's Department
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Base population

Legal marital status

The projections are based on the mid-2003 legal marital status estimates for England & Wales published by the Office for National Statistics on 4 November 2004. These estimates are consistent with the latest national (age and sex) population estimates published by ONS on 9 September 2004 and therefore take account of the revisions to the mid-2001 and mid-2002 populations of England & Wales also published on 9 September 2004. Further details can be accessed from the National Statistics website by clicking here.

Cohabitation

The cohabitation projections are based on the mid-2003 cohabitation estimates for England & Wales published by the Office for National Statistics on 22 February 2005. These estimates are consistent with the mid-2003 legal marital status estimates described above. The cohabitation estimates and projections relate to opposite-sex co-residential cohabiting adults. Further details can be accessed from the National Statistics website by clicking here.

Population coverage

The population includes all usually resident persons, whatever their nationality. Members of HM armed forces in England & Wales are included, but members of HM armed forces and their families who are outside England & Wales are excluded. Foreign armed forces in England & Wales are included, with dependants if they are accompanied.