Telephone: +44 (0)1329 444972
Frequency of release: Decennial
Geographical coverage: UK
Geographical breakdown: Local Authority and County
Survey name(s): Census
On census day, 27 March 2011, the population of the United Kingdom (UK) was 63.2 million; the largest it had ever been.
The population of the UK increased by 4.1 million (nearly 7 per cent) between 2001 and 2011.
The population of England was 53.0 million people, 5.3 million people in Scotland, 3.1 million people in Wales and 1.8 million people in Northern Ireland.
The median age for females in the UK was 40 years, the same as for England. In Northern Ireland the median age was 38 years, whereas in Scotland and Wales it was 42 years.
The median age for males in the UK was 38 years, the same as for England. In Northern Ireland the median age was 36 years, whereas in Scotland and Wales it was 40 years.
In 2011, 65 per cent (40.9 million) of the population of the UK were of working age (16 to 64 years).
Those aged 65 and over accounted for 16 per cent (10.4 million) of the population of the UK.
The proportion of the population of the UK who were children (0 to 15 years) was 19 per cent (11.9 million).
Northern Ireland had the highest proportion of children within the UK in 2011, at 21 per cent, compared to 19 per cent for England, 18 per cent for Wales and 17 per cent for Scotland.
Note: Population comparisons with 2001 are made using 2001 mid-year population estimates.
This release provides unrounded estimates of the usually resident population by single year of age and sex, along with household estimates on census day, 27 March 2011, for the UK, its constituent countries and all local authorities or their equivalents.
As part of this release, the reference tables which accompanied the second phase of UK results have been re-issued unrounded.
Due to rounding in earlier releases, final unrounded data may be slightly different. Percentage figures are similarly affected.
There will be further releases of data from the 2011 Census; information is available online in the 2011 Census prospectuses for each country: England and Wales (415.9 Kb Pdf) , Scotland and Northern Ireland. Further information on forthcoming UK releases can be found within the ONS Census Prospectus (415.9 Kb Pdf) .
ONS is responsible for carrying out the census in England and Wales. Simultaneous but separate censuses took place in Scotland and Northern Ireland. These were run by the National Records of Scotland (NRS) and the Northern Ireland Statistics and Research Agency (NISRA). ONS is responsible for the publication of UK statistics (compiling comparable statistics from the UK statistical agencies above). For Scotland-specific enquiries contact NRS. For Northern Ireland-specific enquiries contact NISRA.
These National Statistics are produced to high professional standards and released according to the arrangements approved by the UK Statistics Authority.