Census data reveals median age of 41 in Wales


First 2011 census results for Wales

• On census night the population in Wales was 3.06 million. This was the largest the population had ever been

• The population grew by 153,300 in the 10 years since the last census, rising from 2.9 million in 2001, an increase of 5.3 per cent. This was the largest growth in the population, between censuses, since 1921

• The median age of the population in Wales was 41. For men, the median age was 40 and for women it was 42. This was two years greater than the median age of 39 across England and Wales in 2011. In 1911, the median age across England and Wales was 25

• The percentage of the population in Wales aged 65 and over was the highest seen in any census at over 18 per cent, a total of 563,000 people. This was an increase of 57,000 people in this age category since 2001

• There were 25,000 residents in Wales aged 90 and over in 2011, compared with 19,000 in 2001 and 700 in 1911

• In 2011, there were 178,000 children under five in Wales, 11,000 more than in 2001

• There were 1.3 million households in Wales on census night. The average household size was 2.3 residents per household, in 2011, the same as in England and unchanged from 2001. In 1911, households in England and Wales had an average of 4.3 residents, almost double the current total

• All areas of Wales saw population growth between 2001 and 2011 except Blaenau Gwent, which saw a small decline

• The local authorities with the largest percentage growth in population were Cardiff (12 per cent), Pembrokeshire (8 per cent), and Bridgend (8 per cent)

The full Statistical Bulletin is available on the ONS website


The 2011 Census took place on 27 March 2011. Separate Censuses were carried out in: England and Wales, Scotland and Northern Ireland.

Initial results published on 16 July 2012 are only for:

• Size of the England and Wales populations on 27 March 2011

• Population by age and sex down to Local Authority level

• Number of households and population density

More detailed statistics will be published in phases, starting in November 2012 and continuing into 2013. Population statistics broken down by ethnic group, religion and disability will be released in these later phases.


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