KNOWLEDGE BASE Demographics On Aging In The UK

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Old British man


Demographics On Aging In The UK


Age structure in the UK

The UK’s median age (the number at which half the population is older and half is younger) is 40.1.the highest it’s ever been.The median age varies across UK countries, from 38 in Northern Ireland to 42.1 in Wales.There are over 12.7 million people aged 65 and over.

Age structure in the UK 

 0-14 years: 16.2% (male 5,525,000/female 5,152,000)

15-24 years: 11.7% (male 3,901,000/female 3,703,000)

25-54 years: 40.2% (male 13,008,000/female 12,458,000)

55-64 years: 12.2% (male 3,849,000/female 3,940,000)

65 years and over:  18.9% (male 5,340,000/female 6,599,000) 


Aging and gender in the UK

The population aged 65 and over continues to grow, reflecting longer lifespans and demographic shifts.The working-age population (25-54 years) remains the largest group, though its share is gradually decreasing.Life expectancy at birth in the UK in 2018 to 2020 was 79.0 years for males and 82.9 years for females. The number of people aged 75 and over has continued to grow for both genders. However, the pace of growth has slowed compared to the earlier period.Life expectancy at age 65 years was 18.5 years for males and 21.0 years for females; these estimates are very similar to those for 2015 to 2017.Detailed explanation of this theme is available in the Office for National Statistics' National Life Tables release from September 2021. 



Globig Resources

Office for National Statistics

World Factbook - United Kingdom

For UK age distribution since 1984 and projected into 2044, scroll to the bottom of the linked page

National life tables – life expectancy in the UK: 2018 to 2020

UK Population estimates

KNOWLEDGE BASE Demographics On Aging In The UK