Age composition in 2026:
| United Kingdom | Ireland | |
|---|---|---|
| Young Population | 16.72%11,693,284 | 17.65%945,355 |
| Working Age Population | 63.34%44,295,443 | 65.82%3,525,692 |
| Elderly Population | 19.94%13,942,801 | 16.54%885,898 |
In 2026, the median age is 41.2 years in United Kingdom and 40.2 years in Ireland.United Kingdom already reached Irelandโs current median age in 2020, about 6 years ahead in population aging.
The total population of United Kingdom peaks in 2072 at 76,068,380.The total population of Ireland peaks in 2053 at 5,977,055.
By 2050, the dependency ratio of United Kingdom will be 65.9%, and 24.68% of the population will be elderly.By 2050, the dependency ratio of Ireland will be 71.8%, and 26.14% of the population will be elderly.
| United Kingdom | Ireland | ||
|---|---|---|---|
| Demographic dividend (dependency ratio below 50%) | 1950 | 2000โ2011 | |
| Aging society (65+ reaches 7%) | 1950 or earlier | 1950 or earlier | |
| Aged society (65+ reaches 14%) | 1975 | 2019 44 years later | |
| Super-aged society (65+ reaches 20%) | 2027 | 2036 9 years later |