City
Who lives in Cardiff
The age, gender, relationships and health of the people living in Cardiff, set against Wales as a whole.
- Council
- Cardiff
- Region
- Wales
- Population
- 360,312 (2024)
CardiffCity
Who lives in Cardiff
Residents
360,312
2024 estimate
Households
138,102
Census
Median age
35
Years, from the census
Under 15 / over 65
17% / 14%
Share of residents
Age of residents
The largest age group is 20–24, at 10.7% of residents. 26.1% are aged 20 to 34 (the peak renting age), against 18.4% across Wales. 14.5% are 65 or over, well below the Wales figure of 21.3%.
CardiffWales
0%
5%
10%
15%
0–45–910–1415–1920–2425–2930–3435–3940–4445–4950–5455–5960–6465–6970–7475–7980–8485+
The gender split
51.2% of residents are female and 48.8% male.
Cardiff
51%
49%
Wales
- Female51.2%51.1%
- Male48.8%48.9%
Relationship status
36.4% of adults in Cardiff are married or in a civil partnership, below the Wales average of 43.8%. 49% have never married.
CardiffWales
Married or civil partnership36.4%43.8%
Never married49%37.2%
Divorced or dissolved7.7%9.9%
Separated1.8%2%
Widowed5%7.1%
How residents rate their health
81.7% of residents in Cardiff describe their health as good or very good, broadly in line with the Wales average of 78.6%.
Cardiff
50%
32%
12%
Wales
- Very good49.9%46.2%
- Good31.8%32.4%
- Fair12.3%14.5%
- Bad4.5%5.3%
- Very bad1.4%1.7%
Source: Census 2021, Office for National Statistics. Population: ONS mid-year estimates. Open Government Licence v3.0.