People and census in Northern Ireland
NationOne of the four nations of the United Kingdom. 1,928,446 people (mid-2025 estimate) in 14,330 square kilometres.
16 layers about people and census for Northern Ireland, each at the level its publisher released it, with its own date and source.
Population by output area
Census 2021, England and Wales
There is no population figure for Northern Ireland’s output areas yet.
What is the population of Northern Ireland?
Northern Ireland had 1,903,175 usual residents at the census.
Northern Ireland is the least populated of 4 in the UK.
Population
NationNorthern Ireland had 1,903,175 usual residents at the census.
Northern Ireland is the least populated of 4 in the UK.
Population estimate
NationNorthern Ireland’s population was an estimated 1,928,446 in mid-2025.
The population held steady in the year to mid-2025.
Northern Ireland is least populated of 4 for population.
Aged 15 to 64
Nation63.7% of residents in Northern Ireland were aged 15 to 64 at the census.
Aged 65 and over
Nation17.2% of residents in Northern Ireland were aged 65 or over at the census.
Aged under 15
Nation19.2% of residents in Northern Ireland were aged under 15 at the census.
Born outside the UK
Nation8.7% of residents in Northern Ireland were born outside the UK.
Disability
Nation24.3% of residents in Northern Ireland had their day-to-day activities limited by a long-term health problem or disability.
Good or very good health
Nation78.7% of residents in Northern Ireland said their health was good or very good.
Households
NationNorthern Ireland had 768,811 households at the census.
Northern Ireland is lowest of 4 for the number of households.
Households without a car or van
Nation19.5% of households in Northern Ireland had no car or van at the census.
Owner-occupied homes
Nation65.2% of households in Northern Ireland owned their home at the census.
Population density
NationNorthern Ireland had 133 people per square kilometre at the census.
Worked out by Open Index from census population counts and the area of each place.
Private rented homes
Nation17.2% of households in Northern Ireland rented privately at the census.
Social rented homes
Nation15.3% of households in Northern Ireland rented from a council or housing association at the census.
Degree-level qualifications
NationEngland, Wales and Northern Ireland only32.1% of residents aged 16 and over in Northern Ireland had a degree-level qualification at the census.
Annual population change
NationNorthern Ireland’s estimated population changed by 0.0% in the year to mid-2025.
Worked out by Open Index from the mid-year population estimates.
- Against United Kingdom
- 100% lower0.3%
- Against the UK
- 100% lower0.3%