Home > Northern Ireland > Belfast
Belfast
Click for :
Search for your Local Government District:

Census 2021

Overview

The population of Belfast was 345,418 at the time of the 2021 Census, which made it the largest area. An increase of 3.5% since the 2011 Census.
Population is based on the number of usual residents. A usual resident is anyone who, on 21 March 2021 is in the UK, and staying in the UK for a period of 3 months or more; or has a permanent UK address and is outside the UK and is staying outside the UK for less than 12 months. Statistical bulletins
345,418
A household is either one person living alone or a group of people living at the same address who share cooking facilities and share a living room, sitting room or dining area. Statistical bulletins
149,208
A grouping of ages where a person’s age is their age at their last birthday on or prior to census day. Statistical bulletins
0-14 years 18%
15-39 years 37%
40-64 years 30%
65+ years 15%
Sex
  • Females 51%
  • Males 49%
The number of usual residents in the household. Statistical bulletins
  • 1 person 36%
  • 2 people 30%
  • 3 people 16%
  • 4 people 11%
  • 5 or more people 7%

Country of Birth and Nationality Statistics Belfast - Census 2021

The country in which a person was born. Statistical bulletins
  • Northern Ireland 84%
  • England 4%
  • Scotland <1%
  • Wales <1%
  • Republic of Ireland 2%
  • Other countries 10%
Passport or passports that an individual holds. Statistical bulletins
  • UK only 43%
  • Ireland only 29%
  • UK & Ireland 6%
  • Other passport(s) 8%
  • No passport 14%
The nationality or nationalities that the person identifies with. Statistical bulletins
  • British only 27%
  • Irish only 35%
  • Northern Irish only 17%
  • British & Irish only <1%
  • British & Northern Irish only 7%
  • Irish & Northern Irish only 2%
  • British, Irish & Northern Irish only 2%
  • Other national identities 10%

Language Statistics Belfast - Census 2021

Person's main language as declared in the Census. Statistics for all language questions are restricted to persons aged 3 and over. Statistical bulletins
  • English 93%
  • Other languages 7%
A person has some ability in Irish if they can understand, speak, read or write Irish. Statistics for all language questions are restricted to persons aged 3 and over. Statistical bulletins
  • No ability in Irish 85%
  • Some ability in Irish 15%
A person has some ability in Ulster-Scots if they can understand, speak, read or write Ulster-Scots. Statistics for all language questions are restricted to persons aged 3 and over. Statistical bulletins
  • No ability in Ulster-Scots 93%
  • Some ability in Ulster-Scots 7%

Religion and Ethnicity Statistics Belfast - Census 2021

Religion, religious denomination or body the person indicated they belong to. Statistical bulletins
  • Catholic 43%
  • Presbyterian 12%
  • Church of Ireland 8%
  • Methodist 3%
  • Other Christian religions 6%
  • Other religions 3%
  • No religion/Not stated 24%
The religious group the person belongs to or for people with no current religion their religious group of upbringing. People with no current religion and no religion of upbringing are labelled 'None'. Statistical bulletins
  • Catholic 49%
  • Protestant & other Christian religions 36%
  • Other religions 3%
  • None 12%
Person’s ethnic group as declared in the Census. Statistical bulletins
  • White 93%
  • Other ethnic groups 7%

Download

  • Download Census 2011 and 2021 data from this app
  • Contact and further resources

  • Contact Census
  • Census 2021
  • Census 2021 results
  • Statistical Bulletins
  • Infographics
  • About this app

    This web application is based on and inspired by the ONS Digital Content team prototypes. It has been modified by NISRA and released as a prototype to explore Census data for Northern Ireland. We welcome feedback from users through our short survey.