Highlights
United Kingdom population mid-year estimate
66,435,600
2018
- Release date:
- 26 June 2019
- Next release:
- June 2020

Population estimates for the UK, England and Wales, Scotland and Northern Ireland: mid-2018
What's in the bulletin?
- The population of the UK in mid-2018 was estimated to be 66,436,000.
- The UK population grew by 0.6% between mid-2017 and mid-2018, the same rate of growth as in the previous year; growth in the years to mid-2017 and mid-2018 was slower than in any year since mid-2004.
- In the year to mid-2018, there were fewer births (negative 2%) and more deaths (positive 3%) than in the last year; natural change was at its lowest since 2004.
Time series related to Population estimates
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66,435,600 2018
- Release date:
- 26 June 2019
- Next release:
- June 2020
-
64,553,900 2018
- Release date:
- 26 June 2019
- Next release:
- June 2020
-
55,977,200 2018
- Release date:
- 26 June 2019
- Next release:
- June 2020
-
3,138,600 2018
- Release date:
- 26 June 2019
- Next release:
- June 2020
-
5,438,100 2018
- Release date:
- 26 June 2019
- Next release:
- June 2020
-
1,881,600 2018
- Release date:
- 26 June 2019
- Next release:
- June 2020
Datasets related to Population estimates
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Estimates of the population for the UK, England and Wales, Scotland and Northern Ireland
National and subnational mid-year population estimates for the UK and its constituent countries by administrative area, age and sex (including components of population change, median age and population density). The correct time-series of files using the latest available methods is: Mid-2017; Mid-2001 to mid-2017 detailed time series; Mid-2012 to mid-2016; 2001 to 2016 detailed time series; Mid-2011; Mid-2001 to Mid-2010; Mid-1991 to Mid-2000. All other content is superseded. The latest, revised series is also available on NOMIS and customise your data (beta).
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Population estimates: analysis tool
Interactive analysis of estimated UK population change, by geography, age and sex. Annual estimates are for mid-2011 to mid-2016.
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Middle Super Output Area population estimates (supporting information)
Mid-year (30 June) estimates of the usual resident population for Middle layer Super Output Areas (MSOAs) in England and Wales by single year of age and sex.
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Lower layer Super Output Area population estimates (supporting information)
Mid-year (30 June) estimates of the usual resident population for Lower layer Super Output Areas (LSOAs) in England and Wales by single year of age and sex.
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Mid-year population estimates of the very old, including centenarians: UK
Annual mid-year population estimates for those aged 90 years and over by sex and single year of age (90 to 104) and the 105 years and over age group, 2002 to 2018, UK.
Publications related to Population estimates
Statistical bulletins
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Population estimates for the UK, England and Wales, Scotland and Northern Ireland: mid-2018
National and subnational mid-year population estimates for the UK and its constituent countries by administrative area, age, sex and components of population change.
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Population estimates by output areas, electoral, health and other geographies, England and Wales: mid-2018
National population estimates for Super Output Areas and experimental statistics for health geographies, electoral wards, Parliamentary constituencies, and National Parks in England and Wales.
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Estimates of the very old, including centenarians, UK: 2002 to 2018
Annual mid-year population estimates for people aged 90 years and over by sex and single year of age (90 to 104) and 105 years and over, and comparisons between UK countries.
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Population estimates by marital status and living arrangements, England and Wales: 2018
Annual estimates of population by legal marital status and cohabitation status by age and sex for England and Wales.
Articles
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Research report on population estimates by ethnic group and religion
Office for National Statistics research work on a simple method for producing population estimates by ethnic group and religion.
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Overview of the UK population
An overview of the UK population: how it has changed, why it has changed and how it is projected to change in the future.
Methodology related to Population estimates
- Small area population estimates QMI
- Population estimates by marital status and living arrangements QMI
- Population estimates of the very old (including Centenarians) QMI
- Methodology guide for mid-2012 to mid-2016 UK population estimates, England and Wales: March 2018
- Measures of statistical uncertainty summary
- Population estimates by ethnic group
- Research report on population estimates by characteristics
Looking for local statistics?
A handy guide to let you know where to find local statistics.