2021 Census update
![Image of the 2021 Census Logo](https://bucksdataexchange.org/wp-content/uploads/2022/07/2021-Census-Logo.png)
The census takes place every ten years. It gives a picture of all the people and households in England and Wales. The first 2021 Census results, including high-level population figures at the local authority level, were published on 28th June 2022. This section outlines the headline statistics for Buckinghamshire.
Population size
![Thumbnail of Buckinghamshire Population](https://bucksdataexchange.org/wp-content/uploads/2022/06/Screenshot-Population-Size-1024x495.jpg)
The chart shows the size of the population in Buckinghamshire and how it has changed since 1991 when the current recording methodology began.
Age distribution
![Population Age Composition](https://bucksdataexchange.org/wp-content/uploads/2022/06/Population-Age-Composition-1-1024x511.png)
The chart shows the age distribution of children (0-17 year-olds), working-age people (18-64 year-olds) and older people (65+ year-olds) in Buckinghamshire, South East England, and England.
Components of population change
![](https://bucksdataexchange.org/wp-content/uploads/2022/06/population-components-of-pop-change-1024x382.png)
The charts in this section show the components of population change. The components are natural change (births and deaths); internal UK migration (people moving in and out of Buckinghamshire from other parts of the UK), and international migration.
Population pyramid
![](https://bucksdataexchange.org/wp-content/uploads/2022/06/Population-Pyramid-Bucks-and-England.png)
A population pyramid shows the distribution of age and sex in a population by visualising the proportion of people that fall into each category.
Population growth
![Chart showing population growth in Buckinghamshire in the past 20 years](https://bucksdataexchange.org/wp-content/uploads/2022/06/Screenshot-Population-Growth-Rate-1024x457.jpg)
The chart shows how Buckinghamshire’s population has increased (and decreased) year on year. It also shows the growth rate in South East England, England, and the UK.
Population of 0-17 year olds
![Chart showing population aged 0-17 in Buckinghamshire](https://bucksdataexchange.org/wp-content/uploads/2022/06/Population-Aged-0-17-thumbnail-chart.png)
The data show how the population of children (aged 0-17) in Buckinghamshire has increased over the last two decades. The most recent decade between 2010 and 2020 has witnessed the largest increase.
Population of 18-64 year olds
![Chart showing Population-Aged-18-64-Buckinghamshire](https://bucksdataexchange.org/wp-content/uploads/2022/07/Population-Aged-18-64-Buckinghamshire-2000-2020.png)
The data show how the working-age population (aged 18-64) in Buckinghamshire has changed over the last two decades and how it is projected to change over the coming two decades to 2040.
Population of 65+ year olds
![Chart showing population of people aged 65+ in Buckinghamshire](https://bucksdataexchange.org/wp-content/uploads/2022/06/Population-Aged-65-thumbnail-chart.png)
The charts show how the number of residents aged 65+ has increased over the last two decades and how it is predicted to continue to rise over the next two decades.
Old Age Dependency Ratio
![Two old people sitting on a bench and looking at a mountain](https://bucksdataexchange.org/wp-content/uploads/2022/05/Bucks-Data-Exchange-Old-people-1024x683.jpg)
The chart shows the historic and projected Old-Age Dependency Ratio (OADR) in Buckinghamshire. The OADR has risen steadily in the last two decades and is projected to continue to rise.