Census 2021 Age by Bands - Birmingham Wards

A person's age on Census Day, 21 March 2021 in England and Wales.CoverageThis dataset is focused on the data for Birmingham at Ward level. Also available at LSOA, MSOA and Constituency levels.About the 2021 CensusThe Census takes place every 10 years and gives us a picture of all the people and households in England and Wales.Protecting personal dataThe ONS sometimes need to make changes to data if it is possible to identify individuals. This is known as statistical disclosure control. In Census 2021, they:Swapped records (targeted record swapping), for example, if a household was likely to be identified in datasets because it has unusual characteristics, they swapped the record with a similar one from a nearby small area. Very unusual households could be swapped with one in a nearby local authority.Added small changes to some counts (cell key perturbation), for example, we might change a count of four to a three or a five. This might make small differences between tables depending on how the data are broken down when they applied perturbation.For more geographies, aggregations or topics see the link in the Reference below. Or, to create a custom dataset with multiple variables use the ONS Create a custom dataset tool.Population valueThe value column represents All usual residents.The percentage shown is the value as a percentage of All usual residents within the given geography.

本数据集聚焦于英格兰和威尔士在人口普查日，即2021年3月21日，伯明翰地区在街区层面的年龄数据。此外，数据亦涵盖LSOA、MSOA和选区级别。关于2021年人口普查：人口普查每十年举行一次，旨在全面描绘英格兰和威尔士的所有人口与家庭状况。为保护个人数据，英国国家统计局（ONS）有时需对数据进行调整，以防个人身份被识别，此过程称为统计披露控制。在2021年人口普查中，他们采取了以下措施：交换记录（目标记录交换），例如，若某一家庭因具有独特特征而可能在数据集中被识别，则将其记录与邻近小区域内类似特征的记录进行交换；对某些计数进行了微小调整（单元格密钥扰动），例如，将四人的计数调整为三人或五人，这可能会在不同表格之间产生微小的差异，具体取决于应用扰动时数据的划分方式。欲了解更多地理范围、汇总或主题，请参阅下方的参考链接。或，使用ONS自定义数据集工具创建包含多个变量的自定义数据集。人口价值：值列代表所有常住居民的数值。显示的百分比是所显示数值占给定地理区域内所有常住居民总数的百分比。