Under the Data Protection Act 2018, you have the right to find out what information the government and other organisations store about you. These include the right to:

• be informed about how your data is being used
• access personal data
• have incorrect data updated
• have data erased
• stop or restrict the processing of your data
• data portability (allowing you to get and reuse your data for different services)
• object to how your data is processed in certain circumstances

You also have rights when an organisation is using your personal data for:

• automated decision-making processes (without human involvement)
• profiling, for example to predict your behaviour or interests

Plus more at the link.