It updates and replaces the Data Protection Act 1998, and came into effect on 25 May 2018. It was amended on 01 January 2021 by regulations under the European Union (Withdrawal) Act 2018, to reflect the UK's status outside the EU. It sits alongside and supplements the UK GDPR - for example by providing exemptions.

Has the Data Protection Act been superseded?

It was superseded by the Data Protection Act 2018 (DPA 2018) on 23 May 2018. ... The DPA 2018 supplements the EU General Data Protection Regulation (GDPR), which came into effect on 25 May 2018. The GDPR regulates the collection, storage, and use of personal data significantly more strictly.

Is GDPR being replaced?

The GDPR will be brought into UK law as the 'UK GDPR', but there may be further developments about how we deal with particular issues such as UK-EU transfers. The GDPR will be retained in domestic law at the end of the transition period, but the UK will have the independence to keep the framework under review.