Self-assessment
The question
To ask the Chancellor of the Exchequer, how many people have missed the 31 January self assessment filing deadline in each of the last three tax years.
Answered by Dan Tomlinson
Around 12 million people file a Self Assessment return each year. HMRC aims to help customers get their tax right. Last year, over 90% of customers filed on time.
Filing deadlines are essential for the efficient operation of the tax system. The number of customers who missed the 31 January deadline over the past three years was as follows:
- 31 January 2023: 1.2 million customers
- 31 January 2024: 1.2 million customers
- 31 January 2025: 1.1 million customers
HMRC supports customers to file their return online with reminders and annual communications campaigns. A wide range of online help and support is available on GOV.UK, including instructions on how to notify HMRC if a return is no longer required.
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