<p>Information on the levels of official error in the benefit system is captured in the annual Fraud and Error in the Benefit System publication, which reports that the rate of official error within the department has remained steady at 0.4% since 2018, except for 2021-2022 where the rate dropped to 0.3%.</p><p> </p><table><tbody><tr><td><p>Year</p></td><td><p>Official Error Rate</p></td><td><p>Value of Error</p></td></tr><tr><td><p>2021-2022</p></td><td><p>0.3%</p></td><td><p>£700m</p></td></tr><tr><td><p>2020-2021</p></td><td><p>0.4%</p></td><td><p>£800m</p></td></tr><tr><td><p>2019-2020</p></td><td><p>0.4%</p></td><td><p>£800m</p></td></tr><tr><td><p>2018-2019</p></td><td><p>0.4%</p></td><td><p>£700m</p></td></tr></tbody></table><p> </p><p><a href="https://www.gov.uk/government/statistics/fraud-and-error-in-the-benefit-system-financial-year-2021-to-2022-estimates" target="_blank">Fraud and error in the benefit system: financial year 2021 to 2022 estimates - GOV.UK (www.gov.uk)</a>.</p>