State IntegrityReceipts, not verdicts

The UK Statistics Authority wrote to Munira Wilson MP about ULEZ statistics

16 June 2023 · Sir Robert Chote, Chair, UK Statistics Authority

The letter, dated 16 June 2023, replies to correspondence of 13 April 2023. The UK Statistics Authority published it as Response from Sir Robert Chote to Munira Wilson MP – ULEZ statistics. Below are 4 passages from the letter in the regulator's own words.

What the UK Statistics Authority wrote

“In our letter, we stated that we were satisfied that the Mayor’s claim is consistent with the data collected by TfL at the time, namely that ‘nine out of 10 of those households in outer London who have a car are compliant’.”

“We are satisfied that data collected by TfL supports statements used in its press release that nine out of 10 cars seen driving on an average day in Outer London meet the ULEZ emissions standards.”

“We are satisfied that data collected by TfL at the time supports the Mayor’s claim that nine in 10 cars seen driving in outer London now meet ULEZ standards.”

“This is inconsistent with our principles of intelligent transparency and with the Code of Practice for Statistics.”

From Sir Robert Chote, Chair, UK Statistics Authority, letter of 16 June 2023. Read the full letter.

Correspondence

Related key figures

More on Munira Wilson.

Receipt

Read fromhttps://uksa.statisticsauthority.gov.uk/correspondence/response-from-sir-robert-chote-to-munira-wilson-mp-ulez-statistics/
Date read15 October 2026
SHA-256648b5e536b92f292df5f3177012b0e777aecd840dcb08e3782bb235d6838df9f
PDF on the letter pagehttps://uksa.statisticsauthority.gov.uk/wp-content/uploads/sites/2/2023/06/20230616-RC-to-Munira-Wilson-MP-ULEZ-correction.pdf
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