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Publication, Part of

Mental Health Act Statistics, Annual Figures, 2023-24

Official statistics, National statistics, Accredited official statistics

Accredited official statistics logo.

Are the MHSDS data complete?

Completeness of MHSDS data

Where organisations do submit data about the Act to the MHSDS, it may not be complete. Providers should make monthly submissions in all 12 months of the year. Since April 2020, providers can resubmit data under the Multiple Submission Window Model (MSWM) to give flexibility for providers who may have missed months in the financial year and wanted to submit data for the months they had missed. Please see the background DQ report for more information on the MSWM.

About 57 percent of ISPs missed at least one submission in 2023-24 compared to 7 percent of NHS mental health providers.

The number of people reported in the MHSDS as subject to the Act at each month-end has increased from 13,628 on 31st January 2016 to 22,261 on 31st March 2024. This compares to 25,577 people recorded in the last annual publication sourced from the KP90 (on 31st March 2016).


Last edited: 12 September 2024 9:31 am