Publication, Part of [MI] National Obesity Audit
National Obesity Audit, October 2025 - December 2025 [Management Information]
Other reports and statistics
Data submission summary
This page provides a summary of submissions to the HES and CSDS data sets. More detailed figures are available in the dashboards:
Data are presented in descending order with the most recent data period listed first.
Bariatric surgery
Count of patients having a primary bariatric surgical procedure (due to obesity)
| Data period | Count |
| Q3 2025/26 (provisional) | 1,672 |
| Q2 2025/26 (provisional) | 1,640 |
| Q1 2025/26 (provisional) | 1,648 |
| Q4 2024/25 (final) | 1,662 |
Count of providers with at least 1 primary bariatric surgical procedure (due to obesity)
| Data period | Count |
| Q3 2025/26 (provisional) | 49 |
| Q2 2025/26 (provisional) | 45 |
| Q1 2025/26 (provisional) | 47 |
| Q4 2024/25 (final) | 48 |
Weight management services
Count of providers submitting WMS data to CSDS
| Total | Tier 2 | Tier 3 | Both | |
| December 2025 | 37 | 8 | 27 | 2 |
| November 2025 | 36 | 8 | 26 | 2 |
| October 2025 | 38 | 9 | 27 | 2 |
Proportion of patients with at least 1 BMI recording (height and weight recorded simultaneously)
| Tier 2 | Tier 3 | Both | |
| December 2025 | 30.1 | 4.6 | 50.8 |
| November 2025 | 33.1 | 6.2 | 31.0 |
| October 2025 | 41.7 | 6.7 | 36.2 |
Proportion of patients with an NHS number submitted
| Tier 2 | Tier 3 | Both | |
| December 2025 | 41.6 | 100.0 | 47.6 |
| November 2025 |
51.1 |
100.0 | 69.0 |
| October 2025 | 34.2 | 99.8 | 68.1 |
Last edited: 9 April 2026 9:31 am