Publication, Part of [MI] National Obesity Audit
National Obesity Audit, April 2026 - June 2026 [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 |
| Q1 2026/27 (provisional) | 1,743 |
| Q4 2025/26 (provisional) | 1,882 |
| Q3 2025/26 (provisional) | 1,808 |
| Q2 2025/26 (provisional) | 1,780 |
Count of providers with at least 1 primary bariatric surgical procedure (due to obesity)
| Data period | Count |
| Q1 2026/27 (provisional) | 48 |
| Q4 2025/26 (provisional) | 50 |
| Q3 2025/26 (provisional) | 50 |
| Q2 2025/26 (provisional) | 46 |
Weight management services
Count of providers submitting WMS data to CSDS
| Total | Tier 2 | Tier 3 | Both | |
| June 2026 | 39 | 9 | 29 | 1 |
| May 2026 | 38 | 9 | 28 | 1 |
| April 2026 | 36 | 9 | 26 | 1 |
Proportion of patients with at least 1 BMI recording (height and weight recorded simultaneously)
| Tier 2 | Tier 3 | Both | |
| June 2026 | 51.0 | 6.4 | 19.0 |
| May 2026 | 60.3 | 8.9 | 34.4 |
| April 2026 | 55.3 | 11.4 | 42.9 |
Please note, due to the small number of providers represented in the ‘both’ category, percentages may be volatile and should be interpreted with caution.
Proportion of patients with an NHS number submitted
| Tier 2 | Tier 3 | Both | |
| June 2026 | 25.7 | 100.0 | 100.0 |
| May 2026 | 21.7 | 100.0 | 100.0 |
| April 2026 | 22.9 | 100.0 | 100.0 |
Please note, due to the small number of providers represented in the ‘both’ category, percentages may be volatile and should be interpreted with caution.
Last edited: 15 October 2026 4:54 pm