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  • Glossary item | Last updated: 24 Mar 2025

Pre-obesity

A person is considered to be pre-obese if he or she has a Body Mass Index (BMI) greater than or equal to 25 but less than 30.

Pre-obesity is sometimes erroneously used interchangeably with overweight. Having overweight could mean either having pre-obesity or obesity. Having pre-obesity means having overweight but not obesity.