What we count
FAO's latest global prevalence-of-undernourishment estimate expressed as a number of people.
Undernourished people worldwide
How many people chronically lack enough dietary energy for a normal, healthy life.
Published value
WORLDRelated numbers in context
2,500,000,000adults who are overweight worldwide
890,000,000adults living with obesity worldwide
40,900,000people living with hiv
What lies behind this number
FAO's latest global prevalence-of-undernourishment estimate expressed as a number of people.
How the source derives it
The source combines national reporting, registries and surveys, using transparent statistical estimates where complete data are unavailable.
What one number cannot show
The measure describes chronic dietary-energy deficiency, not every form of malnutrition or an individual's immediate hunger.
Source value
The displayed value is the latest global figure reported by The State of Food Security and Nutrition in the World 2026 for 2025.
How the value is used: The value remains unchanged until a new aggregate figure is published.
Published value645,000,000people
- Period
- 2025
- Status
- published
- Primary data source
- The State of Food Security and Nutrition in the World 2026
How the number is calculated
We display the latest published global figure without a time-based calculation.
Formula used
V = latest published valueReference value645,000,0002025
Data typeunchangedwithout time calculation
DisplaypublishedThe State of Food Security and Nutrition in the World 2026
Source value
The State of Food Security and Nutrition in the World 2026 reports the latest published figure used on this page for 2025.
Value period
We display the latest published global figure without a time-based calculation.
Display
The published value is shown without moving final digits.
Where the data comes from
The source value comes from The State of Food Security and Nutrition in the World 2026 and refers to 2025. It is the latest figure published by this source. The source combines national reporting, registries and surveys, using transparent statistical estimates where complete data are unavailable.
Latest published and verified source value
Primary data source
The State of Food Security and Nutrition in the World 2026
Source edition: 2026
Open source ↗- Publisher
- The State of Food Security and Nutrition in the World 2026
- Data period
- 2025
- Verified
- 12 August 2026
- Coverage
- Worldwide
- Use
- Direct display of the latest figure