# Number of adults derivation

Indicates whether the number of adults in the household was directly sourced or inferred from similar households.

- API name: `number_of_adults_derivation`
- Category: Demography
- Type · unit: Text
- Individuals with a value: 257.6M (100.0%)
- Latest collection: Jun 1, 2026, refreshed every two months
- How values combine: Read from a single source field.
- Derivations:
  - Inferred — the attribute is determined by rules or logic.

## Links

- [Catalog page](/catalog/v2/number_of_adults_derivation)
- [Published statistics (JSON)](https://static.faraday.ai/figv2/number_of_adults_derivation.json)
- [API reference](/docs/reference/getattribute)