# New first child change date

Indicates the date a household had a child aged 0 to 2 years old.

- API name: `new_first_child_change_date`
- Category: Life event
- Type · unit: Date
- Individuals with a value: 20.9M (8.1%)
- Latest collection: Jun 1, 2026, refreshed every two months
- How values combine: Read from a single source field.
- Middle 50% of values: Dec 2015 to Jun 2023
- Derivations:
  - Observed — the attribute is directly observed.

## Links

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