Low Birth-weight Babies (1990–2024)

Definition

Live births weighing less than 2,500 grams (5. pounds). The data reflect the mother’s place of residence, not the place where the birth occurred. Births of unknown weight are not included in these calculations.

Data Source

PRB analysis of data from the Centers for Disease Control and Prevention, National Center for Health Statistics microdata files.

Notes

S - Estimates suppressed when NCHS reporting standards not met.

N.A. - Data not available.

Data are provided for the 50 most populous cities according to the most recent Census counts. Cities for which data are collected may change over time.

Last Updated

2026-03