Black Infant Mortality Gap Widened Since 2020

A study of 58 million births showed that unexpected infant death rates among Black infants climbed starting in 2020.

Updated on Sept. 24, 2026 in Babies

Bold flat-color editorial illustration of a tall archway, evoking the institutional gravity of the widening racial health disparity. — A new study reveals that the infant mortality gap between Black and white populations in the United States has widened significantly since 2020. AI Illustration. Upload story photo >

The gap in infant mortality between Black and white populations in the United States has expanded since 2020. Researchers identified a rise in sudden unexpected infant death rates among Black infants as a primary contributor to this widening disparity.

Why it matters

The findings highlight an alarming trend in health inequities that worsened following the onset of the pandemic. Researchers believe factors such as respiratory infection resurgences and economic instability may be exacerbating these disparities.

The study analyzed 366,384 infant deaths among non-Hispanic Black mothers and 224,733 among non-Hispanic white mothers out of nearly 58 million total births. Roughly 3,400 infants die unexpectedly in the United States each year.

The players

University of Colorado Boulder

This public research university served as the home for the researchers who conducted the study.

JAMA Network Open

This is a monthly open-access medical journal published by the American Medical Association.

The details

By reviewing linked birth and death certificates over two decades, researchers found that sudden unexpected infant death accounts for over one-third of the mortality gap. The study categorized infants into seven groups based on gestational age to track the impact of these deaths over time.

The study analyzed data covering the period from 2003-01-01 to 2024-12-31.
The disparity in infant mortality rates began to widen in 2020.
The research findings were published in JAMA Network Open on 2026-09-22.

Culture Shift

The study highlights a measurable shift in public health trends that disrupts previous progress toward equity in infant survival. This trend reflects broader societal failures where economic and health-related stressors disproportionately affect marginalized populations.

Understanding these trends helps families and healthcare providers better identify high-risk factors for sudden unexpected infant death. The data underscores the necessity for targeted prenatal support and maternal health resources to bridge the existing mortality gap.

The takeaway

Healthcare disparities continue to impact vulnerable populations, necessitating increased vigilance regarding sudden infant death risk factors. Families should consult with their pediatricians to implement recommended safe sleep practices and maintain consistent prenatal care.

What happens next

Researchers intend to expand their work by analyzing data regarding Native American and Alaska Native populations and investigating potential correlations between parental opioid use and infant mortality risk.