Sudden Infant Death Rise: Alarming Increase in U.S. Despite Overall Decline in Infant Mortality

Estimated read time 5 min read

Rates of Sudden Infant Death Syndrome (SIDS) have risen 12% in the U.S. between 2020 and 2022, despite a 24% decrease in overall infant mortality. This alarming trend is observed across all racial and ethnic groups, with Black infants experiencing a 10 times higher risk compared to Asian infants. Possible causes include the COVID-19 pandemic, parental opioid use, and unsafe sleep practices promoted on social media. Experts emphasize the need for safe sleep education and stricter regulations on infant products to reduce these tragic deaths.

The Rise in Sudden Infant Death: A Growing Concern in the U.S.
In recent years, the United States has witnessed a disturbing trend in infant mortality. While overall infant mortality rates have decreased by 24% from 1999 to 2022, the rates of Sudden Unexpected Infant Death (SUID) have increased by nearly 12% between 2020 and 2022, according to a new study published in the Journal of the American Medical Association Pediatrics14.

This rise in SUID is not limited to any particular racial or ethnic group, but it is more pronounced among Black infants, who experience a 10 times higher risk compared to Asian infants and a three times higher risk compared to White infants14. The study attributes this disparity to various factors, including unsafe sleep positions, prematurity, tobacco exposure, and infant feeding practices.
One of the key factors contributing to the increase in SUID is the rise of COVID-19 and other respiratory viruses. The pandemic has led to a surge in respiratory illnesses, which can increase the risk of SUID. Additionally, parental opioid use has been identified as another potential cause, as it can lead to respiratory depression in infants2.
Social media has also been implicated in the rise of SUID. Infants are often seen in unsafe sleep positions, such as on their stomachs instead of their backs, and in unsafe sleep environments like adult beds, couches, and baby swings. This is particularly concerning given that less than 8% of social media posts about infant sleep adhere to American Academy of Pediatrics guidelines14.
To address this issue, experts are emphasizing the importance of safe sleep education. Pediatricians like Dr. Elizabeth Wolf are advocating for safe sleep practices during well-child visits and pushing for stronger public health messaging on the importance of safe sleep. They also call for tighter regulations around unsafe or misleading infant products to reduce the risk of SUID14.
While not all SUID is preventable, there are steps that can be taken to reduce the risk. These include supporting breastfeeding, providing lactation support and paid parental leave, expanding health insurance access, and ensuring that infants receive all recommended vaccines on time. By addressing these factors, we can work towards reducing the tragic number of SUID cases and ensuring a safer environment for all infants.


1. What is Sudden Unexpected Infant Death (SUID)?
Answer: SUID is the unexplained death of an otherwise healthy infant during the first year of life, often occurring while the infant is sleeping.

2. How has the rate of SUID changed in the U.S. between 2020 and 2022?
Answer: The rate of SUID has increased by nearly 12% between 2020 and 2022.

3. Which racial and ethnic groups are most affected by SUID?
Answer: Black infants experience a 10 times higher risk of SUID compared to Asian infants and a three times higher risk compared to White infants.

4. What are some possible causes of the increase in SUID?
Answer: Possible causes include the rise of COVID-19 and other respiratory viruses, parental opioid use, and unsafe sleep practices promoted on social media.

5. How can parents reduce the risk of SUID?
Answer: Parents can reduce the risk by ensuring their infants sleep on their backs, using firm, flat mattresses, avoiding co-sleeping, and adhering to other safe sleep guidelines.

6. What role does social media play in the rise of SUID?
Answer: Social media often depicts infants in unsafe sleep positions or environments, which can contribute to the rise in SUID.

7. How can healthcare providers help reduce SUID?
Answer: Healthcare providers can emphasize safe sleep education during well-child visits and advocate for stronger public health messaging on safe sleep practices.

8. What additional measures can be taken to support breastfeeding and reduce SUID?
Answer: Measures include providing lactation support, offering paid parental leave, and expanding health insurance access to support mothers pre- and postnatally.

9. Why is it important to ensure infants receive all recommended vaccines on time?
Answer: Ensuring infants receive all recommended vaccines on time can reduce their risks of serious infections, thereby lowering the risk of SUID.

10. What further research is needed to understand the disparities in SUID?
Answer: Further research is needed to explore the potential causes of these disparities, such as unsafe sleep positions, prematurity, tobacco exposure, and infant feeding practices.


The rise in Sudden Unexpected Infant Death (SUID) is a concerning trend in the U.S., with significant increases observed despite overall declines in infant mortality. The disparity in SUID rates among racial and ethnic groups, particularly among Black infants, highlights the need for targeted interventions. By addressing factors such as unsafe sleep practices, COVID-19, and parental opioid use, and by emphasizing safe sleep education and public health messaging, we can work towards reducing these tragic deaths and ensuring a safer environment for all infants.


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