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Explore national- and state-level data for hundreds of health, environmental and socioeconomic measures, including background information about each measure. Use features on this page to find measures; view subpopulations, trends and rankings; and download and share content.
Florida Value:
Percentage of the population that is under age 1
Percentage of the population that is under age 1
0.8% - 0.9%
1.0% - 1.0%
1.1% - 1.1%
1.2% - 1.2%
1.3% - 1.3%
US Value: 1.1 %
Top State(s): Vermont: 0.8 %
Bottom State(s): Alaska, Texas, Utah: 1.3 %
Definition: Percentage of the population that is under age 1
Data Source and Years(s): U.S. Census Bureau, Single-Race Population Estimates via CDC WONDER Online Database, 2023
Suggested Citation: America's Health Rankings analysis of U.S. Census Bureau, Single-Race Population Estimates via CDC WONDER Online Database, United Health Foundation, AmericasHealthRankings.org, accessed 2026.
The demographics of a state influence the health needs and outcomes of its population. Understanding a state’s breakdown by age, income, education, race/ethnicity and other demographics can help state health officials and other policymakers determine health promotion and disease prevention priorities and identify and address health disparities.
Between 2012 and 2023, birth rates in the U.S. fell 3%. As of 2023, the birth rate remains lower than the 2019 pre-pandemic rate.
Newborn babies and infants are vulnerable to certain health issues, including respiratory illnesses such as colds and coughs, skin problems like diaper rash and cradle cap, and ear infections. It is recommended that all infants get vaccinated to protect against diseases such as hepatitis B, rotavirus and polio.
Infant mortality is a common indicator of a community’s overall health. In 2023, the leading causes of infant death were congenital malformations, low birth weight and sudden infant death syndrome (SIDS).
There are ways to reduce the risk of preterm birth and infant mortality. There are steps parents can take during and even before pregnancy. The National Institutes of Health suggests:
There are stark differences between premature birth rates and infant mortality rates of Black women and white women. Addressing the root causes of these health disparities is critical to improving the health of all infants.
Healthy People 2030 has an overarching goal to improve the health and safety of infants. Specific objectives include:
Lindberg, Laura D., Alicia VandeVusse, Jennifer Mueller, and Marielle Kirstein. Early Impacts of the COVID-19 Pandemic: Findings from the 2020 Guttmacher Survey of Reproductive Health Experiences. New York, NY: Guttmacher Institute, June 24, 2020. https://doi.org/10.1363/2020.31482.
Murphy, Sherry L., Kenneth D. Kochanek, Jiaquan Xu, and Elizabeth Arias. Mortality in the United States, 2023. NCHS Data Brief No. 521. Hyattsville, MD: National Center Health Statistics, December 19, 2024. https://doi.org/10.15620/cdc/170564.
Osterman, Michelle J. K., Brady E. Hamilton, Joyce A. Martin, Anne K. Driscoll, and Claudia P. Valenzuela. “Births: Final Data for 2023.” National Vital Statistics Reports 74, no. 1 (March 18, 2025).https://doi.org/10.15620/cdc/175204.
America’s Health Rankings builds on the work of the United Health Foundation to draw attention to public health and better understand the health of various populations. Our platform provides relevant information that policymakers, public health officials, advocates and leaders can use to effect change in their communities.
We have developed detailed analyses on the health of key populations in the country, including women and children, seniors and those who have served in the U.S. Armed Forces, in addition to a deep dive into health disparities across the country.
