U.S. infant mortality hit a record low in 2025. 2025 rate: 5.39 deaths per 1,000 live births. 2024 rate: 5.5 deaths per 1,000 live births. RSV vaccines and safe sleep education reduced deaths. Black women's infant death rates twice those of Hispanic/Asian American women. Dr. Michael Warren called the data 'encouraging'. U.S. rates exceed Italy, Japan, Spain, Sweden