Leading Causes of Death in the US by Age Group Listed by Age Group Congenital anomalies Short gestation Maternal pregnancy complications Unintentional injury Congenital anomalies Malignant neoplasms Unintentional injury Malignant neoplasms Congenital anomalies Unintentional injury Suicide Malignant neoplasms Unintentional injury Suicide Homicide Unintentional injury Suicide Homicide Unintentional injury Malignant neoplasms Heart disease Malignant neoplasms Heart disease Unintentional injury Malignant neoplasms Heart disease Unintentional injury Heart disease Malignant neoplasms Chronic lower respiratory disease