Final answer:
The infant mortality rate in the United States is approximately 6 deaths per 1,000 live births, which is a concern given the high healthcare spending in the country.
Step-by-step explanation:
The infant mortality rate in the United States, which quantifies the annual number of infant deaths per 1,000 live births, is an important indicator of the nation's healthcare system. Although the U.S. spends substantially on health care, the infant mortality rate (IMR) in the United States is relatively higher compared to some other developed nations. For instance, the IMR in the U.S. is about three times higher than that of Finland or Japan, indicating an IMR of approximately 6 deaths per 1,000 live births compared to 2 per 1,000 in these countries. Factors contributing to this include poverty and healthcare system issues, which are notably complex in the U.S. context.