The US had a maternal mortality rate – or rate of women who died while pregnant or up to 42 days after childbirth – of 22 per 100,000 live births in 2022, the latest year available. The US had a maternal mortality rate – or rate of women who died while pregnant or up to 42 days after childbirth – of 22 per 100,000 live births in 2022, the latest year available.