The index analysed 167 countries on 12 different measures of prosperity, from economy to levels of safety and security, personal freedom, health, education and living conditions.
A panel of experts looked for hospitals with low rates of C-section, episiotomy and early elective deliveries, and that follow crucial protocols to protect mothers and babies.
Australia did particularly well in the rankings, with Australian cities taking first, fourth and seventh place.
Minnesota ranked highest in physical health, economic stability and quality of life, while last-place Louisiana suffered from poor health and high unemployment.
Trump's travel ban proposals and his anti-immigration rhetoric have worsened the U.S.'s image in other countries, according to experts.
Can North Carolina repeat?
Of all 50 states, Mississippi came in last for weakening gun legislation this year.
The annual Best Colleges rankings came out September 9.