Mexican women give birth to the largest number of children in America. This accounts for approximately 32% of total births. Their long history of migration, geographical proximity and large population contribute to this. If we talk in numbers, approximately 2,87,052 children have been born to Mexican women in the United States.

Chinese women are the second largest number of women giving birth to children in the United States. Their numbers include large numbers of students, skilled worker immigrants, and families settling in American cities with strong Asian communities. Approximately 44,829 children have been born to Chinese women in the United States.