Final answer:
The percentage of newborn children who are girls is largest in Sweden.
Step-by-step explanation:
According to the given information, the percentage of newborn children who are girls is largest in Sweden. This is because the given data states that there is a severe shortage of women in some provinces of China, and the birth ratio in China is higher for boys. On the other hand, Sweden is known for its gender equality and has a relatively higher percentage of newborn girls.