In 2022, the number of mothers who gave birth to their first child was 280,432.
The number of mothers who gave birth for the first time by age group is:
Under 20 - 44,259 people (15.8%)
20-29 years old - 216,792 people (77.3%)
30-39 years old - 18,734 people (6.7%)
40-45 years old - 647 people (0.2%)
