Number of births by gestational age and birth weight between 2000 and 2019 in Japan

This dataset shows the number of births in Japan by birth weight and by gestational age between 2000 and 2019. These data are from the annual vital statistics population data collected by the Ministry of Health, Labour and Welfare of Japan. In Japan, information related to birth was collected from birth certificates which issued by obstetricians and midwives at hospitals and clinics at the time of birth, and these data are reported to the mayor of the municipality. The birth certificate lists the sex, birth weight, gestational age, etc..These data are systematically registered electronically with the municipal government as vital statistics data.