At what age girls are achieving puberty now a days

A. In a rare case is about eight years to 9 years of age and in general kids most of kids get your body between the time of 11 to 13 years some kids get it at the time so after an average age of nine you can expect it to happen any time which is why it’s very important to maintain a good diet for the child so that the periods can be prolonged because it’s very unhealthy to have periods in a small age