When someone thinks of a young woman, they likely envision someone in their early twenties or early thirties. This is not always the case, as there are plenty of young women in their twenties and early thirties who are older than their chronological age. There are a number of reasons why someone might be older than their chronological age.Someone might be born prematurely or have a chromosomal abnormality. Some young women might choose to wait until they are older to have children or to pursue certain career goals. Whatever the reason, there are plenty of young women out there who are older than their chronological age.