There may be a correlation between age and maturity, as some studies have shown that brain maturation during adolescence (ages 10-24) could be governed by different factors and can affect the development of emotional and social functions . However, it's important to note that growing in age and growing in maturity are not the same , and psychological maturity is not determined solely by one's age. Factors such as life experiences, culture, and environment can also play a role in an individual's maturity level. It's also worth considering that different people may mature at different rates, and therefore age doesn't necessarily guarantee maturity.

"Is there a relationship between ones age and maturity?"

In general, there is a positive relationship between one's age and maturity, be it biological, cognitive, interpersonal, proscial, emotional, epistemological, moral and so on.

I say in general because age is an indicator but not a criterion of any type the just mentioned forms of maturity. This is more so, the more the just mentioned forms of maturity are seen in qualitative rather than quantitative terms. A caveat is now in order. The term maturity tends to bo be used for psychical and biological maturity/growth and the term development for the other types of maturity. It is worth mentioning that J. Piaget was able conceptualize four factors of psychological development: biological maturation, active physical experience, social interaction and equilibration.