[rylittle]

Interestingly enough, I once read that no one over the age of 60 has ever _retained_ perfect pitch

[jjk166]

It is commonly lost in a person's late 50s to early 60s, but there are cases of individuals retaining it into their 70s and 80s.

Further, the decline is gradual. Individuals who lose perfect pitch in 440hz tuning typically retain it at 415hz tuning for several more years.