PetNcs
Chameleon Enthusiast
Why not give precise info?For Yemen (Veiled ) Chameleons, females can live up to 7 years and males have been known to go 10+ when given proper care. Fortunately knowledge and modern equipment this can all be very manageable.
https://archaius.eu/_files/200000141-413d8413db/8-12 Longevity.pdf