People live in their yurts for all their lives in Mongolia. However, due to the geographical differences yurts life is various depending on many characteristics including, how long the yurt will be up for, the quality of care services and location of the yurt etc...
Good news is the wooden components are indefinitely usable if you care them appropriately.
The fabrics can be used up to 8-10 years before getting replaced. Again, the fabrics require an appropriate care which we supply our recommendations when you purchase a yurt from us.
So, yurt can be used for all your life if you do the required care services.