The age that is most afraid of death is middle aged adults.
Middle aged adults have the highest fear of death, although the fear of death tends to decline in late adulthood.
Studies also have found that fear of death and death anxiety also peaks in a person's 20s and then the death anxiety or fear of death tends to gradually decrease as they age.
Women may also experience a secondary peak of death anxiety or fear of death in their 50s.
Generally fear of death is lower in late adulthood, when people may focus more on quality of their remaining life and fear the process of dying rather than death itself.
The last sense to go is hearing when someone is dying.
When someone is dying they most often can hear you even though they cannot respond.
The first sense to go when you die is hunger and thirst.
Speech is lost next, followed by vision.
The last senses to go are usually hearing and touch.”
Whether dying is physically painful, or how painful it is, appears to vary.
Agonal breathing or agonal gasps are the last reflexes of the dying brain.
They are generally viewed as a sign of death, and can happen after the heart has stopped beating.
Another strange and disturbing reflex that has been observed after death is called the Lazarus reflex.
A conscious dying person can know if they are on the verge of dying.
Some feel immense pain for hours before dying, while others die in seconds.
This awareness of approaching death is most pronounced in people with terminal conditions such as cancer.
The last sense that goes when you die is your hearing so most patients who're dying can actually hear you.
As to the first sense to go when you die it could depend on how the person is dying or died.
If you died instantly then all your senses would go at once likely and if you're slowly dying then it's usually your ability to speak, see etc.
Most all of your senses besides your hearing will go first and then as you're in the last phase of dying your hearing is the last.