Why is Psalms 23 read at funerals?

The reading of Psalm 23 at a funeral provides comfort to loved ones bereaved by the loss of the deceased. Mourners often find the verses of Psalm 23 comforting and reassuring in the face of death.

In Psalm 23, David portrays God as a masterful shepherd guarding his flock and restoring the souls of his followers. In one line of Psalm 23, David writes that even when they walk through the valley of the shadow of death, God is with those who believe, so they should not be afraid. For Christian followers, this line brings peace of mind to loved ones left behind that they can trust that the deceased is in the hands of God after death.