To dream of a life review represents remembrance of everything that has happened to you before you decided to move on. You may have made a big decision or experienced a big change and are looking back over your old life. You may also be looking for mistakes you made before a change happened.
Alternatively, you may be nostalgic about everything that has happened to you before starting a new chapter of your life.
Example: A man dreamed he died of a gunshot to the head and then experiencing a life review. In waking life he finally decided to move away for a new job and was remembering everything that happened to him that lead him to this decision