Here are 6 Bible verses about length of life from the Old and New Testaments of the Holy Bible (King James Version), sorted from most to least relevant.
Matthew 27:5 KJV
And he cast down the pieces of silver in the temple, and departed, and went and hanged himself.
Job 22:15 KJV
Hast thou marked the old way which wicked men have trodden?
Ephesians 6:3 KJV
That it may be well with thee, and thou mayest live long on the earth.
2 Samuel 3:27 KJV
And when Abner was returned to Hebron, Joab took him aside in the gate to speak with him quietly, and smote him there under the fifth rib, that he died, for the blood of Asahel his brother.
Proverbs 3:13-16 KJV
Happy is the man that findeth wisdom, and the man that getteth understanding. For the merchandise of it is better than the merchandise of silver, and the gain thereof than fine gold. She is more precious than rubies: and all the things thou canst desire are not to be compared unto her. Length of days is in her right hand; and in her left hand riches and honour.
Proverbs 10:27 KJV
The fear of the LORD prolongeth days: but the years of the wicked shall be shortened.