The Bible doesn’t tell us what age the redeemed will be in heaven, but it is believed that just as God created Adam And Eve fully grown in the prime of their youth (Genesis 1:27), likewise God will give His children new bodies in that condition.
The prime of age is considered to be around 30 years old. Jesus started His earthly ministry at the age of 30 (Luke 3:23). And John the Baptist, who was six months older than Jesus, probably started his ministry at 30 years old. This was the age at which the Levites entered into their work; the age when it was lawful for scribes to teach. Numbers 4:3 says, “From thirty years old and upward even until fifty years old, all that enter into the host, to do the work in the tabernacle of the congregation.”
Some Bible students believe that the redeemed will be at around the age Jesus was when He ministered on Earth. John says, “Dear friends, now we are children of God, and what we will be has not yet been made known. But we know that when Christ appears, we shall be like him, for we shall see him as he is” (1 John 3:2).
In heaven, we will enjoy a state of youthfulness with our new bodies which God will give us at His coming. The apostle Paul tells us that “We shall all be changed … and the dead will be raised incorruptible. For … this mortal must put on immortality” (1 Corinthians 15:51–53).
Ageing and all the effects of sin will pass away in the new Earth. For “He will wipe away every tear from their eyes; and there will no longer be any death; there will no longer be any mourning, or crying, or pain; the first things have passed away” (Revelation 21:4).
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In His service,