What happens to babies who die?
The Bible does not answer this directly, and anyone who says otherwise is filling a silence. What it gives is a man who had just lost an infant saying he would go to him, a God who repeatedly protects those who cannot speak for themselves, and a judge described as always doing right. Every historic tradition has read that hopefully.
This question is almost never asked in the abstract. It is asked by somebody holding a photograph, and the worst thing a Christian can do is answer it like a crossword clue.
So: the honest position first, and then what there is.
Scripture does not address it head-on
There is no verse that says what happens to a child who dies before they can understand anything. Christians who quote one confidently are stretching a text.
That silence is uncomfortable and it is better than an invention. What we have instead is a set of things that point in one direction, none of which is a proof.
What there is
David. His infant son dies after a week of illness. David has been fasting and weeping; when the child dies he gets up, washes and eats. Asked why, he says the child cannot come back to him, but I shall go to him.
2 Samuel 12:23KJVBut now he is dead, wherefore should I fast? can I bring him back again? I shall go to him, but he shall not return to me.Some scholars read this as no more than an acceptance that death is final in one direction — I will join him in the grave. Others read it as expectation of reunion, and David elsewhere clearly believes in life beyond death. It is the strongest text there is and it is not conclusive, which is worth saying plainly.
Jesus with children. When his disciples try to keep children away he is angry — the word used is strong — and says the kingdom belongs to such as these. It is not a statement about infant mortality. It is a striking thing to say about where children stand.
The character of the judge. Abraham’s question — shall not the judge of all the earth do right? — is asked as though the answer is obvious. Whatever happens to a child who never had a chance to know anything, it will not be something you would look at and call unjust.
The phrase people use, and its limits
You will hear about an age of accountability — a point at which a person becomes responsible for responding to God, with children below it safe.
It is a reasonable inference and the phrase is not in the Bible. No age is given, and it plainly could not be the same for every child. It is a name for a hope rather than a doctrine, and it is more honest to present it that way.
What to actually say to a grieving parent
Almost nothing of the above.
What they need to hear is that their child is not a theological problem, that God is not less kind than they are, and that the God being described is one who lost a son himself. Whatever else is unclear, that is not.
Then stop talking. The book of Job has three friends who say wise things for thirty chapters and are told at the end that they got it wrong; the only part they did well was the week at the beginning when they sat on the ground and said nothing.
Objections answered
If babies who die go to heaven, isn't that an argument for infant mortality?
It is the ugliest form of the question and it has been asked seriously. The answer is that death is described throughout the New Testament as an enemy, not a shortcut — the last enemy to be destroyed. Nothing in Christianity treats a child dying as a good outcome, and God’s mercy in a catastrophe is not an endorsement of the catastrophe.
What about original sin? Aren't they born guilty?
Traditions differ sharply. Some hold that inherited sin is a condition needing healing rather than a personal crime requiring punishment. Others hold that Christ’s death covers those who could never have believed. Nobody holds that God is stuck, unable to save someone he wishes to.
Why doesn't the Bible just say?
A fair complaint, and the same one that applies to those who never heard. It answers the questions its first readers were asking. The right response to the gap is to say there is a gap, not to fill it and call it revelation.
Shared ground, and where traditions differ
All Christians hold
No tradition teaches that God is unable or unwilling to save an infant, and all of them treat the death of a child as a grief and an evil rather than as a plan.
Roman Catholic
Entrusts children who die without baptism to God’s mercy, and has set aside the older speculation about limbo as never having been official teaching.
Eastern Orthodox
Declines to speculate, commends the child to God’s mercy in its funeral prayers, and treats the question as belonging to God rather than to theologians.
Protestant
Most hold that children who die are saved through Christ, arguing from God’s character and from David — while differing on the mechanism.
Related questions
Inspired by Got Questions — "Do babies and children go to heaven when they die?". The argument is theirs; the words here are ours.
Did this answer the question?