How Much Does It Cost to Raise a Child? Why Every Figure You See Disagrees
Estimates run from $7,000 to $310,000 for the same eighteen years. Much of that gap is methodology — here is what each figure counts and what it leaves out.
Raising a child to 18 costs about $310,000 in the United States and about $7,000 in DR Congo, with a median of roughly $35,000 across the 61 countries where a figure is published — and most of that range is real, not a rounding difference.
Search this question and you will be handed a number with two commas in it and no explanation. The number is usually American, usually the highest available, and usually quoted without the assumptions that produced it.
Here is what the international comparison actually looks like, and why the figures disagree so violently.
The range
Across the 61 countries where a figure is published, the cost of raising a child to 18:
| Country | To age 18 | |
|---|---|---|
| Highest | United States | $310,000 |
| Australia | $300,000 | |
| Norway | $290,000 | |
| Canada | $280,000 | |
| South Korea | $260,000 | |
| Median | Colombia | $35,000 |
| Lowest | Angola | $10,000 |
| Ethiopia | $9,000 | |
| Mozambique | $8,000 | |
| DR Congo | $7,000 |
The US figure is roughly nine times the global median and forty-four times the lowest.
Why the figures disagree
Most of the spread is real — a childhood in Oslo genuinely costs more than a childhood in Kinshasa. But a meaningful part of it is definitional, and knowing which part matters if you are trying to plan.
Housing is the biggest single lever. Some methodologies attribute a share of rent or mortgage to the child — usually the marginal cost of an extra bedroom. Others exclude housing entirely on the grounds that you would be living somewhere regardless. That single choice can move a total by a third.
Childcare is the second. Where formal childcare is expensive and universal provision is thin, it can dominate the first five years. Where a grandparent does it, the same care costs nothing that any survey can measure — which systematically understates the cost in countries with more family care, and overstates the difference between countries.
The end date moves. Most figures stop at 18. Some run to 21 or through university, which in the US can add more than the entire preceding eighteen years.
Opportunity cost is almost never included. Reduced earnings, lost pension contributions and career interruption are usually the largest real cost to a household and are absent from nearly every headline number.
What this means in practice
The number is not a bill. It is a retrospective average across a whole population, including families who spent very little and families who spent enormously. Nobody receives an invoice for the average.
The second child is cheaper. Housing, equipment, and most fixed costs are already paid. Almost every methodology finds the marginal cost of a second child well below the first — often 20 to 30% less — which makes per-child averages actively misleading for larger families.
Timing is uneven. The cost is not spread smoothly across eighteen years. In high-childcare countries it front-loads heavily into the pre-school years and then falls; in countries with expensive tertiary education it back-loads. Which shape you face changes the planning problem completely, and the total tells you nothing about it.
The honest summary
If you want a planning figure, use your own country's number, check what it includes, and then adjust for the two things it almost certainly excludes: your housing situation and your own lost earnings.
If you want a comparison figure, use the ranking — but read it as a measure of what a society charges for a childhood, not what a family must spend. Those are different questions, and the second one is the one nobody has a good number for.
See all 61 published figures at cost of raising a child by country, or the childcare component specifically at childcare cost statistics.