Cost of Raising a Child Calculator (Any Country)

A cost of raising a child calculator for any country in the world

Most cost-of-raising-a-child tools, including our own dedicated calculators, are built from country-specific spending surveys, which means they only exist for the handful of countries someone has bothered to build them for. This page fills the gap: a genuinely international cost of raising a child calculator that works for any of the world's currencies and any household income, using a well-established piece of economics rather than invented local data.

The method is the OECD-modified equivalence scale, the same tool economists and statistics agencies use to compare living standards across household sizes. It assigns a weight to each household member: 1.0 for the first adult, 0.5 for a second adult, and 0.3 for each child. A child's share of total household consumption is simply that child's weight divided by the household's total weight. Multiply that share by how much of your income goes to consumption, and you get a defensible, internationally consistent estimate of what a child costs in your household, in your currency.

How this international calculator works

1. Pick your country. Type to search any of 197 countries and territories. This sets only the currency symbol and number formatting for your results; it does not convert or adjust your income figure in any way.
2. Enter your household income before tax. Type your own figure in whatever currency your selected country uses. There is no per-country default income; the starting $50,000 is a generic placeholder, not a claim about your country.
3. Choose your number of children. One, two, or three-or-more, each with its own OECD-based weight.
4. We calculate your child's share. Household consumption is estimated as 85% of gross income (a stated, editable-in-spirit assumption you can adjust for yourself if your household saves more or less). The child's share of that consumption, based on the OECD weights, becomes your annual, monthly, and 18-year total.

A worked example

Take the default: United States, $50,000 household income, one child. Estimated household consumption is 85% of $50,000, or $42,500. One child's OECD weight is 0.3 against a household total of 1.8 (1.0 for the first adult, 0.5 for the second, 0.3 for the child), a share of 16.7%. Applied to consumption, that is about $7,083 a year, $590 a month, or $127,500 across 18 years.

Now switch to two children on an $80,000 income. The weight calculation changes to 0.6 against a household total of 2.1, a share of 28.6%, and estimated consumption rises to $68,000. The result: about $19,429 a year per child, or roughly $349,714 across 18 years for that child's share alone. Switch the country field to "Japan" and nothing about these numbers changes except the currency symbol, since this model does not carry country-specific price data; only your own income figure and currency selection drive the result.

Where this model is strong, and where it is not

This calculator's strength is that it works everywhere and scales honestly with your own household income, using a citable, peer-reviewed method rather than a guess. Its limitation is exactly what makes that possible: it has no information about actual prices, wages, subsidies, or living costs in your country. Two households with identical income in different countries get identical results here, even though real costs of housing, childcare, and healthcare vary enormously by country.

For six countries, we have gone further and built calculators using real local data: government statistics agencies, national household expenditure surveys, and country-specific benefit programs. If your country is one of these six, we genuinely recommend using that calculator instead of this one; a callout above your result links to it automatically when you select one of these countries.

• United States — USDA-based, state-adjusted
• United Kingdom — CPAG-based, nation-adjusted
• Canada — Statistics Canada-based, province-adjusted
• Australia — AIFS/ABS-based, state-adjusted
• Germany — Destatis-based
• Japan — Cabinet Office/MEXT-based

Assumptions and methodology

• Default values. The tool loads with United States selected, USD formatting, a starting income of $50,000, and one child, producing a default estimate of $127,500 to age 18. Change any control to personalize it.
• Equivalence scale. We use the OECD-modified scale: first adult = 1.0, second adult = 0.5, each child = 0.3. A child's share of household consumption equals the child's weight divided by total household weight (approximately 16.7% for one child, 28.6% for two, 37.5% for three or more against a two-adult household).
• Consumption assumption. We assume 85% of gross household income is consumed (spent on goods and services) rather than saved, taxed, or invested. This is a simplifying, stated assumption, not a measurement of your household; households that save significantly more or less will find their real child-related spending differs from this estimate accordingly.
• Currency handling. Selecting a country sets only the currency code and number formatting (via each currency's standard formatting conventions), applied through your browser. No exchange-rate conversion happens when you change countries; your income figure is not converted, only relabeled in the new currency's symbol and format.
• This is a relative, income-scaled estimate, not a measurement of local prices. It will not reflect the actual cost of housing, childcare, healthcare, or education in your specific country or city, which is exactly what our six dedicated country calculators are built to do.

Frequently asked questions