Average Bra Size by Country
Search for the average bra size in any country and you will find confident answers — 34DD in the United States, 36DD in the United Kingdom, a neat world map with a cup letter on every country. The honest version is messier: there has never been a global census of bra sizes, and the figures you see online come from a mix of retail fitting surveys, sales data and small studies that were never designed to be compared with each other. This page shows what the published sources actually report, says where each figure comes from, and explains why your own measurements matter far more than any national average.
The table below uses one secondary compilation for every country row — World Population Review's "Breast Size by Country", which combines several smaller studies with manufacturer sales information and converts the results to a simplified US-equivalent cup scale. Its publisher states plainly that the result should be read as an approximate international comparison rather than scientifically reliable population data. We keep the published ranges exactly as they are (B–C stays B–C) and we do not invent a full national size — a reported cup category of "C" is not the same as claiming the average American wears a 34C. Where a separate retail survey has reported a full size for a country, we name it and its sample so you can judge it yourself.
Average Cup Category by Country
Read the cup categories as broad ranges on a simplified US-equivalent scale. A cup letter has no fixed volume without a band: a 30C and a 40C do not hold the same cup volume, so these categories describe a population's general range, never a size to shop for.
| Country | Approx. cup category | What the sources report | Find your size |
|---|---|---|---|
| Norway | C–D | Highest cup category in the compilation. | Converter |
| United States | C | Retail fitting survey (Intimacy, 2013, 40,000 customers) reported 34DD; a later Bedbible survey reported 40C. | Calculator |
| United Kingdom | C | Commonly reported retail average 36DD. | Calculator |
| Iceland | C | Same cup category as the US and UK in the compilation. | Converter |
| Venezuela | B–C | Upper-middle cup category in the compilation. | Converter |
| Colombia | B–C | Upper-middle cup category in the compilation. | Converter |
| Sweden | B–C | Upper-middle cup category in the compilation. | Converter |
| Netherlands | B–C | Upper-middle cup category in the compilation. | Calculator |
| Canada | B–C | Upper-middle cup category in the compilation. | Calculator |
| Georgia | B | Single cup category B in the compilation. | Converter |
| Finland | B–C | Upper-middle cup category in the compilation. | Converter |
| Poland | B–C | Upper-middle cup category in the compilation. | Converter |
| Denmark | B–C | Upper-middle cup category in the compilation. | Converter |
| New Zealand | B | AU/NZ bands use different numbering from US bands. | Calculator |
| Australia | B | AU bands are not US band numbers (a US 34 is an AUS 12). | Calculator |
| Ireland | B | Commonly shops in a UK-style sizing system. | Calculator |
| Switzerland | B | Check the retailer's exact sizing system. | Calculator |
| Brazil | A–B | Retail labels may follow local conventions. | Calculator |
| Germany | A–B | EU band and cup context required. | Calculator |
| Spain | A–B | EU and French labels may both appear. | Calculator |
| Japan | A–B | Japanese labels need local conversion. | Calculator |
| France | A–B | French bands differ from EU labels (FR = EU + 15). | Calculator |
| South Africa | A | Broad secondary estimate only. | Converter |
| Saudi Arabia | A | Broad secondary estimate only. | Calculator |
| Mexico | A | Broad secondary estimate only. | Calculator |
| Italy | A | Italian band labels require conversion. | Calculator |
| India | A | Broad secondary estimate only. | Calculator |
| China | AA–A | Lowest cup categories in the compilation. | Converter |
| South Korea | AA–A | Measured and commonly worn sizes can differ. | Calculator |
Cup categories are from World Population Review, "Breast Size by Country" (2026 compilation of several smaller studies, 108 countries covered; Norway was added in the updated ranking). Full-size retail figures in the table come from the sources named in each row and in the Sources section below.
How to Read These Numbers
A cup letter is only half a size. Cup capacity increases with band size, so a national cup category tells you nothing about the band most people wear — and without a band there is no complete bra size. Any page that turns a reported "C" into a claim like "the average German size is 34B" has invented the band.
Best-selling is not the same as average. Retail figures reflect what brands manufacture, what stores stock, what shoppers can access and how people have been fitted. The widely quoted US figure of 34DD comes from a 2013 fitting survey of 40,000 customers by the lingerie retailer Intimacy, which found the average had moved up from 34B over about twenty years. A later Bedbible survey of more than 15,000 women worldwide reported 40C for the US instead. Both are real surveys; they disagree because they measured different people in different ways. Neither is a census.
One national figure hides wide variation. Every country includes many ages, regions, body compositions, life stages and communities. A single letter cannot represent that diversity, and the compilation itself notes that average cup size correlates quite closely with average BMI — which is a population-level pattern, not a fact about any individual body.
What the pattern does show. The broad pattern in the compilation places several northern European and English-speaking countries in the upper categories and several Asian and African countries in the lower categories. That is descriptive of this dataset, not a biological rule: body composition, age, sample design, available size ranges, fitting habits, retailer stock and income can all influence what gets measured or sold.
Methodology Note
We used a single secondary compilation for all 29 country rows in the table, so the method does not quietly change from a retailer sales report in one country to a self-reported survey in another. We preserved the published ranges (A–B, B–C, C–D) instead of tidying them into single letters, and we added full-size figures only where a named survey reported one. Countries are omitted when the compilation does not cover them — an omission means no usable published figure, not a small size. If better data is published, this page should be updated rather than left to age.
Your Size Varies — and That Is Normal
Being above or below your country's reported range says nothing meaningful about whether your body is "normal". Comfort, support and fit are individual: the useful question is not "Do I match my country?" but "Does this bra stay level, contain the tissue and feel comfortable through my day?" If you want your own size, measure your underbust and bust and use the calculator for your country — the links in the table take you straight there. The measuring guide walks through both measurements, and the global size converter converts a size you already know between systems.
Sources
- World Population Review, "Breast Size by Country" — compilation of several smaller studies covering 108 countries, reporting average cup size on a simplified US-equivalent scale (range AA to C, with Norway at C–D in the updated ranking). The publisher notes there are few credible large-scale studies on average breast size and that the comparison is approximate, not scientifically reliable population data.
- Intimacy fitting survey, 2013 — lingerie retailer survey of 40,000 customers, reporting the average US bra size as 34DD, up from 34B about twenty years earlier. A retail fitting survey, not a measured population.
- Bedbible survey — survey of more than 15,000 women worldwide, reporting the average US bra size as 40C. Included here to show that retail and survey figures for the same country disagree.
- UK retail reporting — the UK average is commonly reported in retail and fitting coverage as 36DD; like the US figures, it comes from sales and fitting appointments rather than a measured population.
Keep Exploring
- All country calculators — every country calculator on this site.
- Global size converter — convert a size between sizing systems.
- Bra size chart — US, UK, and EU band and cup sizes in one table.
- Bra size calculator — find your estimated size from your measurements.
Frequently Asked Questions
What is the average bra size worldwide?
There is no scientifically established worldwide average full bra size, because no global census has ever measured it. The World Population Review compilation places the global natural breast average between a large US A and a smaller US B cup, and its own publisher notes the comparison is approximate rather than scientifically reliable population data.
Which country has the largest average bra size?
In the World Population Review 2026 compilation, Norway is listed first with an average cup range of C–D, followed by the United States, the United Kingdom, Luxembourg and Iceland at C. These are broad cup categories from a secondary compilation of smaller studies, not measured national averages.
Why do US average figures disagree — 34DD in one place, 40C in another?
Because they come from different kinds of data. The widely quoted 34DD comes from a 2013 fitting survey of 40,000 customers by the retailer Intimacy. A later Bedbible survey of more than 15,000 women worldwide reported 40C for the US. Retail and survey figures reflect who was fitted or who answered, not a measured population, so different samples give different answers.
Should I buy the average size for my country?
No. A national average describes a population, not you, and the ranges on this page are broad cup categories without a band — a cup letter alone is not a size. Measure your own underbust and bust and use the calculator for your country instead.