Top Countries with the Largest Average Breast Sizes

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Countries with the Largest Breast Sizes in 2025

1. Norway Leads with the Largest Average Breast Size and BMI

   Norway stands out as the country with the largest average breast size, typically measuring from C to D cup. Women also tend to have a higher BMI averaging 26.2, indicating a correlation between breast size and overall body weight in this region.

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2. United States Follows Closely Behind

   In the U.S., the average breast size hovers around a C cup, with an average BMI of 29 — one of the highest among developed nations. This suggests a trend linking lifestyle and diet to breast sizes across American women.

3. The United Kingdom Maintains Consistent Standards

   British women maintain an average breast size of C, with an average BMI of 27.1. Factors such as diet, genetics, and healthcare access contribute to these figures.

4. Venezuela and Russia Both Carry Notable Averages

   Women in Venezuela and Russia typically wear B to C cup sizes with average BMIs of 26.9 and 26.7, respectively. Cultural factors and regional nutrition may influence these average sizes.

5. South American Countries Show Slight Variations

   Colombia, Argentina, and Brazil have breast sizes averaging between B and C cups, with variations influenced by dietary habits and genetic diversity across the continent.

6. Canadian and Dutch Women Show Similar Trends

   Both Canada and the Netherlands feature women with B to C cup sizes. Notably, the Netherlands has an average BMI of 25.3, slightly lower than Canada’s.

7. European Nations Exhibit Slightly Smaller Sizes

   Countries such as Sweden, Poland, and Germany display averages predominantly within the B to C cup range, with BMIs around the mid-20s, reflecting diverse lifestyles.

8. Australia and Hungary Share Similar Metrics

   Australian women typically have a B cup, with an average BMI of 26.8. Hungary mirrors this trend, with just a slight variation.

9. Southern European and Middle Eastern Nations

   France, Greece, and Cyprus tend toward smaller A-B sizes, with their BMI profiles suggesting differing dietary and genetic influences compared to Northern Europe.

10. Asian Countries Show Smaller Average Sizes

    China, South Korea, and Thailand have the smallest averages, with breast sizes classified between AA and A cups and BMIs around 23 to 25, corresponding with regional body type and nutrition patterns.

11. African and South Asian Regions

    Nigeria, Indonesia, and Bangladesh predominantly have AA to A cup sizes, with BMI averages in the low 20s, indicative of different body composition norms.

Key Takeaways:

• There is a clear geographic pattern in average breast sizes, with Northern and Scandinavian countries leading.
• Higher BMI levels often correlate with larger breast sizes.
• Cultural, dietary, and genetic factors profoundly influence these averages worldwide.
• The varying sizes also reflect broader lifestyle and health trends unique to each region.

Note: The data is sourced from WorldData via NyPost and reflects averages based on U.S. standard bra sizing conventions.

Disclaimer: This list is illustrative and does not encompass all countries globally.

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