Average Breast Size and BMI by Country

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Norway Tops the List with the Highest Average Chest Size and BMI

1. Norway Leads Globally in Average Breast Size and BMI

In 2025, Norway ranks at the top of the list with an average breast size falling within C-D and an average BMI of 26.2. This Scandinavian country has consistently maintained its position, reflecting broader health and demographic trends within the nation. The data showcases not only physical characteristics but also hints at lifestyle factors influencing these averages.

2. The United States Holds a Central Position with Notable Statistics

The United States displays an average breast size of C and an average BMI of 29.0, indicating a larger overall body mass compared to other nations. This data aligns with ongoing discussions around health, diet, and lifestyle habits prevalent across the country. The Canadian data closely follows, featuring B-C breast size averages with a BMI of 26.7, emphasizing regional similarities.

3. European Nations Seem to Have Moderate to Smaller Averages

European countries such as the United Kingdom, Sweden, and Poland show average breast sizes ranging from B-C, with average BMIs in the mid-20s. For instance, Sweden’s average BMI of 25.4 coincides with its B-C breast size, reflecting a generally healthy and active demographic profile.

4. Latin American Countries Show Slightly Lower Shoulder Height Averages

Countries like Venezuela, Colombia, and Argentina have breast size averages that range from A-B to B-C and BMI figures around 26.9. Interestingly, Argentina’s average breast size is A-B, with a BMI as high as 27.6, showing regional variations influenced by genetics and lifestyle.

5. Asian Nations Display Smaller Average Breast Sizes and BMIs

China and South Korea have notably smaller averages, reporting AA-A cup sizes along with BMI figures around 23.1 to 23.5. This trend draws attention to genetic and nutritional factors prevalent in East Asia, with Thailand, Vietnam, and Cambodia also following suit.

6. Middle Eastern and African Countries Feature Diverse Data

In countries such as South Africa, Saudi Arabia, and Nigeria, the averages show a wider spread. South Africa reports an A breast size with a BMI of approximately 29.5, highlighting regional health trends. Saudi Arabia’s similar size and BMI mirror these regional health profiles, even as some countries, like Nigeria, have slightly smaller sizes (AA-A).

7. Southeast Asian and South Asian Countries Exhibit Smaller Averages

Most Asian countries, including India, Pakistan, and Bangladesh, report average breast sizes in the AA-A range, coupled with lower BMI figures — around 21.8 to 24.7. Despite their smaller averages, these figures tend to reflect nutritional and developmental factors affecting growth patterns.

8. The Impact of Lifestyle on Average Sizes

The data reveals clear correlations between BMI and breast size, emphasizing how lifestyle, diet, and genetics can influence physical characteristics. Countries with higher BMI often report larger breast sizes, while regions with lower BMI tend toward smaller averages.

9. Notable Variations Within Continents

Within Europe and the Americas, subtle differences emerge—European countries generally have smaller average sizes compared to North America. Latin American countries show mixed results, often influenced by socioeconomic factors and health policies.

10. International Trends in Body Size and Development

Overall, global data indicates a trend toward larger BMI and breast sizes in northern and developed nations, with smaller averages in Asian and some African countries. This ongoing shift signifies changing nutritional patterns, healthcare access, and genetic diversity worldwide.

Source: WorldData via NyPost (2025)
Note: All bra sizes referenced are based on the US standard sizing system.