| Breast Size Averages | Inches |
| Average American female breast size | 35.9 inches |
| Average American female bra cup size | 34 B |
| Average aerola size | 1.4 inches |
| Average erect nipple size | 0.27 inches |
| PREV DATA SET |
Statistic Sources & References
Source: Statistic Brain Research Institute (Online / Direct Response Mail)
Date research was conducted: March 1, 2017
Breast Size Statistics
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