When people talk about breast size, they often describe it in terms of bra size. Pinning down an exact number for what's “normal” or "average".
By far the largest breasts are found in North America, the smallest in Asia. With an average volume of 1494 ml and thus cup size F the women from the United.
What's the average bra size? That's a tricky question to answer, because it depends on a few factors such as age and whether we're talking.