This page is concerned with Average Breast Sizes among females in different countries, as well as different time periods. It attempts to bring accurate, and up-to-date data on the subject of Average Cup Sizes, Average Bra Sizes and the sizes of breasts themselves.
The Average Cup Size in the United States, based on information available is displayed in the following chart.
|Cup Size||Percentage of Population|
As discussed on our home page, it appears the Average Cup Size is normal distribution in nature, with the highest percentage of the population occuring in the B Cup range at 44%. Outliers in this distribution are defined by the AA and DD Cups, making up less than 3% of all the population.
There have also been a number of studies conducted regarding the explicit average size of breasts themselves. These studies are illustrated in the following chart.
There are a number of reasons behind the evident increase in breast size over the past years, and these theories include weight gain, as well as a number of fashion-based biases that could possibly skew results.