There is no single “average world population bra size” due to significant variations across countries and regions. However, there are some general trends:

In Western countries, the average bra size tends to be larger:

• United States: 34DD or DDD
• United Kingdom: C cup
• Canada: C cup

The average bra size in the US is often cited as 34DD. This figure has changed over the years, with the average being a 34B in the 1980s.

In European countries, the average size varies:

• Norway: C-D cup
• Russia: B-C or DD cup
• Germany and France: Around C cup

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Asian countries generally have smaller average sizes:

• China: A cup

Other regions:

• Brazil: C cup
• South Africa: B cup

In the UK, the average bra size is around 36DD, which is slightly larger than the US average due to differences in body shapes and measurements.

 

What is the Largest Bra Size?

The largest bra size ever recorded is an astonishing 102ZZZ. While this is an extreme case, sizes like K and L cups are more commonly available in specialty stores. The largest band size typically goes up to 52 inches, but custom orders can accommodate larger measurements.

 

What is the Smallest Bra Size?

The smallest commonly available bra size is 28AA, but some specialty retailers may offer 28AAA. The AA cup means that the bust measurement is less than one inch larger than the ribcage measurement.