It appears so, particularly in the U.K. The following was stolen from Wiki, so it must be correct.
"Foster's annual sales amount to around 500 megalitres worldwide, largely buoyed by UK sales, where it is the second highest selling beer after Carling.[3] While known internationally as the quintessential Australian beer brand, Foster's does not enjoy widespread popularity in Australia compared to other CUB beers such as Victoria Bitter or Carlton Draught.[4]"
I don't have access to accurate scales over 5kg's