Mesothelioma is a cancer that affects the lining of the lungs, and is caused by exposure to asbestos. The average payout for mesothelioma in Australia is $1.1 million. This figure is based on a study of 100 cases of mesothelioma that were settled between 2009 and 2014. The average payout was $1.1 million, with the highest payout being $4.3 million.