The job with the largest number of workers in Australia is unpaid � 2.7 million people have caring responsibilities and, perhaps not surprisingly, the majority don't consider it a job. If you're a mother, father or sibling of a disabled child, or have the responsibility for a parent with dementia, it's a role that you fulfil out of love as much as duty.? But if you put a cost value on that care provision, as Access Economics did in 2010, it comes to $40.9 billion � quite a saving for the public purse. Of those 2.7 million carers, 1.5 million are of working age and the majority � 55% � combine their caring role with paid work. Somehow, 63% of those carers manage to do that while working full-time.?