Some research that has been conducted on falls statistics and their related costs are listed below:

Falls most common cause of injury – with numbers rising
 http://www.aihw.gov.au/media-release-detail/?id=60129552557

Falls in older people, 2011-12
Australian Institute of Health and Welfare
http://aihw.gov.au/injury/falls/

Australia’s Health 2014
Australian Institute of Health and Welfare
http://www.aihw.gov.au/australias-health/2014/

Hospitalisation due to falls in older people, Australia 2009-10
Australian Institute of Health and Welfare
http://www.aihw.gov.au/publication-detail/?id=60129542825