Nine News Dementia named as leading cause of death in Australia | 9 News Australia 6 months ago The News Room It’s a debilitating disease impacting 420000 Australians, and now dementia is officially the leading cause of death in our country. Post navigation Previous ANZ to pay $240 million fine; 2025 Emmy Awards underway | 9 News AustraliaNext Western Sydney spots to receive more modular homes | 7NEWS