Why do very few people live in the interior of Australia?

The dangers posed by volcanic eruptions make it unsuitable for settlement.

The interior has few natural resources that are useful to people.

The interior region is reserved for for the aborigines.
It's extremely dry climate makes farming difficult

The harsh and extreme climate of the interior of Australia, characterized by high temperatures, low rainfall, and limited access to water sources, makes it difficult for people to live there. Additionally, there are limited economic opportunities and infrastructure in the interior, making it less attractive for settlement. The majority of the Australian population lives along the coasts where the climate is more temperate and there are better access to resources and services.