What is the best description of the settlement of Australia?

Responses

The inland is sparsely settled, and coasts are well populated.
The inland is sparsely settled, and coasts are well populated.

The inland is densely settled, but the fertile coasts are used mostly for farming.
The inland is densely settled, but the fertile coasts are used mostly for farming.

The coastal areas are densely settled and contain most of the aboriginal population.
The coastal areas are densely settled and contain most of the aboriginal population.

The inland and coasts are equally settled.

The first three descriptions all regard the settlement of Australia disproportionately favoring either the inland or the coasts. The fourth description, however, states that both the inland and coasts are equally settled.