What will the funding be based on?

Each agency has its own eligibility criteria.
Once these criteria are met funding is based on:

NDIS

Reasonable and necessary support (less any insurance payouts)

Aged Care

Reasonable and necessary support (talking to account income/assets)

icare (Workers compensation)

The type, nature and severity of the work related injury

Understanding your Workers compensation Insurance cover

Private insurance companies

For e.g. public liability, disability insurance, income protection insurance, etc)

Insurance policy wording

icare lifetime care (motor vehicle accidents)

Reasonable and necessary support (less any insurance payouts)