Great Barrier Reef 'too big to fail' at $56 bn.

A supplied image obtained Tuesday, Sept. 22, 2015 of Australia's Great Barrier Reef as seen from above. Source: HAMILTON ISLAND

The Great Barrier Reef has a total asset value of $56 billion and is "too big to fail", according to a new report.

Deloitte Access Economics has calculated the economic, social and iconic value of the world heritage site in a report commissioned by the Great Barrier Reef Foundation.

Tourism is the biggest contributor to the total asset value making up $29 billion.

The Great Barrier Reef generates 64,000 jobs in Australia and contributes $6.4 billion dollars to the national economy, the report said.