marine-nation


  • At 14 million km2, Australia's marine jurisdiction is the third largest on Earth and nearly twice the surface area of the Australian land mass.
  • Australia's coastline stretches almost 70,000km, nearly as long as the coastline of Europe.
  • Marine industry contributes close to $40 billion a year to the Australian economy and the sector is growing rapidly.
  • The Australian marine environment contains all five of the world's ocean climate zones: equatorial, tropical, sub-tropical, temperate, sub-polar and polar.
  • The Great Barrier Reef is the largest and best managed coral reef in the world, with about 3,000 individual reefs covering an area of 345,950 km2.
  • Australia shares ocean boundaries with three other nations: Papua New Guinea, East Timor and Indonesia.
  • Eighty-five per cent of Australia's population lives within 50km of the coast and two- thirds reside in coastal towns and cities.
  • Australia has 38 Marine Protected Areas (MPAs) designated under international law.
  • Australian sea levels rose by about 10cm between 1920 and 2000 and are projected to rise even more steeply as the planet warms.
  • Australia is a three-ocean country with a stake in the management and security of the Indian, Pacific and Southern Oceans,
    as well as the three seas to our North – the Timor, Arafura and Coral seas.