| Ashmore and Cartier Islands (2001) | Ashmore and Cartier Islands (2008) | |
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| Area | total: 
 5 sq km land: 5 sq km water: 0 sq km note: includes Ashmore Reef (West, Middle, and East Islets) and Cartier Island  | 
				total: 5 sq km 
 land: 5 sq km water: 0 sq km note: includes Ashmore Reef (West, Middle, and East Islets) and Cartier Island  | 
				
| Background | These uninhabited islands came under Australian authority in 1931; formal administration began two years later. Ashmore Reef supports a rich and diverse avian and marine habitat; in 1983 it became a National Nature Reserve. Recent geological explorations have indicated promising petroleum formations. | These uninhabited islands came under Australian authority in 1931; formal administration began two years later. Ashmore Reef supports a rich and diverse avian and marine habitat; in 1983, it became a National Nature Reserve. Cartier Island, a former bombing range, is now a marine reserve. | 
| Country name | conventional long form: 
 Territory of Ashmore and Cartier Islands conventional short form: Ashmore and Cartier Islands  | 
				conventional long form: Territory of Ashmore and Cartier Islands 
 conventional short form: Ashmore and Cartier Islands  | 
				
| Dependency status | territory of Australia; administered from Canberra by the Australian Department of the Environment, Sport, and Territories | territory of Australia; administered by the Australian Attorney-General's Department | 
| Disputes - international | none | Indonesian groups challenge Australia's claim to these islands; Australia closed parts of the Ashmore and Cartier Reserve to Indonesian traditional fishing and placed restrictions on certain catches | 
| Elevation extremes | lowest point: 
 Indian Ocean 0 m highest point: unnamed location 3 m  | 
				lowest point: Indian Ocean 0 m 
 highest point: unnamed location 3 m  | 
				
| Irrigated land | 0 sq km (1993) | 0 sq km | 
| Land use | arable land: 
 0% permanent crops: 0% permanent pastures: 0% forests and woodland: 0% other: 100% (all grass and sand)  | 
				arable land: 0% 
 permanent crops: 0% other: 100% (all grass and sand) (2005)  | 
				
| Legal system | the laws of the Northern Territory of Australia, where applicable, apply | the laws of the Commonwealth of Australia and the laws of the Northern Territory of Australia, where applicable, apply | 
| Location | Southeastern Asia, islands in the Indian Ocean, northwest of Australia | Southeastern Asia, islands in the Indian Ocean, midway between northwestern Australia and Timor island | 
| Maritime claims | contiguous zone: 
 12 NM continental shelf: 200-m depth or to the depth of exploitation exclusive fishing zone: 200 NM territorial sea: 3 NM  | 
				territorial sea: 12 nm 
 contiguous zone: 12 nm exclusive fishing zone: 200 nm continental shelf: 200-m depth or to the depth of exploitation  | 
				
| People - note | - | the landing of illegal immigrants from Indonesia's Rote Island has become an ongoing problem | 
| Population | no indigenous inhabitants
 note: there are only seasonal caretakers (July 2001 est.)  | 
				no indigenous inhabitants 
 note: Indonesian fishermen are allowed access to the lagoon and fresh water at Ashmore Reef's West Island  | 
				
| Ports and harbors | none; offshore anchorage only | - | 
| Waterways | none | - |