Land Area: 3,278,000 sq mi (8,490,000 sq km)
Highest Point: Mount Wilhelm, Papua New Guinea -> 14,793 ft
Lowest Point: Lake Eyre -> -49 ft (-15 m)
Longest River: Murray-Darling River -> 2,282 mi (3,672 km)
Largest Lake: Lake Eyre ->3,741 sq mi (9,690 sq km)
Population: 39,000,000
Largest Metropolitan Area: Sydney, Australia -> Population 4,505,000
Largest Country: Australia -> 2,988,901 sq mi (7,741,220 sq km)
Most Densely Populated Country: Nauru -> 1,320 people per sq mi (503 per sq km)