Flag ratio 1:2
The blue field represents the sea that surrounds the island while the green field represents the lush vegetation of the island itself. The southern cross appears in the blue field, representing Christmas Island's connection with Australia as well as its location in the southern hemisphere. The bird is a Golden Bosun, native to the island. The yellow disc represents the island's history in phosphate mining. Finally, there is a map of the island in the centre of the disc.
It was chosen from a competition for a flag for the territory.
