Area of Australia - 7.7 million square kilometers (2.96 million square miles) Area of New Zealand - about 268,000 square kilometers (103,475 square miles)
Population of Australia - about 25.5 million Population of New Zealand - about 5 million
Capital of Australia - Canberra Capital of New Zealand - Wellington
Largest city in Australia - Sydney Largest city in New Zealand - Auckland
Highest mountain peak in mainland Australia - Mount Kosciuszko (2,228 meters/7,310 ft) Highest mountain peak in New Zealand - Aoraki / Mount Cook (3,724 meters/12,218 ft)
Number of islands in Australia - over 8,200 Number of islands in New Zealand - over 600
Number of t20 cricket world cups won New Zealand - 0 Australia - 1
Number of One Day International cricket world cups won New Zealand - 0 Australia - 5
Number of Rugby world cups won New Zealand - 3 Australia - 2