The map above shows New South Wales and New Zealand side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
New South Wales vs New Zealand Geography
Land area: New South Wales has a land area of 309,130 square miles (800,642 km²), while New Zealand has 102,138 square miles (264,537 km²). New South Wales' land area is 3.0 times (203%) larger than New Zealand's.
Total area: New South Wales: 309,130 square miles (800,642 km²) vs New Zealand: 103,799 square miles (268,838 km²), including inland and coastal water. New South Wales' total area is 3.0 times (198%) larger than New Zealand's.
Length: New South Wales is 678 miles (1,092 km) long from north to south; New Zealand is 1,185 miles (1,908 km). New Zealand's north-south length is 1.7 times (75%) longer than New South Wales'.
Width: New South Wales spans 831 miles (1,338 km) east to west; New Zealand spans 969 miles (1,559 km). New Zealand's east-west width is 1.2 times (17%) wider than New South Wales'.
Highest point: New South Wales's highest point is Mount Kosciuszko at 7,310 feet (2,228 m); New Zealand's is Aoraki / Mount Cook at 12,218 feet (3,724 m). Aoraki / Mount Cook is 4,908 feet higher than Mount Kosciuszko.
Lowest point: New South Wales's lowest point is Pacific Ocean at 0 feet; New Zealand's is Taieri Plains at -7 feet. New Zealand's lowest point is 7 feet lower.
New South Wales vs New Zealand Population and History
Population: New South Wales has a population of 8,624,534 (2025), while New Zealand has 5,357,300 (2026). New South Wales' population is 1.6 times (61%) larger than New Zealand's.
Population density: New South Wales: 27.9 people per square mile vs New Zealand: 52.5. New Zealand's population density is 1.9 times (88%) higher than New South Wales'.
Largest metro area: New South Wales's largest metropolitan area is Greater Sydney (5,638,830 people) vs New Zealand's Auckland Region (1,715,600). Greater Sydney's population is 3.3 times (229%) larger than Auckland Region's.
History: New South Wales: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1788. New Zealand: A dominion from September 26, 1907; fully independent by statute in 1947. In its current form, New South Wales is the older of the two by 6 years.
New South Wales vs New Zealand Economy
GDP: New South Wales's GDP is $547.1 billion (2025) vs New Zealand's $264.1 billion. New South Wales' economic output is 2.1 times (107%) larger than New Zealand's.
GDP per capita: New South Wales: $63,435 per person vs New Zealand: $49,591. New South Wales' GDP per capita is 1.3 times (28%) higher than New Zealand's.
Official Websites
New South Wales official website · New Zealand official website
More Size Comparisons
All New South Wales size comparisons · All New Zealand size comparisons
Area, elevation and boundary figures come from official national statistics and US Census Bureau and Natural Earth boundary data; US state population, economic, county and tax figures come from the US Census Bureau, the Bureau of Economic Analysis and the Tax Foundation. Figures are rounded and for general reference.