The map above shows New Zealand and United Kingdom side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
New Zealand vs United Kingdom Geography
Land area: New Zealand has a land area of 102,138 square miles (264,537 km²), while United Kingdom has 93,410 square miles (241,930 km²). New Zealand's land area is 1.1 times (9%) larger than United Kingdom's.
Total area: New Zealand: 103,799 square miles (268,838 km²) vs United Kingdom: 94,058 square miles (243,610 km²), including inland and coastal water. New Zealand's total area is 1.1 times (10%) larger than United Kingdom's.
Length: New Zealand is 1,185 miles (1,908 km) long from north to south; United Kingdom is 747 miles (1,202 km). New Zealand's north-south length is 1.6 times (59%) longer than United Kingdom's.
Width: New Zealand spans 969 miles (1,559 km) east to west; United Kingdom spans 429 miles (690 km). New Zealand's east-west width is 2.3 times (126%) wider than United Kingdom's.
Highest point: New Zealand's highest point is Aoraki / Mount Cook at 12,218 feet (3,724 m); United Kingdom's is Ben Nevis at 4,413 feet (1,345 m). Aoraki / Mount Cook is 7,805 feet higher than Ben Nevis.
Lowest point: New Zealand's lowest point is Taieri Plains at -7 feet; United Kingdom's is The Fens (Holme Fen) at -10 feet. United Kingdom's lowest point is 3 feet lower.
New Zealand vs United Kingdom Population and History
Population: New Zealand has a population of 5,357,300 (2026), while United Kingdom has 69,487,000 (2025). United Kingdom's population is 13.0 times larger than New Zealand's.
Population density: New Zealand: 52.5 people per square mile vs United Kingdom: 743.9. United Kingdom's population density is 14.2 times higher than New Zealand's.
Largest metro area: New Zealand's largest metropolitan area is Auckland Region (1,715,600 people) vs United Kingdom's London (10,416,420). London's population is 6.1 times (507%) larger than Auckland Region's.
History: New Zealand: A dominion from September 26, 1907; fully independent by statute in 1947. United Kingdom: Formed as the United Kingdom of Great Britain and Ireland on January 1, 1801; took its current form in 1922. In its current form, United Kingdom is the older of the two by 106 years.
New Zealand vs United Kingdom Economy
GDP: New Zealand's GDP is $264.1 billion (2025) vs United Kingdom's $4,002.6 billion. United Kingdom's economic output is 15.2 times larger than New Zealand's.
GDP per capita: New Zealand: $49,591 per person vs United Kingdom: $57,602. United Kingdom's GDP per capita is 1.2 times (16%) higher than New Zealand's.
Average income: New Zealand: $46,630 vs United Kingdom: $54,550 average income per person (per capita personal income). United Kingdom's average income is 1.2 times (17%) higher than New Zealand's.
Official Websites
New Zealand official website · United Kingdom official website
More Size Comparisons
All New Zealand size comparisons · All United Kingdom 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.