The map above shows New Zealand and Northern Ireland side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
New Zealand vs Northern Ireland Geography
Land area: New Zealand has a land area of 102,138 square miles (264,537 km²), while Northern Ireland has 5,236 square miles (13,562 km²). New Zealand's land area is 19.5 times larger than Northern Ireland's.
Total area: New Zealand: 103,799 square miles (268,838 km²) vs Northern Ireland: 5,456 square miles (14,130 km²), including inland and coastal water. New Zealand's total area is 19.0 times larger than Northern Ireland's.
Length: New Zealand is 1,185 miles (1,908 km) long from north to south; Northern Ireland is 83 miles (134 km). New Zealand's north-south length is 14.3 times longer than Northern Ireland's.
Width: New Zealand spans 969 miles (1,559 km) east to west; Northern Ireland spans 107 miles (173 km). New Zealand's east-west width is 9.1 times (806%) wider than Northern Ireland's.
Highest point: New Zealand's highest point is Aoraki / Mount Cook at 12,218 feet (3,724 m); Northern Ireland's is Slieve Donard at 2,789 feet (850 m). Aoraki / Mount Cook is 9,429 feet higher than Slieve Donard.
Lowest point: New Zealand's lowest point is Taieri Plains at -7 feet; Northern Ireland's is Irish Sea at 0 feet. New Zealand's lowest point is 7 feet lower.
New Zealand vs Northern Ireland Population and History
Population: New Zealand has a population of 5,357,300 (2026), while Northern Ireland has 1,905,000 (2022). New Zealand's population is 2.8 times (181%) larger than Northern Ireland's.
Population density: New Zealand: 52.5 people per square mile vs Northern Ireland: 363.8. Northern Ireland's population density is 6.9 times (593%) higher than New Zealand's.
History: New Zealand: A dominion from September 26, 1907; fully independent by statute in 1947. Northern Ireland: A country within the United Kingdom; created by the partition of Ireland on May 3, 1921. In its current form, New Zealand is the older of the two by 14 years.
New Zealand vs Northern Ireland Economy
GDP: New Zealand's GDP is $264.1 billion (2025) vs Northern Ireland's $58.8 billion. New Zealand's economic output is 4.5 times (349%) larger than Northern Ireland's.
GDP per capita: New Zealand: $49,591 per person vs Northern Ireland: $30,686. New Zealand's GDP per capita is 1.6 times (62%) higher than Northern Ireland's.
Official Websites
New Zealand official website · Northern Ireland official website
More Size Comparisons
All New Zealand size comparisons · All Northern Ireland 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.