The map above shows Northern Ireland and Northern Territory side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Northern Ireland vs Northern Territory Geography
Land area: Northern Ireland has a land area of 5,236 square miles (13,562 km²), while Northern Territory has 520,902 square miles (1,349,129 km²). Northern Territory's land area is 99.5 times larger than Northern Ireland's.
Total area: Northern Ireland: 5,456 square miles (14,130 km²) vs Northern Territory: 520,902 square miles (1,349,129 km²), including inland and coastal water. Northern Territory's total area is 95.5 times larger than Northern Ireland's.
Length: Northern Ireland is 83 miles (134 km) long from north to south; Northern Territory is 1,092 miles (1,758 km). Northern Territory's north-south length is 13.2 times longer than Northern Ireland's.
Width: Northern Ireland spans 107 miles (173 km) east to west; Northern Territory spans 610 miles (981 km). Northern Territory's east-west width is 5.7 times (470%) wider than Northern Ireland's.
Highest point: Northern Ireland's highest point is Slieve Donard at 2,789 feet (850 m); Northern Territory's is Mount Zeil at 5,023 feet (1,531 m). Mount Zeil is 2,234 feet higher than Slieve Donard.
Lowest point: Northern Ireland's lowest point is Irish Sea at 0 feet; Northern Territory's is Timor Sea at 0 feet. Both lowest points are at or near sea level.
Northern Ireland vs Northern Territory Population and History
Population: Northern Ireland has a population of 1,905,000 (2022), while Northern Territory has 265,457 (2025). Northern Ireland's population is 7.2 times (618%) larger than Northern Territory's.
Population density: Northern Ireland: 363.8 people per square mile vs Northern Territory: 0.5. Northern Ireland's population density is 727.6 times higher than Northern Territory's.
History: Northern Ireland: A country within the United Kingdom; created by the partition of Ireland on May 3, 1921. Northern Territory: Became a federal territory on January 1, 1911; self-governing since 1978. In its current form, Northern Territory is the older of the two by 10 years.
Northern Ireland vs Northern Territory Economy
GDP: Northern Ireland's GDP is $58.8 billion (2022) vs Northern Territory's $22.4 billion. Northern Ireland's economic output is 2.6 times (163%) larger than Northern Territory's.
GDP per capita: Northern Ireland: $30,686 per person vs Northern Territory: $84,383. Northern Territory's GDP per capita is 2.7 times (175%) higher than Northern Ireland's.
Official Websites
Northern Ireland official website · Northern Territory official website
More Size Comparisons
All Northern Ireland size comparisons · All Northern Territory 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.