The map above shows Northern Ireland and Tasmania side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Northern Ireland vs Tasmania Geography
Land area: Northern Ireland has a land area of 5,236 square miles (13,562 km²), while Tasmania has 26,410 square miles (68,401 km²). Tasmania's land area is 5.0 times (404%) larger than Northern Ireland's.
Total area: Northern Ireland: 5,456 square miles (14,130 km²) vs Tasmania: 26,410 square miles (68,401 km²), including inland and coastal water. Tasmania's total area is 4.8 times (384%) larger than Northern Ireland's.
Length: Northern Ireland is 83 miles (134 km) long from north to south; Tasmania is 318 miles (511 km). Tasmania's north-south length is 3.8 times (283%) longer than Northern Ireland's.
Width: Northern Ireland spans 107 miles (173 km) east to west; Tasmania spans 248 miles (399 km). Tasmania's east-west width is 2.3 times (132%) wider than Northern Ireland's.
Highest point: Northern Ireland's highest point is Slieve Donard at 2,789 feet (850 m); Tasmania's is Mount Ossa at 5,305 feet (1,617 m). Mount Ossa is 2,516 feet higher than Slieve Donard.
Lowest point: Northern Ireland's lowest point is Irish Sea at 0 feet; Tasmania's is Southern Ocean at 0 feet. Both lowest points are at or near sea level.
Northern Ireland vs Tasmania Population and History
Population: Northern Ireland has a population of 1,905,000 (2022), while Tasmania has 576,659 (2025). Northern Ireland's population is 3.3 times (230%) larger than Tasmania's.
Population density: Northern Ireland: 363.8 people per square mile vs Tasmania: 21.8. Northern Ireland's population density is 16.7 times higher than Tasmania's.
History: Northern Ireland: A country within the United Kingdom; created by the partition of Ireland on May 3, 1921. Tasmania: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1825. In its current form, Tasmania is the older of the two by 20 years.
Northern Ireland vs Tasmania Economy
GDP: Northern Ireland's GDP is $58.8 billion (2022) vs Tasmania's $28.3 billion. Northern Ireland's economic output is 2.1 times (108%) larger than Tasmania's.
GDP per capita: Northern Ireland: $30,686 per person vs Tasmania: $49,076. Tasmania's GDP per capita is 1.6 times (60%) higher than Northern Ireland's.
Official Websites
Northern Ireland official website · Tasmania official website
More Size Comparisons
All Northern Ireland size comparisons · All Tasmania 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.