The map above shows Ireland and New South Wales side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Ireland vs New South Wales Geography
Land area: Ireland has a land area of 26,596 square miles (68,883 km²), while New South Wales has 309,130 square miles (800,642 km²). New South Wales' land area is 11.6 times larger than Ireland's.
Total area: Ireland: 27,133 square miles (70,273 km²) vs New South Wales: 309,130 square miles (800,642 km²), including inland and coastal water. New South Wales' total area is 11.4 times larger than Ireland's.
Length: Ireland is 287 miles (462 km) long from north to south; New South Wales is 678 miles (1,092 km). New South Wales' north-south length is 2.4 times (136%) longer than Ireland's.
Width: Ireland spans 191 miles (308 km) east to west; New South Wales spans 831 miles (1,338 km). New South Wales' east-west width is 4.4 times (335%) wider than Ireland's.
Highest point: Ireland's highest point is Carrauntoohil at 3,406 feet (1,038 m); New South Wales's is Mount Kosciuszko at 7,310 feet (2,228 m). Mount Kosciuszko is 3,904 feet higher than Carrauntoohil.
Lowest point: Ireland's lowest point is Atlantic Ocean at 0 feet; New South Wales's is Pacific Ocean at 0 feet. Both lowest points are at or near sea level.
Ireland vs New South Wales Population and History
Population: Ireland has a population of 5,525,600 (2026), while New South Wales has 8,624,534 (2025). New South Wales' population is 1.6 times (56%) larger than Ireland's.
Population density: Ireland: 207.8 people per square mile vs New South Wales: 27.9. Ireland's population density is 7.4 times (645%) higher than New South Wales'.
Largest metro area: Ireland's largest metropolitan area is Greater Dublin Area (2,082,605 people) vs New South Wales's Greater Sydney (5,638,830). Greater Sydney's population is 2.7 times (171%) larger than Greater Dublin Area's.
History: Ireland: Independent since December 6, 1922, as the Irish Free State; a republic since 1949. New South Wales: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1788. In its current form, New South Wales is the older of the two by 21 years.
Ireland vs New South Wales Economy
GDP: Ireland's GDP is $721.7 billion (2025) vs New South Wales's $547.1 billion. Ireland's economic output is 1.3 times (32%) larger than New South Wales'.
GDP per capita: Ireland: $131,593 per person vs New South Wales: $63,435. Ireland's GDP per capita is 2.1 times (107%) higher than New South Wales'.
Official Websites
Ireland official website · New South Wales official website
More Size Comparisons
All Ireland size comparisons · All New South Wales 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.