The map above shows Arizona and Northern Ireland side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Arizona vs Northern Ireland Geography
Land area: Arizona has a land area of 113,655 square miles (294,366 km²), while Northern Ireland has 5,236 square miles (13,562 km²). Arizona's land area is 21.7 times larger than Northern Ireland's.
Total area: Arizona: 113,985 square miles (295,220 km²) vs Northern Ireland: 5,456 square miles (14,130 km²), including inland and coastal water. Arizona's total area is 20.9 times larger than Northern Ireland's.
Length: Arizona is 429 miles (690 km) long from north to south; Northern Ireland is 83 miles (134 km). Arizona's north-south length is 5.2 times (417%) longer than Northern Ireland's.
Width: Arizona spans 452 miles (727 km) east to west; Northern Ireland spans 107 miles (173 km). Arizona's east-west width is 4.2 times (322%) wider than Northern Ireland's.
Highest point: Arizona's highest point is Humphreys Peak at 12,620 feet (3,847 m); Northern Ireland's is Slieve Donard at 2,789 feet (850 m). Humphreys Peak is 9,831 feet higher than Slieve Donard.
Lowest point: Arizona's lowest point is Colorado River at 71 feet; Northern Ireland's is Irish Sea at 0 feet. Northern Ireland's lowest point is 71 feet lower.
Arizona vs Northern Ireland Population and History
Population: Arizona has a population of 7,582,384 (2024), while Northern Ireland has 1,905,000 (2022). Arizona's population is 4.0 times (298%) larger than Northern Ireland's.
Population density: Arizona: 66.7 people per square mile vs Northern Ireland: 363.8. Northern Ireland's population density is 5.5 times (445%) higher than Arizona's.
Biggest city: Arizona's biggest city is Phoenix with 1,673,164 people; Northern Ireland's is Belfast with 348,005. Phoenix's population is 4.8 times (381%) larger than Belfast's.
History: Arizona: Admitted to the Union on February 14, 1912, as the 48th state. Northern Ireland: A country within the United Kingdom; created by the partition of Ireland on May 3, 1921. In its current form, Arizona is the older of the two by 9 years.
Arizona vs Northern Ireland Economy
GDP: Arizona's GDP is $570.1 billion (2024) vs Northern Ireland's $58.8 billion. Arizona's economic output is 9.7 times (870%) larger than Northern Ireland's.
GDP per capita: Arizona: $75,186 per person vs Northern Ireland: $30,686. Arizona's GDP per capita is 2.5 times (145%) higher than Northern Ireland's.
Official Websites
Arizona official website · Northern Ireland official website
More Size Comparisons
All Arizona 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.