The map above shows Northern Ireland and Spain side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Northern Ireland vs Spain Geography
Land area: Northern Ireland has a land area of 5,236 square miles (13,562 km²), while Spain has 192,657 square miles (498,980 km²). Spain's land area is 36.8 times larger than Northern Ireland's.
Total area: Northern Ireland: 5,456 square miles (14,130 km²) vs Spain: 195,364 square miles (505,990 km²), including inland and coastal water. Spain's total area is 35.8 times larger than Northern Ireland's.
Length: Northern Ireland is 83 miles (134 km) long from north to south; Spain is 546 miles (879 km). Spain's north-south length is 6.6 times (558%) longer than Northern Ireland's.
Width: Northern Ireland spans 107 miles (173 km) east to west; Spain spans 697 miles (1,122 km). Spain's east-west width is 6.5 times (551%) wider than Northern Ireland's.
Highest point: Northern Ireland's highest point is Slieve Donard at 2,789 feet (850 m); Spain's is Teide (Tenerife) at 12,188 feet (3,715 m). Teide (Tenerife) is 9,399 feet higher than Slieve Donard.
Lowest point: Northern Ireland's lowest point is Irish Sea at 0 feet; Spain's is Atlantic Ocean at 0 feet. Both lowest points are at or near sea level.
Northern Ireland vs Spain Population and History
Population: Northern Ireland has a population of 1,905,000 (2022), while Spain has 49,801,559 (2026). Spain's population is 26.1 times larger than Northern Ireland's.
Population density: Northern Ireland: 363.8 people per square mile vs Spain: 258.5. Northern Ireland's population density is 1.4 times (41%) higher than Spain's.
Biggest city: Northern Ireland's biggest city is Belfast with 348,005 people; Spain's is Madrid with 3,266,126. Madrid's population is 9.4 times (839%) larger than Belfast's.
History: Northern Ireland: A country within the United Kingdom; created by the partition of Ireland on May 3, 1921. Spain: A unified kingdom since 1479; the current constitution dates from 1978. In its current form, Spain is the older of the two by 442 years.
Northern Ireland vs Spain Economy
GDP: Northern Ireland's GDP is $58.8 billion (2022) vs Spain's $1,906.5 billion. Spain's economic output is 32.4 times larger than Northern Ireland's.
GDP per capita: Northern Ireland: $30,686 per person vs Spain: $38,627. Spain's GDP per capita is 1.3 times (26%) higher than Northern Ireland's.
Official Websites
Northern Ireland official website · Spain official website
More Size Comparisons
All Northern Ireland size comparisons · All Spain 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.