The map above shows Puerto Rico and Northern Ireland side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Puerto Rico vs Northern Ireland Geography
Land area
- Puerto Rico has a land area of 3,424 square miles (8,868 km²), while Northern Ireland has 5,236 square miles (13,562 km²).
- Northern Ireland's land area is 1.5 times (53%) larger than Puerto Rico's.
Total area
- Puerto Rico: 3,515 square miles (9,104 km²) vs Northern Ireland: 5,456 square miles (14,130 km²), including inland and coastal water.
- Northern Ireland's total area is 1.6 times (55%) larger than Puerto Rico's.
Length
- Puerto Rico is 67 miles (107 km) long from north to south; Northern Ireland is 83 miles (134 km).
- Northern Ireland's north-south length is 1.2 times (24%) longer than Puerto Rico's.
Width
- Puerto Rico spans 174 miles (279 km) east to west; Northern Ireland spans 107 miles (173 km).
- Puerto Rico's east-west width is 1.6 times (63%) wider than Northern Ireland's.
Highest point
- Puerto Rico's highest point is Cerro de Punta at 4,390 feet (1,338 m); Northern Ireland's is Slieve Donard at 2,789 feet (850 m).
- Cerro de Punta is 1,601 feet higher than Slieve Donard.
Lowest point
- Puerto Rico's lowest point is Atlantic Ocean at 0 feet; Northern Ireland's is Irish Sea at 0 feet.
- Both lowest points are at or near sea level.
Puerto Rico vs Northern Ireland Population and History
Population
- Puerto Rico has a population of 3,285,874 (2020), while Northern Ireland has 1,905,000 (2022).
- Puerto Rico's population is 1.7 times (72%) larger than Northern Ireland's.
Population density
- Puerto Rico: 959.7 people per square mile vs Northern Ireland: 363.8.
- Puerto Rico's population density is 2.6 times (164%) higher than Northern Ireland's.
Biggest city
- Puerto Rico's biggest city is San Juan with 342,259 people; Northern Ireland's is Belfast with 348,005.
- San Juan and Belfast have about the same population.
History
- Puerto Rico: A US territory since 1898; a commonwealth since 1952.
- Northern Ireland: A country within the United Kingdom; created by the partition of Ireland on May 3, 1921.
- In its current form, Puerto Rico is the older of the two by 23 years.
Puerto Rico vs Northern Ireland Economy
GDP
- Puerto Rico's GDP is $129.0 billion (2025) vs Northern Ireland's $58.8 billion.
- Puerto Rico's economic output is 2.2 times (119%) larger than Northern Ireland's.
GDP per capita
- Puerto Rico: $40,650 per person vs Northern Ireland: $30,686.
- Puerto Rico's GDP per capita is 1.3 times (32%) higher than Northern Ireland's.
Official Websites
Puerto Rico official website · Northern Ireland official website
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More Size Comparisons
All Puerto Rico 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.