Side-by-side comparison of Ireland and United Kingdom across population, economy, quality of life, and more. Data updated 2026.
How do Ireland and United Kingdom compare? Ireland, located in Europe, has a population of 5.2M and covers an area of 70,273 km². Its GDP (PPP) stands at $620.5B with a GDP per capita of $115,300. United Kingdom, in Europe, has a population of 68.8M across 243,610 km², with a GDP of $3.6T and GDP per capita of $52,500. In terms of quality of life, Ireland has a life expectancy of 82.0 years compared to United Kingdom's 82.2 years.