Ireland is approximately 70,273 sq km, while Belgium is approximately 30,528 sq km, making Belgium 43.44% the size of Ireland. Meanwhile, the population of Ireland is ~5.2 million people (6.5 million more people live in Belgium).
This to-scale map shows a size comparison of Ireland compared to Belgium. For more details, see an in-depth quality of life comparison of Belgium vs. Ireland using our country comparison tool.
