Country size comparison
Japan is about 5 times bigger than Ireland.
Ireland is approximately 70,273 sq km, while Japan is approximately 377,915 sq km, making Japan 438% larger than Ireland. Meanwhile, the population of Ireland is ~5.3 million people (118.9 million more people live in Japan).
This to-scale comparison of Ireland vs. Japan uses the Mercator projection, which distorts the size of regions near the poles. Learn more. Note: Try dragging the outline to reposition.