Country size comparison
Japan is about 1.6 times bigger than United Kingdom.
United Kingdom is approximately 243,610 sq km, while Japan is approximately 377,915 sq km, making Japan 55% larger than United Kingdom. Meanwhile, the population of United Kingdom is ~67.8 million people (56.4 million more people live in Japan).
This to-scale comparison of United Kingdom vs. Japan uses the Mercator projection, which distorts the size of regions near the poles. Learn more. Note: Try dragging the outline to reposition.