The population of Japan is over 126 million people, making it the 10th most populous country in the world.
The Shinkansen, or bullet train, is a popular mode of transportation for tourists in Japan, and travels at speeds of up to 320 km/h (200 mph).
The bullet train (Shinkansen), which began operation in 1964, was the first high-speed train system in the world and is still one of the fastest.