The fastest trains in the world (Japan, China, USA, India, Russia, France )

Several countries have built and developed high-speed rail infrastructure to connect major cities, including Belgium, China, Denmark, France, Germany, Italy, Japan, Morocco, the Netherlands, Poland, Russia, Saudi Arabia, South Korea, Spain, Sweden, Taiwan, Turkey, the United Kingdom, the United States and Uzbekistan. Only in Europe does high-speed rail cross international borders. China had built over 37,900 kilometres (23,500 mi) of high-speed rail as of December 2020, accounting for more than two-thirds of the world's total