The Tropic of Cancer passes through the Bahamas, Mexico, Mauritania, Mali, Western Sahara, Algeria, Niger, Libya, Egypt, Saudi Arabia, India, China, Abu Dhabi, Oman, Bangladesh, Burma and Taiwan. It also passes through the United States in the Hawaiian region but it does not pass through any of the islands.
The Tropic of Cancer is an imaginary line in the northern hemisphere where the sun is directly overhead during the summer solstice on June 21st. In the southern hemisphere, this occurs on December 21st and the line is referred to as the Tropic of Capricorn. Each line is located at 23.5 degrees latitude, north or south respectively.
In addition to these countries, the Tropic of Cancer passes through several bodies of water. It passes through the Indian, Atlantic and Pacific Oceans as well as the Taiwan Strait, the Red Sea and the Gulf of Mexico.