Explanation:

There are many countries on tropic of cancer. The Tropic of Cancer, also referred to as the Northern Tropic is 23°26′13.5″ (or 23.43708°) north of the Equator. It is the most northerly circle of latitude on the Earth at which the Sun can be directly overhead. This occurs on the Northern solstice, when the Northern Hemisphere is tilted toward the Sun to its maximum extent. These are the list of countries on tropic of cancer.

There are 16 countries, 3 continents and 6 water bodies lies on Tropic of Cancer passes.

North America

Mexico, Bahamas(Archipelago)

Africa

Niger, Algeria, Mauritania, Egypt, Libya, Mali, Western Sahara

Asia

Myanmar, Omen, Bangladesh, India, Saudi Arabia, China, United Arab Emirates, Taiwan

Water Bodies

Indian Ocean, Atlantic Ocean, Pacific Ocean, Taiwan Strait, Red Sea, Gulf of Mexico?

Countries that the Tropic of Capricorn passes through.
The Tropic of Capricorn (or the Southern Tropic) is the circle of latitude that contains the sub solar point on the December (or southern) solstice. It is thus the southernmost latitude where the Sun can be directly overhead. Its northern equivalent is the Tropic of Cancer.

There are 10 countries, 3 continents and 3 water bodies lies on Tropic of Capricorn passes.

South America

Argentina, Brazil, Chile Paraguay

Africa

Namibia, Botswana, Mozambique, Madagascar

Australia

Australia

Water Bodies

Indian Ocean, Atlantic Ocean, Pacific Ocean