how many tectonic plates are there?

There are around 15 major tectonic plates and several minor plates that make up the Earth's lithosphere.

There are generally considered to be around 7 major tectonic plates and several smaller ones. The seven major plates are the African Plate, Antarctic Plate, Eurasian Plate, Indo-Australian Plate, North American Plate, Pacific Plate, and South American Plate. These plates are constantly moving and interacting with each other, resulting in various geological activities such as earthquakes, volcanic eruptions, and the formation of mountain ranges.