Which type of shark has the largest estimated population in the world?

One species that could fall in thus category is the Tiger Shark. These animals can grow to over 5 meters and weigh up to 800 kilograms. They can be found in almost all tropical waters north or south of the equator. They are very aggressive and are more likely to attack humans that great white sharks. They can be found in habitats ranging from reefs to the open ocean.