According to the data there are about 7 billion people on earth. All of them have a total weight of approximately 363 billion kilograms. You certainly can imagine it not. A study conducted by physicist Rhett Allain states that nothing will happen if all humans make a jump together. That is because humans are spread evenly throughout the surface of the earth so there is not much that will happen even though all of them jump and stomp them to the earth. The stiff style will be opposite to each other, so the total style is zero.

But if humans gather in a place and make jumps at once with the law of conservation of momentum and energy, Allain finds that the leap will push the Earth backwards at a speed of 2.6 x 10 * -13 m / s (rank -13). That is, in one second, the Earth will move one hundredth of the radius of a single hydrogen atom. Certainly not much effect, right?