It has been called the largest annual human migration in the world.

Major human migration before the 18th century was largely state directed.

Then we'll turn our gaze to space, the future target for human migration.

There have been several models of early human migration to the Philippines.

Certain laws of social science have been proposed to describe human migration.

Human migration to factories is common among workers in order to be close to the factory.

Human migration is movement by humans from one place to another, sometimes over long distances or in large groups.

She is now working on a second series on human migration.

Still other studies point out that cultural transmission can occur without actual human migration.

Human migration, the movement of human beings from one area to another.