Southern hemisphere
part of Earth that lies south of the equator
The Southern hemisphere is the half of Earth that is south of the equator.

Southern Hemisphere: Antarctica (center), South America (upper left), Africa (upper right), and Australia and Oceania (lower right)
It has about 10 percent of world's population and only a small part of the world's land. A very small part of Asia, one-third of Africa, 90 percent of South America, and all of Australia and Antarctica are in this hemisphere.