Earth's Four Hemispheres

Of the four hemispheres on Earth, which one has the most people?

And the answer: Northern.      

The Northern Hemisphere holds the majority of the land mass on Earth, and where there is land, there are people. Approximately 87% of the world's population lives north of the Equator, while 82% live in the Eastern Hemisphere.

Photo credit: public domain. 

At 0 degrees latitude, the Equator marks the line which divides north from south, and consequentially divides the Northern and Southern Hemispheres. The Northern Hemisphere contains North America, the northern part of South America, Europe, the northern two-thirds of Africa, and most of Asia. The Southern Hemisphere contains most of South America, one-third of Africa, Australia, Antarctica, and many Asian islands.

Beyond simply dividing land, though, different hemispheres have different weather and seasonal timelines. Because of the Earth's tilt, the summer months are from December to March in the Southern Hemisphere, which are typically winter months in the Northern Hemisphere.

Additionally, the Earth can be divided along lines of longitude or median, which creates Eastern and Western Hemispheres. The idea of Eastern and Western Hemispheres has become politically and historically significant since European nations began colonizing North America and South America. In this context, the Eastern Hemisphere is sometimes called the "Old World," and the Western Hemisphere is called the "New World."

Learn more about hemispheres here.



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