While there is no practical limit on what types of people can form a friendship, friends tend to share common backgrounds, occupations, or interests and have similar demographics.
Approximately 800,000,000 humans live in the Southern Hemisphere, representing only 10â12% of the total global human population of 7.3 billion. This is due to the fact that there is significantly less land in the Southern Hemisphere than in the Northern Hemisphere.
Map of The Worlds Hemispheres. print this map. The planet's four hemispheres are shown on the map above, and each is shaded a dark gray. The Equator, that red imaginary horizontal line at 0Âº degrees latitude at the center of the earth, divides the earth into the Northern and Southern Hemispheres.