Relief For Upper Back Pain During Pregnancy: Since 2003, the Healthy Back Institute has helped millions from around the world get lasting relief from back pain, neck pain and sciatica. Press play belo Pregnancy and back pain is a common challenge for moms-to-be.
Largest Countries in the World (by land area) The largest country in the world is Russia with a land area of 16,299,981 KmÂ² (6,293,455 miÂ²), equivalent to 10.9 % of the total world's landmass of 148,940,000 KmÂ² (57,510,000 square miles). Below is the list of the largest 20 countries and, following, the full list of all countries and dependencies ranked by land area.
Boundaries of China superimposed upon those of the USA. Let's do the math again, but this time for the entire planet. The total land surface area of Earth is about 57,308,738 square miles, of which about 33% is desert and about 24% is mountainous. Subtracting this uninhabitable 57% (32,665,981 mi2) from the total land area leaves 24,642,757 square miles or 15.77 billion acres of habitable land.