1. Even though America is 6546254 square kilometers larger than India, India has 943 million more people. If you go to the west in America, it is very lightly populated and there is only dense population in urban or suburban areas, when India is just densely populated almost everywhere.
2. Vatican City, the smallest country, is smaller than a square kilometer. This is smaller most cities and even towns in America and it has a population of 1000.
3. America has 6,586,610 kilometers of road. I did the math and this would wrap around the Earth 164 times.
4. 98.1% of people in japan speak Japanese. This is because of Japan's loyal culture and strict immigration laws. It is also a secluded island so there can't be much illegal travel from other countries unlike countries with bordering countries.
5. .07 more males are born on Earth. This number decreases and the population gets older though because women live longer than men.