Earth Facts
Earth land accounts for 148,000,000 sq km or 57,000,000 sq miles, which adds up to approximately 29% of the earth's surface. Water accounts for 361,000,000 sq km or 140,000,000 sq miles, which adds up to approximately 71% of the Earth's surface. The earths orbit is approximately 149,600,000 km from the sun. Diameter of the earth measured at the equator is approximately 12,756.3 km. The generally accepted age for the Earth and the rest of the solar system is about 4.55 billion years (plus or minus about 1%).

The top 10 largest countries in the world measured by land area are:
Russia, Canada, United States, China, Brazil, Australia, India, Argentina, Kazakhstan, and Sudan.

The top 10 largest countries in the world measured by population are:
China, India, United States, Indonesia, Brazil, Pakistan, Russia, Bangladesh, Nigeria, and Japan.

The top 10 largest cities in the world measured by population are:
Tokyo, Sao Paulo, Bombay, Shanghai, New York City, Mexico City, Beijing, Lagos, Jarkarta,
and Los Angeles.