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Our world is divided in Land and Water. In Science, our world is known as planet Earth. About 71% of the Earth’s surface is covered with water and the remaining 29% is land. Our world is so big that more than 7.4 billion people lives on the land of our world that is only 29% of the total surface area of the Earth.

The world’s water is divided in 5 oceans, several rivers, lakes and other water bodies. And, the land is divided in 7 continents. The continents are further divided in more than 200 countries, including thousands of islands, archipelagos and mountains. Among them, 193 countries are member of United Nations. Russia is the largest country in terms of area, and China is the largest country in terms of population.

Largest Countries (by Area)

  1. Russia
  2. Canada
  3. China

Largest Countries (by Population)

  1. China
  2. India
  3. United States

Most Populous Cities of the World

  1. Shanghai, China
  2. Karachi, Pakistan
  3. Beijing, China

Countries, their Currencies and Capitals


  • The Largest producer of Uranium is Kazakhstan
  • The Largest emitter of Carbondioxide in the atmosphere is China
    More Largest in the World