Introduction to the World Map. For a long time, human beings have organized themselves into societies in order to live and grow. As a result, the idea of the tribe (or clan) has tended to fade—especially in Western countries. It’s important to know that the nation has become the main way worldwide to define and measure how people are grouped together.

Additional Information about the World Map

  • Age: 4.55 billion years
  • Distance from the Sun: 150 million km
  • Position in the Solar System: Third planet
  • Mass: 5.972 × 10²⁴ kg
  • Average density: 5.52 g/cm³
  • Average diameter: 12,742 km
  • Equatorial circumference: 40,075 km
  • Surface area: 510 million km²
  • Land area: ~148 million km²
  • Ocean area: ~362 million km² (about 71% of Earth’s surface)

Smallest Countries

  • Vatican City: 44 ha (0.44 km²) – license plate code: SCV
  • Monaco: 2.02 km² (much of it reclaimed from the sea)
  • Nauru (Oceania): 21 km²

Largest Countries

  • Russia: 17,098,242 km² (30 times the size of France)
  • Canada, China, United States: each close to 10 million km²

Least Populated Countries (2025 estimates)

  • Tuvalu (Oceania): ~11,900 inhabitants
  • Nauru (Oceania): ~12,700 inhabitants

Most Populated Countries (2025 estimates)

  • India: ~1.43 billion inhabitants
  • China: ~1.41 billion inhabitants
  • United States: ~341 million inhabitants

Lowest Population Densities

  • Mongolia: ~2.1 inhabitants/km²
  • Namibia: ~3 inhabitants/km²
  • Australia: ~3.5 inhabitants/km²

Highest Population Densities

  • Monaco: ~26,500 inhabitants/km²
  • Singapore: ~8,400 inhabitants/km²
  • Bangladesh: ~1,300 inhabitants/km²

Lowest GDP per Capita (nominal, 2025 est.)

  • Burundi: ~$265 per capita
  • South Sudan: ~$380 per capita

Highest GDP per Capita (nominal, 2025 est.)

  • Luxembourg: ~$132,000 per capita
  • Ireland: ~$124,000 per capita
  • Qatar: ~$88,000 per capita

Longest Rivers in the World

  • Amazon: ~7,062 km, basin of 7 million km², more than 1,100 tributaries, flows into the Atlantic Ocean
  • Nile: ~6,650 km

Highest Mountains

  • Mount Everest (Nepal/China): 8,849 m
  • K2 (Pakistan/China): 8,611 m

Largest Islands

  • Australia: 7,692,000 km²
  • Greenland (Denmark): 2,166,000 km²

Largest Natural Lakes

  • Caspian Sea: 371,000 km², tectonic lake, 1,025 m depth
  • Lake Superior (Canada/USA): 82,100 km², 406 m depth

Largest Artificial Lake

  • Lake Volta (Ghana): 8,482 km²

Deepest Lake

  • Lake Baikal (Southern Siberia): 1,642 m depth

Largest Metropolitan Area (2025 est.)

  • Tokyo Metropolitan Area: ~37.5 million inhabitants

Life Expectancy

  • Highest: Japan (~85 years), Switzerland (~84 years), Singapore (~84 years)
  • Lowest: Central African Republic (~54 years), Nigeria (~55 years), Chad (~55 years)