Water, Water Everywhere
Do you know the percentage of the earth's surface covered by water?
About 70.8% of the Earth's surface is covered by water. Here's the breakdown on land and water versus total area.
- Total area: 510.072 million sq km (196.93 million sq mi.).
- Land area: 148.94 million sq km (57.50 sq mi.).
- Water area: 361.132 million sq km (139.43 sq mi.).
- Comparative area: land area about 15 times the size of the United States.
For further statistics, see our Profile of the World.
Here are the facts and trivia that people are buzzing about.