Oceans
The five oceans, in the order a map is usually read. “Southern” rather than “Antarctic” is the name the International Hydrographic Organization adopted in 2000, and the one school atlases use.
Pacific Ocean
The largest and deepest ocean, bigger than all the land on Earth put together.
- Area
- 162 million km²
- Of the world ocean
- 44.7%
- Deepest point
- 10,924 m
- Challenger Deep, Mariana Trench
Atlantic Ocean
The youngest ocean, still widening by a few centimetres a year along the Mid-Atlantic Ridge.
- Area
- 85 million km²
- Of the world ocean
- 23.5%
- Deepest point
- 8,378 m
- Brownson Deep, Puerto Rico Trench
Indian Ocean
The warmest ocean, bounded by Africa, Asia and Australia.
- Area
- 71 million km²
- Of the world ocean
- 19.5%
- Deepest point
- 7,187 m
- Java Trench
Southern Ocean
Circles Antarctica. Named by the International Hydrographic Organization in 2000.
- Area
- 22 million km²
- Of the world ocean
- 6.1%
- Deepest point
- 7,432 m
- South Sandwich Trench
Arctic Ocean
The smallest and shallowest ocean, much of it covered by sea ice.
- Area
- 16 million km²
- Of the world ocean
- 4.3%
- Deepest point
- 5,551 m
- Molloy Hole, Fram Strait
Areas and shares are NOAA's (Eakins and Sharman, Volumes of the World's Oceans from ETOPO1, 2010). Depths are from the Five Deeps Expedition's sonar survey (Bongiovanni and others, 2022).