Oceans and seas by size
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Quick answer: largest first, the order is Pacific Ocean → Atlantic Ocean → Indian Ocean → Southern Ocean → Arctic Ocean → Mediterranean Sea → Caspian Sea → Lake Superior.
About this list
Surface areas are approximate. The Pacific is larger than all of Earth's land combined; the Caspian Sea is the largest inland body of water.
| # | Item | million km² |
|---|---|---|
| 1 | Pacific Ocean | 165 |
| 2 | Atlantic Ocean | 106 |
| 3 | Indian Ocean | 70.6 |
| 4 | Southern Ocean | 21.9 |
| 5 | Arctic Ocean | 14.1 |
| 6 | Mediterranean Sea | 2.5 |
| 7 | Caspian Sea | 0.37 |
| 8 | Lake Superior | 0.082 |
Source: Commonly cited surface areas (approximate).
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Frequently asked questions
What is the order of oceans and seas by size?
Largest first: Pacific Ocean, Atlantic Ocean, Indian Ocean, Southern Ocean, Arctic Ocean, Mediterranean Sea, Caspian Sea, Lake Superior.
Which comes first and which comes last?
Pacific Ocean comes first (165 million km²) and Lake Superior comes last (0.082 million km²) among the items in this quiz.
Where is this data from?
Commonly cited surface areas (approximate).
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