World Oceans Ranked by Size: Pacific, Atlantic, Indian, Southern, Arctic

RankOceanArea (million km²)% of Earth SurfaceAvg Depth (m)
1Pacific165.2532.1%4,280
2Atlantic106.420.6%3,646
3Indian73.4414.3%3,741
4Southern (Antarctic)20.334.0%3,270
5Arctic14.092.7%1,205

Notes

  • Southern Ocean recognized by IHO (2000) as waters south of 60°S.
  • Pacific > all others combined.
  • Arctic is shallowest, smallest, most seasonal ice cover.
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