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By the Numbers: World Oceans Day

In honor of World Oceans Day on June 8, we take a look at some key numbers.

1

The number of ocean basins not ratified by the International Hydrographic Organization – the Southern (Antarctic). It has been recognized by the U.S. Board on Geographic Names.

4

The number of named ocean basins – the Atlantic, Pacific, Indian and Arctic.

97

The percentage of the world’s water that is salt water.

140

The number of countries that took part in World Oceans Day 2018, putting on 1,500 events.

1992

The year the government of Canada proposed the concept of a World Ocean Day at the Earth Summit in Rio de Janeiro. The United Nations General Assembly passed a resolution in 2008 recognizing June 8 as World Oceans Day.

35,827

The greatest ocean depth in feet – the Mariana Trench in the Pacific Ocean.

335,258,000

The total ocean area in square kilometers.

Sources: NOAA Ocean Service, worldatlas.com, worldoceansday.org