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Non-Island Countries with the Highest Percent of Coastline as a Border

Name the countries that aren't islands, but have over 70% of their outline touching water.
Not counting rivers, but counting islands part of the country
Based on research and data found online
Yellow box is controversial due to overseas territory
An island country is defined as a country with no borders smaller than a continent.
Quiz by
CommanderPro
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Last updated: March 28, 2026
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First submittedMarch 19, 2026
Times taken30
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You scored / = %
This beats or equals % of test takers also scored 100%
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% ~
Country
100
Australia
99.1
Denmark
95.8
Canada
94.8
Norway
91.9
Greece
91.1
South Korea
82.9
Croatia
77.2
Chile
76.8
Italy
72.9
Vietnam
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5 Comments
+2
Level 61
Mar 19, 2026
Australia is not an island and should be on here.
+2
Level 67
Mar 19, 2026
You're Right Ok
+2
Level 78
Mar 19, 2026
But perhaps with a caveat about why its percentage is 100 despite not being an island?
+2
Level 68
Mar 19, 2026
I never knew what gold meant since there was nothing in the caveats :pensive:
+2
Level 62
Mar 28, 2026
Interesting one. That linked web page doesn't show the data for this quiz, just the top countries overall by total coastline. South Korea should be on your list, for one.