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Countries with the Longest Coastlines

We compiled a list of the 20 countries with the longest coastlines. How many can you name?
Full list, based on original research by the Quizmaster
Includes overseas regions, dependencies, and autonomous areas
Quiz by Quizmaster
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First submittedAugust 16, 2010
Last updatedApril 19, 2019
Times taken176,871
Rating4.93
4:00
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Kilometers
Country
137,000
Canada
73,100
Russia
69,500
United States
52,500
Indonesia
48,800
Denmark
(includes Greenland)
34,100
Australia
31,300
Chile
Kilometers
Country
27,400
Norway
18,700
Brazil
17,300
Philippines
16,800
China
16,700
United Kingdom
15,600
Mexico
15,500
Japan
Kilometers
Country
12,200
France
11,200
Papua New Guinea
11,000
India
10,300
New Zealand
9,480
Greece
6,520
Sweden
+11
level ∞
Apr 18, 2019
Throughout the years, many people pointed out inaccuracies in our original source. I finally decided to calculate the coastline myself. It is now my belief that the CIA World Factbook data is deeply flawed, and that my new original source is the most accurate compilation of country coastlines available anywhere.
+2
level 77
Apr 18, 2019
great quiz. well done quizmaster. From the alternative source (wiki) it looks like Denmark would just about make the top 20 even without Greenland. Is the same true on your list?
+1
level 73
Apr 19, 2019
No, Denmark proper has 5,100 (see European coastlines quiz)
+2
level 75
Apr 23, 2019
Bravo! Thank you for your diligence on this. Agreed about that "Factbook." It should come with a decoder ring and box of cereal :P
+1
level 45
May 13, 2019
Thanks for the perseverance in creating this! Great quiz.
+4
level 76
Apr 19, 2019
Italy and Croatia both not included in the new source? and wasn't Turkey on here before, too?
+1
level 67
Apr 27, 2019
That's a remarkably low estimate for New Zealand. Where did that come from?
+2
level 28
May 13, 2019
Madagascar?
+1
level 28
May 13, 2019
apparently not when its bigger than the uk and has lots of islands
+1
level 28
May 13, 2019
good quiz. i got them all, but i didnt get denmark till the very end.
+4
level 34
May 13, 2019
The coastline paradox makes it virtually impossible to accurately measure a country's coastline.
+1
level 60
May 24, 2019
how is it impossible to measure a coastline?? you just follow the edges, the coastline...
+1
level 49
Jun 4, 2019
https://www.youtube.com/watch?v=kFjq8PX6F7I
+3
level 35
May 13, 2019
I only missed Papua New Guinea.
+1
level 42
May 26, 2019
Same here
+2
level 29
May 13, 2019
the uk, france, philippines, and greece make sence uk and france have a bunch of islands and a large part of greece is islands so is the philippines.
+2
level 54
May 13, 2019
PNG for the win
+1
level 41
May 15, 2019
why is australia's coastline so small. Greeland has a quarter of the area but a much bigger coastline; wtf?
+1
level 60
May 24, 2019
coastline isnt as the crow flies, but the actual coastline, so every inlet and tiny island is measured.
+4
level 60
May 24, 2019
How is greece the lowest guessed in a quiz about coastlines??
+1
level 42
May 26, 2019
Idk
+1
level 60
Jun 6, 2019
Thought some more of the islands nations would appear like Micronesia, Solomon Islands or Marshall Islands. Still got them all, but took some thinking.
+1
level 44
Jun 11, 2019
Got 5 points on my first go. Quite easy, if I say so myself :P
+1
level 43
Jul 14, 2019
Forgot France😀
+1
level 43
Jul 19, 2019
Woaw How can Sweden beat Argentina
+1
level 55
Jul 23, 2019
Argentina isn’t on the list?
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