Countries that Don't Drain Out to Sea

Can you name the 10 largest countries that are more than 2/3 endorheic basin, areas that don't drain out to the sea?
Areas are in square kilometers
Quiz by interopia
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Last updated: February 11, 2019
First submittedOctober 31, 2017
Times taken108
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Total Area
% Basin
Basin Area
Country
2,382,000
90
2,143,800
Algeria
2,725,000
70
1,907,500
Kazakhstan
2,150,000
70
1,505,000
Saudi Arabia
1,648,000
80
1,318,400
Iran
1,284,000
95
1,219,800
Chad
1,566,000
70
1,096,200
Mongolia
652,864
85
554,934
Afghanistan
600,370
80
480,296
Botswana
491,210
100
491,210
Turkmenistan
448,978
100
448,978
Uzbekistan
+1
Level 72
Nov 1, 2017
interesting! where did you find the data? i am bit surprised that Russia is missing considergint the Caspian sea
+1
Level 80
Nov 1, 2017
China and Russia have large areas in endorheic basins, but they are small percentages of their total areas. https://en.wikipedia.org/wiki/Endorheic_basin#/media/File:Ocean_drainage.png
+1
Level 72
Nov 2, 2017
Interesting map! Despite percentage being low, looking at the map I would still guess that Russi has more than 450,000 km of basin area
+2
Level 69
Nov 2, 2017
A nice companion to this quiz. https://www.jetpunk.com/user-quizzes/170770/longest-landlocked-rivers