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Countries with the Most Sunlight Per Square Meter

Which countries have the greatest potential to generate solar power from the sunlight that falls on their land?
In kilowatt hours per square meter per day
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Last updated: July 31, 2025
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First submittedJuly 31, 2025
Times taken16,984
Average score60.0%
Rating4.35
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Power
Country
6.41
Yemen
6.27
Namibia
6.23
Sudan
6.17
Niger
6.16
Oman
6.10
Egypt
6.07
Saudi Arabia
Power
Country
6.06
Chad
6.03
Botswana
6.00
Kiribati
6.00
United Arab
Emirates
5.97
Mauritania
5.97
Djibouti
5.93
Mali
Power
Country
5.91
Libya
5.90
Jordan
5.89
Eritrea
5.89
Qatar
5.88
Nauru
5.84
El Salvador
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18 Comments
+5
Level 72
Jul 31, 2025
Here before Featured
+3
Level 64
Jul 31, 2025
Whole day I've been discussing this solar energy and see at the end of the day what I got.. 🤣🤣🤣
+3
Level 55
Jul 31, 2025
El salvador? Can someone tell me how?
+7
Level 83
Oct 2, 2025
I think it's fairly self-explanatory; all Central American countries get a ton of sunlight. However, El Salvador is the smallest country and the only one with a high enough sunlight per square* meter to make it into this list:)
+12
Level 77
Oct 8, 2025
Size of the country has nothing to do with it. So not that self explanatory then.
+2
Level 79
Aug 1, 2025
El Salvador was a real oddball
+1
Level 63
Oct 8, 2025
What about total?
+2
Level 81
Oct 8, 2025
see: Countries with Largest Surface Area
+3
Level 63
Oct 8, 2025
thats not the same
+5
Level 65
Oct 8, 2025
qatar but no bahrain.!!! Sudan and Chad but no South Sudan!! Eritrea and Djibouti but no Ethiopia!!
+1
Level 51
Oct 14, 2025
tough quiz
+1
Level 67
Feb 21, 2026
What are you talking about? South Sudan and Ethiopia don’t have as arid climates. Look at a map and see where the Sahara Desert is
+6
Level 34
Oct 8, 2025
The british empire should be on this list because the sun never sets there
+3
Level 67
Oct 8, 2025
outstanding theory however it's per square meter ergo its infinity over infinity
+3
Level 74
Oct 8, 2025
The reason I like quizzes with a source is exactly because it's hard to see an obvious pattern here; but the methodology is explained in the source (it's not just incident sunlight).
+2
Level 47
Oct 8, 2025
don't ask me how I got nauru and not egypt.
+1
Level 57
Oct 12, 2025
tell me who got el salvador
+1
Level 55
Jan 19, 2026
How does El Salvador make the list but not Algeria??