Optical illusions knowledge map

The current map is based on 322070 answers.

Number of active questions per language

language
number of questions
Russian language (оптические иллюзии)  
5
Polish language (złudzenia optyczne, iluzje optyczne)  
8
Polish language (złudzenia optyczne, iluzje optyczne)  
13
English language (optical illusions)  
11
Ukrainian language (оптичні ілюзії)  
5

Results

Country
Results
answers
flagBurkina Faso
100%
100%
19
flagMadagascar
100%
100%
9
flagAlgeria
100%
100%
8
flagArmenia
100%
100%
5
flagSomalia
100%
100%
4
flagBahamas
100%
100%
3
flagRepublic of the Congo
100%
100%
2
flagBhutan
100%
100%
1
flagSudan
100%
100%
1
flagFiji
100%
100%
1
flagCosta Rica
100%
100%
1
flagVenezuela
100%
100%
1
flagSeychelles
93%
93%
30
flagHungary
91%
91%
56
flagMontenegro
91%
91%
24
flagVietnam
89%
89%
110
flagJapan
89%
89%
46
flagFinland
88%
88%
410
flagMalta
86%
86%
29
flagAfghanistan
85%
85%
148
flagUruguay
83%
83%
79
flagBrazil
83%
83%
36
flagZimbabwe
83%
83%
12
flagGuatemala
83%
83%
6
flagPanama
82%
82%
52
flagEcuador
81%
81%
11
flagArgentina
80%
80%
25
flagNamibia
80%
80%
21
flagGeorgia
80%
80%
21
flagColombia
80%
80%
5
flagKazakhstan
79%
79%
48
flagOman
79%
79%
39
flagSpain
77%
77%
492
flagBulgaria
77%
77%
139
flagIsrael
77%
77%
105
flagEgypt
77%
77%
81
flagLebanon
77%
77%
40
flagItaly
76%
76%
811
flagRomania
76%
76%
103
flagthe United Arab Emirates
75%
75%
384
flagPortugal
75%
75%
73
flagEstonia
75%
75%
28
flagSlovenia
75%
75%
16
flagMoldova
75%
75%
4
flagAustria
74%
74%
274
flagCroatia
74%
74%
227
flagNew Zealand
74%
74%
81
flagCzech Republic
73%
73%
343
flagKuwait
72%
72%
65
flagKenya
72%
72%
22
flagChile
72%
72%
11
flagGermany
71%
71%
3831
flagNorway
71%
71%
671
flagJamaica
71%
71%
14
flagthe United States
70%
70%
10230
flagPakistan
70%
70%
189
flagPoland
69%
69%
283661
flagthe United Kingdom
69%
69%
7444
flagFrance
69%
69%
923
flagAustralia
69%
69%
542
flagLithuania
69%
69%
220
flagGreece
68%
68%
244
flagSerbia
68%
68%
19
flagRussia
67%
67%
241
flagTurkey
67%
67%
70
flagthe Netherlands
65%
65%
970
flagMalaysia
65%
65%
169
flagMexico
65%
65%
96
flagIran
65%
65%
69
flagBelarus
65%
65%
49
flagMongolia
65%
65%
40
flagBosnia and Herzegovina
65%
65%
26
flagBangladesh
65%
65%
26
flagUganda
65%
65%
20
flagUnknown
64%
64%
1039
flagRepublic of Ireland
64%
64%
993
flagCanada
64%
64%
833
flagDenmark
64%
64%
396
flagUkraine
64%
64%
238
flagSwitzerland
64%
64%
183
flagIndonesia
64%
64%
158
flagSlovakia
64%
64%
74
flagMorocco
63%
63%
19
flagMyanmar
63%
63%
11
flagSweden
61%
61%
271
flagNepal
61%
61%
26
flagCuba
61%
61%
21
flagIndia
60%
60%
2166
flagBelgium
60%
60%
296
flagSri Lanka
60%
60%
23
flagCôte d'Ivoire
60%
60%
10
flagSouth Africa
58%
58%
146
flagChina
58%
58%
53
flagThailand
58%
58%
39
flagCyprus
58%
58%
12
flagGhana
57%
57%
7
flagSouth Korea
55%
55%
80
flagIceland
54%
54%
50
flagSingapore
54%
54%
31
flagthe Philippines
53%
53%
291
flagAlbania
50%
50%
46
flagQatar
50%
50%
18
flagLatvia
50%
50%
14
flagSaudi Arabia
50%
50%
4
flagHonduras
50%
50%
2
flagRwanda
49%
49%
59
flagIraq
45%
45%
11
flagNigeria
41%
41%
46
flagTogo
41%
41%
12
flagLuxembourg
40%
40%
10
flagEthiopia
40%
40%
5
flagAzerbaijan
32%
32%
34
flagTaiwan
25%
25%
4
flagKG
0%
0%
3
flagEritrea
0%
0%
2
flagSwaziland
0%
0%
2
flagJordan
0%
0%
1
flagDominican Republic
0%
0%
1
flagRepublic of Macedonia
0%
0%
1
flagUzbekistan
0%
0%
1
flagSuriname
0%
0%
1
flagCambodia
0%
0%
1
Countries with less than 250 answers are not shown. Show all data
A more detailed analysis is available: Global optical illusions knowledge test
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