Optical illusions knowledge map

The current map is based on 467320 answers.

Number of active questions per language

language
number of questions
English language (optical illusions)  
15
Polish language (iluzje optyczne, złudzenia optyczne)  
14
Russian language (оптические иллюзии)  
6
Italian language (illusioni ottiche)  
1
German language (optische Täuschungen)  
11
Ukrainian language (оптичні ілюзії)  
6
Polish language (iluzje optyczne, złudzenia optyczne)  
11

Results

Country
Results
answers
flagDominican Republic
100%
100%
6
flagHaiti
100%
100%
3
flagUruguay
100%
100%
3
flagMontenegro
100%
100%
3
flagPuerto Rico
100%
100%
2
flagZimbabwe
100%
100%
2
flagTajikistan
100%
100%
2
flagRepublic of Macedonia
100%
100%
2
flagSudan
100%
100%
2
flagVenezuela
100%
100%
1
flagFiji
100%
100%
1
flagEritrea
100%
100%
1
flagAngola
100%
100%
1
flagMozambique
87%
87%
8
flagMalta
83%
83%
12
flagGuatemala
83%
83%
6
flagSlovenia
79%
79%
29
flagKenya
78%
78%
61
flagLithuania
78%
78%
52
flagIraq
75%
75%
49
flagHungary
75%
75%
33
flagOman
75%
75%
12
flagItaly
74%
74%
183
flagArgentina
74%
74%
27
flagCroatia
73%
73%
84
flagSweden
73%
73%
52
flagBosnia and Herzegovina
73%
73%
41
flagDenmark
72%
72%
65
flagTanzania
71%
71%
14
flagAustria
70%
70%
257
flagCzech Republic
70%
70%
111
flagMexico
70%
70%
77
flagPortugal
70%
70%
71
flagIsrael
70%
70%
68
flagJapan
70%
70%
37
flagMorocco
70%
70%
20
flagFrance
69%
69%
201
flagLuxembourg
69%
69%
88
flagPoland
68%
68%
442305
flagthe Netherlands
68%
68%
288
flagNew Zealand
68%
68%
95
flagRomania
68%
68%
73
flagBrazil
68%
68%
45
flagBelarus
67%
67%
95
flagGermany
66%
66%
1480
flagBulgaria
66%
66%
93
flagMauritius
66%
66%
3
flagthe United States
65%
65%
8956
flagAustralia
65%
65%
789
flagEgypt
65%
65%
91
flagSingapore
65%
65%
90
flagNepal
65%
65%
47
flagthe United Kingdom
64%
64%
2650
flagNorway
64%
64%
145
flagSwitzerland
64%
64%
132
flagKuwait
64%
64%
45
flagJamaica
64%
64%
14
flagCanada
63%
63%
631
flagGreece
63%
63%
313
flagKazakhstan
63%
63%
58
flagSerbia
63%
63%
47
flagEstonia
63%
63%
46
flagUganda
63%
63%
19
flagIndonesia
62%
62%
124
flagFinland
62%
62%
35
flagUnknown
61%
61%
308
flagMalaysia
61%
61%
187
flagRussia
60%
60%
417
flagTurkey
60%
60%
50
flagThailand
60%
60%
40
flagUkraine
59%
59%
665
flagAlbania
58%
58%
90
flagAzerbaijan
58%
58%
43
flagArmenia
58%
58%
36
flagCambodia
58%
58%
17
flagPakistan
57%
57%
167
flagIceland
57%
57%
49
flagColombia
57%
57%
7
flagChina
56%
56%
87
flagGeorgia
56%
56%
44
flagRepublic of Ireland
55%
55%
210
flagSouth Africa
55%
55%
116
flagSpain
55%
55%
98
flagSouth Korea
55%
55%
96
flagLebanon
54%
54%
53
flagIndia
53%
53%
2977
flagthe United Arab Emirates
53%
53%
157
flagBelgium
53%
53%
99
flagVietnam
53%
53%
15
flagSlovakia
51%
51%
33
flagSri Lanka
50%
50%
28
flagGhana
50%
50%
18
flagUzbekistan
50%
50%
18
flagLatvia
50%
50%
16
flagChile
50%
50%
4
flagEthiopia
50%
50%
4
flagMoldova
50%
50%
2
flagNorth Korea
50%
50%
2
flagSomalia
50%
50%
2
flagBotswana
50%
50%
2
flagMaldives
50%
50%
2
flagthe Philippines
49%
49%
395
flagRwanda
48%
48%
70
flagNigeria
48%
48%
70
flagIran
47%
47%
42
flagBangladesh
47%
47%
36
flagNamibia
45%
45%
11
flagQatar
44%
44%
74
flagSaudi Arabia
42%
42%
7
flagTaiwan
40%
40%
5
flagHonduras
40%
40%
5
flagTunisia
36%
36%
11
flagCuba
33%
33%
6
flagCyprus
33%
33%
6
flagTurkmenistan
33%
33%
6
flagKG
16%
16%
6
flagBahamas
0%
0%
3
flagAfghanistan
0%
0%
3
flagPapua New Guinea
0%
0%
2
flagLesotho
0%
0%
1
flagMali
0%
0%
1
flagZambia
0%
0%
1
flagJordan
0%
0%
1
flagGuyana
0%
0%
1
flagYemen
0%
0%
1
flagSeychelles
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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