Optical illusions knowledge map

The current map is based on 474480 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
flagMontenegro
100%
100%
3
flagUruguay
100%
100%
3
flagPuerto Rico
100%
100%
2
flagZimbabwe
100%
100%
2
flagSudan
100%
100%
2
flagTajikistan
100%
100%
2
flagEritrea
100%
100%
2
flagVenezuela
100%
100%
1
flagAngola
100%
100%
1
flagFiji
100%
100%
1
flagMozambique
87%
87%
8
flagGuatemala
83%
83%
6
flagSlovenia
80%
80%
30
flagKenya
78%
78%
61
flagLithuania
78%
78%
55
flagIraq
75%
75%
49
flagHungary
75%
75%
33
flagOman
75%
75%
12
flagIsrael
74%
74%
99
flagBosnia and Herzegovina
74%
74%
43
flagArgentina
74%
74%
27
flagCroatia
73%
73%
84
flagSweden
72%
72%
58
flagMalta
72%
72%
22
flagJapan
71%
71%
39
flagTanzania
71%
71%
14
flagRepublic of Macedonia
71%
71%
14
flagAustria
70%
70%
280
flagItaly
70%
70%
211
flagCzech Republic
70%
70%
114
flagMexico
70%
70%
78
flagPortugal
70%
70%
71
flagMorocco
70%
70%
20
flagParaguay
69%
69%
52
flagPoland
68%
68%
447865
flagthe Netherlands
68%
68%
297
flagFrance
68%
68%
231
flagSwitzerland
68%
68%
188
flagNew Zealand
68%
68%
95
flagLuxembourg
68%
68%
92
flagBrazil
68%
68%
45
flagDenmark
67%
67%
73
flagNepal
67%
67%
49
flagAustralia
66%
66%
824
flagRomania
66%
66%
75
flagIceland
66%
66%
68
flagSomalia
66%
66%
3
flagMauritius
66%
66%
3
flagthe United States
65%
65%
9247
flagGermany
65%
65%
1626
flagSingapore
65%
65%
90
flagthe United Kingdom
64%
64%
2794
flagNorway
64%
64%
149
flagBelarus
64%
64%
115
flagBulgaria
64%
64%
101
flagEgypt
64%
64%
95
flagKuwait
64%
64%
45
flagJamaica
64%
64%
14
flagCanada
63%
63%
669
flagGreece
63%
63%
426
flagSerbia
63%
63%
47
flagUganda
63%
63%
19
flagIndonesia
62%
62%
124
flagThailand
62%
62%
45
flagFinland
62%
62%
35
flagUnknown
61%
61%
309
flagTurkmenistan
61%
61%
18
flagMalaysia
60%
60%
190
flagKazakhstan
60%
60%
69
flagEstonia
60%
60%
64
flagTurkey
60%
60%
50
flagArmenia
60%
60%
45
flagRussia
59%
59%
480
flagUkraine
58%
58%
767
flagAlbania
58%
58%
90
flagAzerbaijan
58%
58%
43
flagCambodia
58%
58%
17
flagBelgium
57%
57%
118
flagColombia
57%
57%
7
flagPakistan
56%
56%
169
flagRepublic of Ireland
55%
55%
236
flagSouth Africa
55%
55%
117
flagSouth Korea
55%
55%
96
flagSpain
54%
54%
99
flagChina
54%
54%
91
flagLebanon
54%
54%
53
flagIndia
53%
53%
3138
flagthe United Arab Emirates
53%
53%
158
flagGeorgia
53%
53%
47
flagVietnam
53%
53%
15
flagSlovakia
50%
50%
34
flagSri Lanka
50%
50%
28
flagGhana
50%
50%
18
flagLatvia
50%
50%
16
flagEthiopia
50%
50%
4
flagMyanmar
50%
50%
4
flagNorth Korea
50%
50%
2
flagBotswana
50%
50%
2
flagMaldives
50%
50%
2
flagMoldova
50%
50%
2
flagthe Philippines
49%
49%
403
flagRwanda
48%
48%
70
flagBangladesh
48%
48%
37
flagNigeria
47%
47%
71
flagIran
47%
47%
44
flagUzbekistan
47%
47%
19
flagNamibia
45%
45%
11
flagQatar
44%
44%
94
flagSaudi Arabia
42%
42%
7
flagTaiwan
40%
40%
5
flagChile
40%
40%
5
flagHonduras
40%
40%
5
flagTunisia
36%
36%
11
flagCuba
33%
33%
6
flagCyprus
28%
28%
7
flagKG
20%
20%
15
flagAfghanistan
0%
0%
3
flagBahamas
0%
0%
3
flagPapua New Guinea
0%
0%
2
flagZambia
0%
0%
1
flagGuyana
0%
0%
1
flagSeychelles
0%
0%
1
flagLesotho
0%
0%
1
flagYemen
0%
0%
1
flagMali
0%
0%
1
flagJordan
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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