Optical illusions knowledge map

The current map is based on 479407 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
flagMontenegro
100%
100%
3
flagHaiti
100%
100%
3
flagUruguay
100%
100%
3
flagSudan
100%
100%
2
flagPuerto Rico
100%
100%
2
flagPalestine
100%
100%
2
flagZimbabwe
100%
100%
2
flagEritrea
100%
100%
2
flagFiji
100%
100%
1
flagVenezuela
100%
100%
1
flagAngola
100%
100%
1
flagMozambique
87%
87%
8
flagGuatemala
83%
83%
6
flagSlovenia
80%
80%
30
flagKenya
78%
78%
66
flagLithuania
78%
78%
55
flagIraq
75%
75%
49
flagHungary
75%
75%
33
flagOman
75%
75%
12
flagBosnia and Herzegovina
74%
74%
43
flagArgentina
74%
74%
27
flagCzech Republic
73%
73%
135
flagIsrael
73%
73%
109
flagCroatia
73%
73%
84
flagSweden
72%
72%
59
flagMalta
72%
72%
22
flagJapan
71%
71%
39
flagTanzania
71%
71%
14
flagMexico
70%
70%
78
flagPortugal
70%
70%
74
flagMorocco
70%
70%
20
flagthe Netherlands
69%
69%
312
flagAustria
69%
69%
300
flagFrance
69%
69%
246
flagParaguay
69%
69%
52
flagPoland
68%
68%
451927
flagSwitzerland
68%
68%
211
flagLuxembourg
68%
68%
93
flagBrazil
68%
68%
45
flagNew Zealand
67%
67%
96
flagAustralia
66%
66%
847
flagItaly
66%
66%
253
flagSingapore
66%
66%
92
flagRomania
66%
66%
75
flagDenmark
66%
66%
74
flagIceland
66%
66%
68
flagRepublic of Macedonia
66%
66%
15
flagMauritius
66%
66%
3
flagSomalia
66%
66%
3
flagthe United States
65%
65%
9366
flagGermany
65%
65%
1832
flagthe United Kingdom
64%
64%
2875
flagCanada
64%
64%
681
flagGreece
64%
64%
451
flagNorway
64%
64%
149
flagBelarus
64%
64%
116
flagBulgaria
64%
64%
101
flagEgypt
64%
64%
95
flagNepal
64%
64%
51
flagSerbia
64%
64%
48
flagKuwait
64%
64%
45
flagJamaica
64%
64%
14
flagUganda
63%
63%
19
flagIndonesia
62%
62%
124
flagTurkey
62%
62%
61
flagThailand
62%
62%
48
flagFinland
62%
62%
35
flagUnknown
61%
61%
309
flagMalaysia
60%
60%
192
flagKazakhstan
60%
60%
81
flagEstonia
60%
60%
64
flagArmenia
59%
59%
49
flagRussia
58%
58%
495
flagSouth Korea
58%
58%
107
flagAlbania
58%
58%
91
flagCambodia
58%
58%
17
flagUkraine
57%
57%
852
flagBelgium
57%
57%
119
flagColombia
57%
57%
7
flagTajikistan
57%
57%
7
flagAzerbaijan
56%
56%
44
flagTurkmenistan
56%
56%
23
flagRepublic of Ireland
55%
55%
239
flagPakistan
55%
55%
175
flagSouth Africa
55%
55%
127
flagSpain
54%
54%
101
flagChina
54%
54%
91
flagLebanon
54%
54%
53
flagIndia
53%
53%
3187
flagthe United Arab Emirates
53%
53%
158
flagGeorgia
53%
53%
47
flagVietnam
53%
53%
15
flagSlovakia
50%
50%
36
flagSri Lanka
50%
50%
28
flagGhana
50%
50%
18
flagLatvia
50%
50%
16
flagMyanmar
50%
50%
4
flagEthiopia
50%
50%
4
flagNorth Korea
50%
50%
2
flagMaldives
50%
50%
2
flagMoldova
50%
50%
2
flagBotswana
50%
50%
2
flagthe Philippines
49%
49%
403
flagIran
48%
48%
45
flagNigeria
47%
47%
72
flagRwanda
47%
47%
71
flagBangladesh
47%
47%
38
flagUzbekistan
47%
47%
19
flagNamibia
45%
45%
11
flagQatar
44%
44%
94
flagSaudi Arabia
42%
42%
7
flagHonduras
40%
40%
5
flagChile
40%
40%
5
flagTaiwan
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
flagLesotho
0%
0%
1
flagGuyana
0%
0%
1
flagZambia
0%
0%
1
flagSeychelles
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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