Optical illusions knowledge map

The current map is based on 531437 answers.

Number of active questions per language

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

Results

Country
Results
answers
flagVatican City
100%
100%
25
flagZimbabwe
100%
100%
6
flagHaiti
100%
100%
3
flagEritrea
100%
100%
2
flagPuerto Rico
100%
100%
2
flagSudan
100%
100%
2
flagPalestine
100%
100%
2
flagSyria
100%
100%
1
flagVenezuela
100%
100%
1
flagAngola
100%
100%
1
flagEquatorial Guinea
100%
100%
1
flagNiger
100%
100%
1
flagSeychelles
92%
92%
25
flagMozambique
87%
87%
8
flagPapua New Guinea
85%
85%
48
flagGuatemala
85%
85%
7
flagDominican Republic
81%
81%
16
flagMontenegro
80%
80%
5
flagSlovenia
78%
78%
33
flagBosnia and Herzegovina
75%
75%
49
flagIraq
75%
75%
49
flagUruguay
75%
75%
4
flagCzech Republic
74%
74%
282
flagPortugal
73%
73%
95
flagLuxembourg
72%
72%
151
flagDenmark
72%
72%
126
flagMalta
72%
72%
22
flagFrance
71%
71%
380
flagLithuania
71%
71%
94
flagThailand
71%
71%
84
flagVietnam
71%
71%
71
flagOman
71%
71%
49
flagHungary
71%
71%
38
flagArgentina
71%
71%
28
flagIceland
70%
70%
82
flagthe Netherlands
69%
69%
500
flagSingapore
69%
69%
338
flagMexico
69%
69%
89
flagParaguay
69%
69%
53
flagPoland
68%
68%
491108
flagCroatia
68%
68%
132
flagAustralia
67%
67%
1081
flagSwitzerland
67%
67%
405
flagNorway
67%
67%
198
flagMauritius
66%
66%
3
flagSomalia
66%
66%
3
flagZambia
66%
66%
3
flagthe United States
65%
65%
10818
flagKenya
65%
65%
86
flagBrazil
65%
65%
64
flagAustria
64%
64%
815
flagGreece
64%
64%
503
flagIndonesia
64%
64%
179
flagIsrael
64%
64%
176
flagBulgaria
64%
64%
116
flagMongolia
64%
64%
17
flagTurkey
63%
63%
85
flagKuwait
63%
63%
46
flagFinland
63%
63%
44
flagUganda
63%
63%
19
flagGermany
62%
62%
4751
flagthe United Kingdom
62%
62%
3978
flagSpain
62%
62%
194
flagEgypt
62%
62%
157
flagCanada
61%
61%
862
flagUnknown
61%
61%
310
flagMalaysia
61%
61%
213
flagSweden
61%
61%
113
flagSerbia
61%
61%
55
flagNew Zealand
60%
60%
151
flagChina
60%
60%
107
flagEstonia
60%
60%
101
flagColombia
60%
60%
10
flagSouth Africa
59%
59%
181
flagRomania
59%
59%
106
flagLatvia
59%
59%
32
flagJapan
58%
58%
68
flagCambodia
58%
58%
17
flagJamaica
58%
58%
17
flagTunisia
58%
58%
17
flagRepublic of Macedonia
58%
58%
17
flagTaiwan
58%
58%
12
flagRepublic of Ireland
57%
57%
442
flagBelgium
57%
57%
179
flagAlbania
57%
57%
102
flagLebanon
57%
57%
82
flagUkraine
56%
56%
1445
flagKazakhstan
56%
56%
169
flagAzerbaijan
56%
56%
60
flagMorocco
56%
56%
25
flagTurkmenistan
56%
56%
23
flagSouth Korea
55%
55%
118
flagRussia
54%
54%
1309
flagBelarus
54%
54%
252
flagIndia
53%
53%
4363
flagPakistan
53%
53%
199
flagNepal
53%
53%
78
flagItaly
52%
52%
525
flagSlovakia
52%
52%
42
flagPeru
51%
51%
105
flagBangladesh
51%
51%
62
flagthe Philippines
50%
50%
512
flagArmenia
50%
50%
63
flagMoldova
50%
50%
20
flagFiji
50%
50%
6
flagMyanmar
50%
50%
4
flagBolivia
50%
50%
2
flagNorth Korea
50%
50%
2
flagBotswana
50%
50%
2
flagBahrain
50%
50%
2
flagCyprus
48%
48%
25
flagthe United Arab Emirates
47%
47%
296
flagSri Lanka
47%
47%
34
flagSaudi Arabia
47%
47%
21
flagIran
46%
46%
58
flagQatar
45%
45%
114
flagRwanda
45%
45%
81
flagGeorgia
45%
45%
57
flagTanzania
44%
44%
25
flagNigeria
43%
43%
138
flagGhana
43%
43%
41
flagUzbekistan
42%
42%
85
flagTajikistan
42%
42%
14
flagNamibia
41%
41%
12
flagEthiopia
40%
40%
10
flagJordan
40%
40%
10
flagHonduras
40%
40%
5
flagCuba
33%
33%
6
flagChile
33%
33%
6
flagTrinidad and Tobago
33%
33%
3
flagMaldives
33%
33%
3
flagKG
31%
31%
41
flagEcuador
25%
25%
4
flagAfghanistan
0%
0%
3
flagBahamas
0%
0%
3
flagYemen
0%
0%
1
flagGuyana
0%
0%
1
flagBhutan
0%
0%
1
flagLesotho
0%
0%
1
flagMali
0%
0%
1
flagDominica
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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