Optical illusions knowledge map

The current map is based on 523640 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
flagMontenegro
100%
100%
3
flagPalestine
100%
100%
2
flagSudan
100%
100%
2
flagEritrea
100%
100%
2
flagPuerto Rico
100%
100%
2
flagNiger
100%
100%
1
flagSyria
100%
100%
1
flagAngola
100%
100%
1
flagVenezuela
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
flagSlovenia
78%
78%
33
flagIraq
75%
75%
49
flagBosnia and Herzegovina
75%
75%
48
flagUruguay
75%
75%
4
flagCzech Republic
74%
74%
227
flagArgentina
74%
74%
27
flagLuxembourg
73%
73%
149
flagDenmark
73%
73%
123
flagPortugal
73%
73%
95
flagFrance
72%
72%
358
flagLithuania
72%
72%
90
flagVietnam
72%
72%
69
flagHungary
72%
72%
37
flagMalta
72%
72%
22
flagThailand
71%
71%
83
flagCroatia
70%
70%
130
flagIceland
70%
70%
82
flagOman
70%
70%
44
flagthe Netherlands
69%
69%
468
flagSingapore
69%
69%
338
flagMexico
69%
69%
89
flagParaguay
69%
69%
53
flagMongolia
69%
69%
13
flagPoland
68%
68%
485467
flagSwitzerland
68%
68%
343
flagAustralia
67%
67%
1059
flagNorway
67%
67%
190
flagKenya
67%
67%
83
flagMauritius
66%
66%
3
flagSomalia
66%
66%
3
flagthe United States
65%
65%
10542
flagAustria
65%
65%
749
flagBrazil
65%
65%
64
flagGreece
64%
64%
502
flagIsrael
64%
64%
172
flagBulgaria
64%
64%
114
flagSweden
64%
64%
104
flagKuwait
64%
64%
45
flagCanada
63%
63%
817
flagIndonesia
63%
63%
169
flagTurkey
63%
63%
84
flagFinland
63%
63%
44
flagUganda
63%
63%
19
flagGermany
62%
62%
4324
flagthe United Kingdom
62%
62%
3774
flagEgypt
62%
62%
157
flagUnknown
61%
61%
310
flagMalaysia
61%
61%
211
flagSpain
61%
61%
180
flagSerbia
61%
61%
55
flagNew Zealand
60%
60%
139
flagRomania
59%
59%
102
flagEstonia
59%
59%
87
flagJapan
59%
59%
66
flagBelgium
58%
58%
175
flagSouth Africa
58%
58%
172
flagKazakhstan
58%
58%
131
flagChina
58%
58%
98
flagLebanon
58%
58%
81
flagMorocco
58%
58%
24
flagTunisia
58%
58%
17
flagJamaica
58%
58%
17
flagCambodia
58%
58%
17
flagRepublic of Macedonia
58%
58%
17
flagUkraine
57%
57%
1323
flagRepublic of Ireland
57%
57%
417
flagAlbania
57%
57%
102
flagAzerbaijan
57%
57%
57
flagTurkmenistan
56%
56%
23
flagItaly
55%
55%
436
flagBelarus
55%
55%
226
flagSouth Korea
55%
55%
118
flagNepal
55%
55%
74
flagLatvia
55%
55%
18
flagColombia
55%
55%
9
flagTaiwan
54%
54%
11
flagIndia
53%
53%
4179
flagRussia
53%
53%
1129
flagPakistan
53%
53%
196
flagSlovakia
52%
52%
42
flagCyprus
50%
50%
24
flagMoldova
50%
50%
14
flagTajikistan
50%
50%
8
flagFiji
50%
50%
6
flagMyanmar
50%
50%
4
flagNorth Korea
50%
50%
2
flagZambia
50%
50%
2
flagBolivia
50%
50%
2
flagBotswana
50%
50%
2
flagBahrain
50%
50%
2
flagthe Philippines
49%
49%
489
flagthe United Arab Emirates
49%
49%
281
flagArmenia
49%
49%
61
flagBangladesh
49%
49%
57
flagPeru
48%
48%
90
flagSaudi Arabia
47%
47%
21
flagSri Lanka
46%
46%
32
flagQatar
45%
45%
114
flagRwanda
45%
45%
80
flagGeorgia
45%
45%
57
flagNamibia
45%
45%
11
flagIran
44%
44%
56
flagTanzania
44%
44%
25
flagGhana
43%
43%
41
flagUzbekistan
42%
42%
70
flagNigeria
41%
41%
134
flagEthiopia
40%
40%
10
flagJordan
40%
40%
10
flagHonduras
40%
40%
5
flagChile
33%
33%
6
flagCuba
33%
33%
6
flagTrinidad and Tobago
33%
33%
3
flagMaldives
33%
33%
3
flagEcuador
25%
25%
4
flagKG
24%
24%
25
flagAfghanistan
0%
0%
3
flagBahamas
0%
0%
3
flagDominica
0%
0%
1
flagMali
0%
0%
1
flagYemen
0%
0%
1
flagLesotho
0%
0%
1
flagBhutan
0%
0%
1
flagGuyana
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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