Optical illusions knowledge map

The current map is based on 527600 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
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
flagSlovenia
78%
78%
33
flagBosnia and Herzegovina
75%
75%
49
flagIraq
75%
75%
49
flagUruguay
75%
75%
4
flagCzech Republic
74%
74%
253
flagArgentina
74%
74%
27
flagLuxembourg
73%
73%
149
flagPortugal
73%
73%
95
flagDenmark
72%
72%
125
flagLithuania
72%
72%
90
flagHungary
72%
72%
37
flagMalta
72%
72%
22
flagFrance
71%
71%
364
flagThailand
71%
71%
84
flagVietnam
71%
71%
71
flagOman
71%
71%
49
flagIceland
70%
70%
82
flagthe Netherlands
69%
69%
490
flagSingapore
69%
69%
338
flagCroatia
69%
69%
131
flagMexico
69%
69%
89
flagParaguay
69%
69%
53
flagMongolia
69%
69%
13
flagPoland
68%
68%
488288
flagNorway
68%
68%
195
flagAustralia
67%
67%
1079
flagSwitzerland
67%
67%
375
flagMauritius
66%
66%
3
flagSomalia
66%
66%
3
flagthe United States
65%
65%
10652
flagAustria
65%
65%
799
flagKenya
65%
65%
86
flagBrazil
65%
65%
64
flagGreece
64%
64%
502
flagIndonesia
64%
64%
179
flagIsrael
64%
64%
174
flagBulgaria
64%
64%
114
flagTurkey
63%
63%
85
flagKuwait
63%
63%
46
flagFinland
63%
63%
44
flagUganda
63%
63%
19
flagGermany
62%
62%
4553
flagthe United Kingdom
62%
62%
3868
flagCanada
62%
62%
843
flagEgypt
62%
62%
157
flagSweden
62%
62%
112
flagUnknown
61%
61%
310
flagMalaysia
61%
61%
213
flagSpain
61%
61%
187
flagNew Zealand
61%
61%
149
flagSerbia
61%
61%
55
flagColombia
60%
60%
10
flagSouth Africa
59%
59%
181
flagRomania
59%
59%
102
flagChina
59%
59%
100
flagJapan
59%
59%
66
flagLatvia
59%
59%
32
flagBelgium
58%
58%
176
flagEstonia
58%
58%
91
flagLebanon
58%
58%
81
flagMorocco
58%
58%
24
flagTunisia
58%
58%
17
flagCambodia
58%
58%
17
flagJamaica
58%
58%
17
flagRepublic of Macedonia
58%
58%
17
flagRepublic of Ireland
57%
57%
424
flagAlbania
57%
57%
102
flagUkraine
56%
56%
1387
flagKazakhstan
56%
56%
158
flagAzerbaijan
56%
56%
58
flagTurkmenistan
56%
56%
23
flagItaly
55%
55%
478
flagSouth Korea
55%
55%
118
flagBelarus
54%
54%
241
flagTaiwan
54%
54%
11
flagIndia
53%
53%
4307
flagRussia
53%
53%
1203
flagPakistan
53%
53%
199
flagNepal
53%
53%
76
flagSlovakia
52%
52%
42
flagPeru
51%
51%
105
flagBangladesh
51%
51%
62
flagArmenia
50%
50%
63
flagCyprus
50%
50%
24
flagMoldova
50%
50%
16
flagFiji
50%
50%
6
flagMyanmar
50%
50%
4
flagBolivia
50%
50%
2
flagNorth Korea
50%
50%
2
flagZambia
50%
50%
2
flagBotswana
50%
50%
2
flagBahrain
50%
50%
2
flagthe Philippines
49%
49%
504
flagSri Lanka
48%
48%
33
flagthe United Arab Emirates
47%
47%
293
flagSaudi Arabia
47%
47%
21
flagIran
46%
46%
58
flagTajikistan
46%
46%
13
flagQatar
45%
45%
114
flagRwanda
45%
45%
81
flagGeorgia
45%
45%
57
flagTanzania
44%
44%
25
flagGhana
43%
43%
41
flagNigeria
42%
42%
136
flagUzbekistan
42%
42%
70
flagNamibia
41%
41%
12
flagEthiopia
40%
40%
10
flagJordan
40%
40%
10
flagHonduras
40%
40%
5
flagChile
33%
33%
6
flagCuba
33%
33%
6
flagMaldives
33%
33%
3
flagTrinidad and Tobago
33%
33%
3
flagKG
26%
26%
30
flagEcuador
25%
25%
4
flagBahamas
0%
0%
3
flagAfghanistan
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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