Optical illusions knowledge map

The current map is based on 511194 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%
3
flagMontenegro
100%
100%
3
flagUruguay
100%
100%
3
flagHaiti
100%
100%
3
flagEritrea
100%
100%
2
flagSudan
100%
100%
2
flagPuerto Rico
100%
100%
2
flagPalestine
100%
100%
2
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
80%
80%
31
flagIraq
75%
75%
49
flagBosnia and Herzegovina
75%
75%
48
flagFiji
75%
75%
4
flagCzech Republic
74%
74%
202
flagVietnam
74%
74%
59
flagArgentina
74%
74%
27
flagFrance
73%
73%
349
flagPortugal
73%
73%
95
flagLithuania
72%
72%
80
flagThailand
72%
72%
79
flagKenya
72%
72%
74
flagHungary
72%
72%
36
flagMalta
72%
72%
22
flagCroatia
71%
71%
100
flagAustria
70%
70%
492
flagOman
70%
70%
44
flagthe Netherlands
69%
69%
451
flagSwitzerland
69%
69%
300
flagLuxembourg
69%
69%
131
flagMexico
69%
69%
89
flagParaguay
69%
69%
52
flagMongolia
69%
69%
13
flagPoland
68%
68%
476515
flagSingapore
68%
68%
322
flagSweden
68%
68%
82
flagAustralia
67%
67%
1019
flagIceland
67%
67%
71
flagBrazil
67%
67%
61
flagIsrael
66%
66%
144
flagBulgaria
66%
66%
106
flagEthiopia
66%
66%
6
flagMauritius
66%
66%
3
flagSomalia
66%
66%
3
flagthe United States
65%
65%
10134
flagGreece
64%
64%
497
flagDenmark
64%
64%
77
flagKuwait
64%
64%
45
flagNorway
63%
63%
166
flagIndonesia
63%
63%
145
flagFinland
63%
63%
44
flagUganda
63%
63%
19
flagthe United Kingdom
62%
62%
3571
flagGermany
62%
62%
3389
flagCanada
62%
62%
732
flagEgypt
62%
62%
148
flagTurkey
62%
62%
81
flagJamaica
62%
62%
16
flagUnknown
61%
61%
310
flagMalaysia
61%
61%
211
flagSerbia
61%
61%
55
flagMorocco
60%
60%
23
flagNew Zealand
59%
59%
136
flagEstonia
59%
59%
74
flagUkraine
58%
58%
1204
flagItaly
58%
58%
373
flagSpain
58%
58%
150
flagChina
58%
58%
98
flagRomania
58%
58%
94
flagLebanon
58%
58%
65
flagJapan
58%
58%
62
flagAzerbaijan
58%
58%
50
flagRepublic of Macedonia
58%
58%
17
flagCambodia
58%
58%
17
flagRepublic of Ireland
57%
57%
400
flagBelarus
57%
57%
194
flagAlbania
57%
57%
101
flagSouth Africa
56%
56%
144
flagArmenia
56%
56%
51
flagTurkmenistan
56%
56%
23
flagRussia
55%
55%
843
flagSouth Korea
55%
55%
118
flagKazakhstan
55%
55%
110
flagNepal
55%
55%
74
flagColombia
55%
55%
9
flagPakistan
54%
54%
191
flagIndia
53%
53%
3944
flagBelgium
53%
53%
152
flagSlovakia
52%
52%
40
flagLatvia
52%
52%
17
flagGhana
51%
51%
35
flagIran
50%
50%
46
flagMoldova
50%
50%
14
flagTajikistan
50%
50%
8
flagSaudi Arabia
50%
50%
8
flagMyanmar
50%
50%
4
flagBotswana
50%
50%
2
flagNorth Korea
50%
50%
2
flagZambia
50%
50%
2
flagMaldives
50%
50%
2
flagBahrain
50%
50%
2
flagthe Philippines
49%
49%
456
flagthe United Arab Emirates
49%
49%
271
flagRwanda
47%
47%
71
flagBangladesh
47%
47%
44
flagQatar
45%
45%
114
flagGeorgia
45%
45%
57
flagSri Lanka
45%
45%
31
flagNamibia
45%
45%
11
flagTanzania
44%
44%
25
flagTaiwan
44%
44%
9
flagUzbekistan
41%
41%
34
flagNigeria
40%
40%
99
flagHonduras
40%
40%
5
flagPeru
38%
38%
50
flagTunisia
36%
36%
11
flagCuba
33%
33%
6
flagChile
33%
33%
6
flagTrinidad and Tobago
33%
33%
3
flagCyprus
28%
28%
7
flagEcuador
25%
25%
4
flagKG
15%
15%
19
flagBahamas
0%
0%
3
flagAfghanistan
0%
0%
3
flagJordan
0%
0%
1
flagBhutan
0%
0%
1
flagMali
0%
0%
1
flagYemen
0%
0%
1
flagGuyana
0%
0%
1
flagLesotho
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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