Optical illusions knowledge map

The current map is based on 406118 answers.

Number of active questions per language

language
number of questions
Polish language (iluzje optyczne, złudzenia optyczne)  
14
Russian language (оптические иллюзии)  
6
English language (optical illusions)  
14
Polish language (iluzje optyczne, złudzenia optyczne)  
10
Ukrainian language (оптичні ілюзії)  
5
German language (optische Täuschungen)  
11

Results

Country
Results
answers
flagHaiti
100%
100%
3
flagMontenegro
100%
100%
3
flagUruguay
100%
100%
2
flagVenezuela
100%
100%
1
flagEritrea
100%
100%
1
flagTajikistan
100%
100%
1
flagFiji
100%
100%
1
flagSudan
100%
100%
1
flagRepublic of Macedonia
100%
100%
1
flagArgentina
85%
85%
14
flagBosnia and Herzegovina
84%
84%
26
flagMalta
83%
83%
12
flagGuatemala
83%
83%
6
flagMozambique
80%
80%
5
flagCzech Republic
79%
79%
54
flagHungary
79%
79%
29
flagKenya
78%
78%
32
flagSlovenia
78%
78%
28
flagItaly
77%
77%
97
flagIraq
77%
77%
45
flagEstonia
77%
77%
31
flagCroatia
76%
76%
51
flagLithuania
76%
76%
34
flagLuxembourg
76%
76%
21
flagOman
75%
75%
12
flagIceland
75%
75%
4
flagAustria
74%
74%
66
flagIsrael
73%
73%
45
flagMexico
73%
73%
42
flagFrance
72%
72%
91
flagPortugal
72%
72%
68
flagSri Lanka
72%
72%
11
flagBulgaria
71%
71%
52
flagTanzania
71%
71%
14
flagSweden
70%
70%
31
flagMorocco
70%
70%
17
flagGermany
69%
69%
362
flagBrazil
69%
69%
39
flagNepal
69%
69%
33
flagPoland
68%
68%
388560
flagGreece
68%
68%
82
flagRomania
68%
68%
60
flagDenmark
68%
68%
22
flagJapan
68%
68%
16
flagPakistan
67%
67%
106
flagNew Zealand
67%
67%
83
flagSwitzerland
67%
67%
77
flagthe United States
66%
66%
7677
flagAzerbaijan
66%
66%
36
flagthe United Kingdom
65%
65%
1749
flagAustralia
65%
65%
504
flagKuwait
65%
65%
44
flagEgypt
64%
64%
76
flagJamaica
64%
64%
14
flagIndonesia
63%
63%
117
flagKazakhstan
63%
63%
33
flagFinland
63%
63%
19
flagUganda
63%
63%
19
flagCanada
62%
62%
457
flagUkraine
62%
62%
359
flagRussia
62%
62%
196
flagBelarus
62%
62%
50
flagTurkey
62%
62%
43
flagSerbia
62%
62%
32
flagUnknown
61%
61%
308
flagSpain
61%
61%
44
flagNorway
60%
60%
93
flagGeorgia
60%
60%
33
flagCambodia
60%
60%
15
flagLatvia
60%
60%
10
flagthe Netherlands
59%
59%
101
flagMalaysia
58%
58%
161
flagSouth Africa
58%
58%
99
flagthe United Arab Emirates
57%
57%
141
flagSingapore
57%
57%
61
flagColombia
57%
57%
7
flagIndia
55%
55%
2206
flagSouth Korea
55%
55%
94
flagAlbania
55%
55%
69
flagQatar
55%
55%
18
flagChina
54%
54%
62
flagLebanon
54%
54%
53
flagUzbekistan
53%
53%
13
flagIran
50%
50%
40
flagVietnam
50%
50%
14
flagSlovakia
50%
50%
10
flagNamibia
50%
50%
8
flagGhana
50%
50%
8
flagCyprus
50%
50%
4
flagChile
50%
50%
4
flagSomalia
50%
50%
2
flagMauritius
50%
50%
2
flagMoldova
50%
50%
2
flagMaldives
50%
50%
2
flagHonduras
50%
50%
2
flagthe Philippines
48%
48%
308
flagRepublic of Ireland
48%
48%
105
flagBangladesh
47%
47%
21
flagRwanda
45%
45%
60
flagBelgium
45%
45%
48
flagNigeria
37%
37%
43
flagCuba
33%
33%
6
flagSaudi Arabia
33%
33%
6
flagTaiwan
33%
33%
3
flagThailand
33%
33%
3
flagKG
20%
20%
5
flagPapua New Guinea
0%
0%
2
flagArmenia
0%
0%
2
flagJordan
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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