Optical illusions knowledge map

The current map is based on 415798 answers.

Number of active questions per language

language
number of questions
English language (optical illusions)  
15
Polish language (iluzje optyczne, złudzenia optyczne)  
14
Russian language (оптические иллюзии)  
6
Polish language (iluzje optyczne, złudzenia optyczne)  
10
Ukrainian language (оптичні ілюзії)  
5
German language (optische Täuschungen)  
11

Results

Country
Results
answers
flagDominican Republic
100%
100%
6
flagMontenegro
100%
100%
3
flagHaiti
100%
100%
3
flagUruguay
100%
100%
2
flagTajikistan
100%
100%
1
flagSudan
100%
100%
1
flagFiji
100%
100%
1
flagVenezuela
100%
100%
1
flagAngola
100%
100%
1
flagEritrea
100%
100%
1
flagRepublic of Macedonia
100%
100%
1
flagArgentina
86%
86%
15
flagBosnia and Herzegovina
84%
84%
26
flagMalta
83%
83%
12
flagGuatemala
83%
83%
6
flagKenya
81%
81%
49
flagItaly
80%
80%
115
flagMozambique
80%
80%
5
flagSlovenia
79%
79%
29
flagIraq
77%
77%
45
flagHungary
77%
77%
31
flagCzech Republic
76%
76%
77
flagCroatia
76%
76%
51
flagLithuania
76%
76%
34
flagJapan
76%
76%
21
flagOman
75%
75%
12
flagIceland
75%
75%
4
flagEstonia
74%
74%
35
flagMexico
73%
73%
56
flagIsrael
72%
72%
48
flagDenmark
72%
72%
48
flagSri Lanka
72%
72%
11
flagGermany
71%
71%
646
flagBrazil
71%
71%
42
flagTanzania
71%
71%
14
flagFrance
70%
70%
96
flagLuxembourg
70%
70%
74
flagPortugal
70%
70%
70
flagBulgaria
70%
70%
67
flagMorocco
70%
70%
20
flagSweden
69%
69%
33
flagPoland
68%
68%
396606
flagRomania
68%
68%
60
flagSwitzerland
67%
67%
97
flagNew Zealand
67%
67%
83
flagAzerbaijan
67%
67%
37
flagthe United States
66%
66%
7990
flagthe United Kingdom
65%
65%
1937
flagAustralia
65%
65%
529
flagGreece
65%
65%
138
flagKuwait
65%
65%
44
flagNepal
65%
65%
43
flagEgypt
64%
64%
76
flagJamaica
64%
64%
14
flagPakistan
63%
63%
118
flagIndonesia
63%
63%
117
flagNorway
63%
63%
112
flagKazakhstan
63%
63%
38
flagUganda
63%
63%
19
flagCanada
62%
62%
497
flagUkraine
62%
62%
403
flagTurkey
62%
62%
43
flagSerbia
62%
62%
35
flagUnknown
61%
61%
308
flagMalaysia
61%
61%
172
flagAustria
61%
61%
93
flagRussia
60%
60%
207
flagthe Netherlands
60%
60%
115
flagGeorgia
60%
60%
35
flagCambodia
60%
60%
15
flagLatvia
60%
60%
10
flagBelarus
59%
59%
54
flagSouth Africa
58%
58%
101
flagSingapore
57%
57%
61
flagSpain
57%
57%
49
flagFinland
57%
57%
21
flagColombia
57%
57%
7
flagthe United Arab Emirates
56%
56%
146
flagChina
56%
56%
64
flagSouth Korea
55%
55%
94
flagAlbania
55%
55%
70
flagIndia
54%
54%
2407
flagLebanon
54%
54%
53
flagSlovakia
54%
54%
11
flagUzbekistan
53%
53%
13
flagRepublic of Ireland
52%
52%
138
flagNigeria
51%
51%
62
flagIran
50%
50%
40
flagVietnam
50%
50%
14
flagGhana
50%
50%
8
flagCyprus
50%
50%
4
flagChile
50%
50%
4
flagHonduras
50%
50%
2
flagSomalia
50%
50%
2
flagMaldives
50%
50%
2
flagMoldova
50%
50%
2
flagMauritius
50%
50%
2
flagthe Philippines
49%
49%
323
flagBangladesh
47%
47%
21
flagRwanda
45%
45%
60
flagBelgium
44%
44%
50
flagNamibia
44%
44%
9
flagQatar
41%
41%
53
flagTunisia
36%
36%
11
flagCuba
33%
33%
6
flagSaudi Arabia
33%
33%
6
flagTaiwan
33%
33%
3
flagThailand
25%
25%
4
flagKG
16%
16%
6
flagAfghanistan
0%
0%
2
flagBahamas
0%
0%
2
flagPapua New Guinea
0%
0%
2
flagArmenia
0%
0%
2
flagGuyana
0%
0%
1
flagLesotho
0%
0%
1
flagJordan
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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