Optical illusions knowledge map

The current map is based on 519904 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%
4
flagMontenegro
100%
100%
3
flagHaiti
100%
100%
3
flagPuerto Rico
100%
100%
2
flagEritrea
100%
100%
2
flagPalestine
100%
100%
2
flagSudan
100%
100%
2
flagBolivia
100%
100%
1
flagAngola
100%
100%
1
flagVenezuela
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
flagSlovenia
81%
81%
32
flagDominican Republic
81%
81%
16
flagIraq
75%
75%
49
flagBosnia and Herzegovina
75%
75%
48
flagUruguay
75%
75%
4
flagVietnam
74%
74%
59
flagArgentina
74%
74%
27
flagFrance
73%
73%
354
flagCzech Republic
73%
73%
213
flagPortugal
73%
73%
95
flagLithuania
73%
73%
89
flagThailand
72%
72%
81
flagHungary
72%
72%
36
flagMalta
72%
72%
22
flagDenmark
71%
71%
107
flagCroatia
70%
70%
107
flagOman
70%
70%
44
flagthe Netherlands
69%
69%
456
flagSingapore
69%
69%
336
flagLuxembourg
69%
69%
133
flagMexico
69%
69%
89
flagParaguay
69%
69%
52
flagMongolia
69%
69%
13
flagPoland
68%
68%
482834
flagSwitzerland
68%
68%
340
flagKenya
68%
68%
82
flagIceland
68%
68%
72
flagAustralia
67%
67%
1053
flagAustria
67%
67%
608
flagNorway
67%
67%
188
flagBrazil
66%
66%
63
flagSomalia
66%
66%
3
flagMauritius
66%
66%
3
flagthe United States
65%
65%
10446
flagGreece
65%
65%
500
flagBulgaria
65%
65%
113
flagIsrael
64%
64%
168
flagSweden
64%
64%
99
flagKuwait
64%
64%
45
flagCanada
63%
63%
801
flagTurkey
63%
63%
84
flagFinland
63%
63%
44
flagUganda
63%
63%
19
flagGermany
62%
62%
4096
flagthe United Kingdom
62%
62%
3710
flagEgypt
62%
62%
156
flagUnknown
61%
61%
310
flagMalaysia
61%
61%
211
flagSpain
61%
61%
167
flagIndonesia
61%
61%
155
flagSerbia
61%
61%
55
flagMorocco
60%
60%
23
flagNew Zealand
59%
59%
137
flagRomania
59%
59%
100
flagEstonia
59%
59%
84
flagBelgium
58%
58%
174
flagChina
58%
58%
98
flagJapan
58%
58%
62
flagAzerbaijan
58%
58%
50
flagRepublic of Macedonia
58%
58%
17
flagCambodia
58%
58%
17
flagJamaica
58%
58%
17
flagUkraine
57%
57%
1280
flagItaly
57%
57%
415
flagRepublic of Ireland
57%
57%
411
flagSouth Africa
57%
57%
157
flagAlbania
57%
57%
102
flagEthiopia
57%
57%
7
flagKazakhstan
56%
56%
126
flagLebanon
56%
56%
75
flagTurkmenistan
56%
56%
23
flagSouth Korea
55%
55%
118
flagNepal
55%
55%
74
flagLatvia
55%
55%
18
flagColombia
55%
55%
9
flagBelarus
54%
54%
219
flagTaiwan
54%
54%
11
flagIndia
53%
53%
4102
flagRussia
53%
53%
1032
flagPakistan
53%
53%
196
flagSlovakia
52%
52%
40
flagBangladesh
50%
50%
56
flagIran
50%
50%
46
flagMoldova
50%
50%
14
flagTajikistan
50%
50%
8
flagFiji
50%
50%
6
flagMyanmar
50%
50%
4
flagBahrain
50%
50%
2
flagNorth Korea
50%
50%
2
flagBotswana
50%
50%
2
flagZambia
50%
50%
2
flagMaldives
50%
50%
2
flagthe Philippines
49%
49%
476
flagthe United Arab Emirates
49%
49%
277
flagArmenia
49%
49%
61
flagPeru
48%
48%
90
flagGhana
48%
48%
37
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
flagTanzania
44%
44%
25
flagNigeria
41%
41%
109
flagJordan
40%
40%
10
flagHonduras
40%
40%
5
flagCyprus
38%
38%
18
flagUzbekistan
36%
36%
55
flagTunisia
36%
36%
11
flagChile
33%
33%
6
flagCuba
33%
33%
6
flagTrinidad and Tobago
33%
33%
3
flagEcuador
25%
25%
4
flagKG
24%
24%
25
flagBahamas
0%
0%
3
flagAfghanistan
0%
0%
3
flagLesotho
0%
0%
1
flagBhutan
0%
0%
1
flagMali
0%
0%
1
flagYemen
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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