Optical illusions knowledge map

The current map is based on 495575 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
Italian language (illusioni ottiche)  
1
German language (optische Täuschungen)  
11
Ukrainian language (оптичні ілюзії)  
6
Polish language (iluzje optyczne, złudzenia optyczne)  
11

Results

Country
Results
answers
flagVatican City
100%
100%
9
flagUruguay
100%
100%
3
flagHaiti
100%
100%
3
flagMontenegro
100%
100%
3
flagPuerto Rico
100%
100%
2
flagPalestine
100%
100%
2
flagZimbabwe
100%
100%
2
flagSudan
100%
100%
2
flagEritrea
100%
100%
2
flagAngola
100%
100%
1
flagVenezuela
100%
100%
1
flagMozambique
87%
87%
8
flagGuatemala
83%
83%
6
flagDominican Republic
81%
81%
16
flagSlovenia
80%
80%
31
flagKenya
79%
79%
68
flagLithuania
75%
75%
74
flagIraq
75%
75%
49
flagBosnia and Herzegovina
74%
74%
43
flagHungary
74%
74%
35
flagArgentina
74%
74%
27
flagCzech Republic
73%
73%
178
flagFrance
72%
72%
312
flagMalta
72%
72%
22
flagIsrael
71%
71%
123
flagCroatia
71%
71%
98
flagMexico
71%
71%
81
flagTanzania
71%
71%
14
flagSweden
70%
70%
62
flagOman
70%
70%
44
flagAustria
69%
69%
390
flagPortugal
69%
69%
75
flagParaguay
69%
69%
52
flagBrazil
69%
69%
46
flagPoland
68%
68%
464614
flagthe Netherlands
68%
68%
391
flagSingapore
68%
68%
306
flagSwitzerland
68%
68%
257
flagLuxembourg
68%
68%
93
flagAustralia
67%
67%
978
flagIceland
67%
67%
71
flagJapan
67%
67%
46
flagThailand
66%
66%
56
flagVietnam
66%
66%
33
flagEthiopia
66%
66%
6
flagSomalia
66%
66%
3
flagMauritius
66%
66%
3
flagthe United States
65%
65%
9739
flagGreece
65%
65%
483
flagItaly
64%
64%
304
flagEgypt
64%
64%
109
flagBulgaria
64%
64%
102
flagDenmark
64%
64%
77
flagKuwait
64%
64%
45
flagGermany
63%
63%
2419
flagCanada
63%
63%
697
flagNorway
63%
63%
157
flagIndonesia
63%
63%
140
flagMorocco
63%
63%
22
flagUganda
63%
63%
19
flagthe United Kingdom
62%
62%
3359
flagNepal
62%
62%
53
flagFinland
62%
62%
35
flagJamaica
62%
62%
16
flagColombia
62%
62%
8
flagUnknown
61%
61%
309
flagEstonia
61%
61%
67
flagTurkey
61%
61%
62
flagSerbia
61%
61%
54
flagMalaysia
60%
60%
197
flagLebanon
60%
60%
63
flagMoldova
60%
60%
10
flagUkraine
59%
59%
1019
flagRussia
58%
58%
607
flagBelarus
58%
58%
149
flagNew Zealand
58%
58%
122
flagKazakhstan
58%
58%
95
flagRomania
58%
58%
93
flagRepublic of Macedonia
58%
58%
17
flagCambodia
58%
58%
17
flagSouth Africa
57%
57%
142
flagSpain
57%
57%
126
flagBelgium
57%
57%
124
flagTajikistan
57%
57%
7
flagRepublic of Ireland
56%
56%
283
flagAlbania
56%
56%
99
flagArmenia
56%
56%
51
flagTurkmenistan
56%
56%
23
flagPakistan
55%
55%
178
flagSouth Korea
55%
55%
118
flagAzerbaijan
55%
55%
45
flagIndia
54%
54%
3602
flagChina
54%
54%
91
flagGhana
53%
53%
32
flagthe United Arab Emirates
52%
52%
189
flagGeorgia
52%
52%
50
flagthe Philippines
50%
50%
445
flagIran
50%
50%
46
flagSlovakia
50%
50%
36
flagSri Lanka
50%
50%
28
flagLatvia
50%
50%
16
flagSaudi Arabia
50%
50%
8
flagMyanmar
50%
50%
4
flagBotswana
50%
50%
2
flagNorth Korea
50%
50%
2
flagMaldives
50%
50%
2
flagFiji
50%
50%
2
flagBangladesh
48%
48%
39
flagRwanda
47%
47%
71
flagQatar
45%
45%
114
flagNigeria
45%
45%
88
flagUzbekistan
45%
45%
20
flagNamibia
45%
45%
11
flagTaiwan
42%
42%
7
flagChile
40%
40%
5
flagHonduras
40%
40%
5
flagTunisia
36%
36%
11
flagCuba
33%
33%
6
flagCyprus
28%
28%
7
flagKG
16%
16%
18
flagAfghanistan
0%
0%
3
flagBahamas
0%
0%
3
flagPapua New Guinea
0%
0%
2
flagLesotho
0%
0%
1
flagGuyana
0%
0%
1
flagSeychelles
0%
0%
1
flagZambia
0%
0%
1
flagMali
0%
0%
1
flagYemen
0%
0%
1
flagTrinidad and Tobago
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
The results are released under the CC-attribution license. You may freely use it and re-distribute, but you must provide the link back to this page