Optical illusions knowledge map

The current map is based on 458312 answers.

Number of active questions per language

language
number of questions
English language (optical illusions)  
11
Russian language (оптические иллюзии)  
5
Polish language (złudzenia optyczne, iluzje optyczne)  
8
Polish language (złudzenia optyczne, iluzje optyczne)  
13
Ukrainian language (оптичні ілюзії)  
5

Results

Country
Results
answers
flagCape Verde
100%
100%
15
flagMadagascar
100%
100%
12
flagSomalia
100%
100%
8
flagAlgeria
100%
100%
8
flagRepublic of the Congo
100%
100%
4
flagBahamas
100%
100%
3
flagDjibouti
100%
100%
2
flagTanzania
100%
100%
1
flagVenezuela
100%
100%
1
flagCosta Rica
100%
100%
1
flagBhutan
100%
100%
1
flagFiji
100%
100%
1
flagSudan
100%
100%
1
flagBurkina Faso
97%
97%
36
flagHungary
91%
91%
61
flagSeychelles
91%
91%
48
flagZimbabwe
91%
91%
34
flagMontenegro
91%
91%
24
flagFinland
90%
90%
482
flagNiger
90%
90%
20
flagVietnam
89%
89%
117
flagSuriname
88%
88%
17
flagMalta
86%
86%
44
flagBrazil
86%
86%
43
flagAfghanistan
84%
84%
175
flagUruguay
84%
84%
83
flagJapan
83%
83%
56
flagGuatemala
83%
83%
6
flagPanama
81%
81%
53
flagSaudi Arabia
81%
81%
22
flagEcuador
81%
81%
11
flagKazakhstan
80%
80%
50
flagArgentina
80%
80%
25
flagGeorgia
80%
80%
21
flagNamibia
80%
80%
21
flagColombia
80%
80%
5
flagthe United Arab Emirates
79%
79%
501
flagOman
79%
79%
39
flagBulgaria
78%
78%
207
flagItaly
77%
77%
938
flagEgypt
77%
77%
81
flagLebanon
77%
77%
40
flagMyanmar
77%
77%
18
flagLibya
77%
77%
9
flagSpain
76%
76%
552
flagCroatia
76%
76%
336
flagAustria
75%
75%
320
flagIsrael
75%
75%
115
flagNew Zealand
75%
75%
85
flagPortugal
75%
75%
83
flagEstonia
75%
75%
28
flagMoldova
75%
75%
4
flagCzech Republic
74%
74%
361
flagNorway
73%
73%
827
flagRomania
73%
73%
109
flagArmenia
73%
73%
38
flagBosnia and Herzegovina
73%
73%
34
flagGermany
72%
72%
4673
flagKuwait
72%
72%
65
flagKenya
72%
72%
22
flagChile
72%
72%
11
flagPoland
71%
71%
391112
flagUnknown
71%
71%
23997
flagthe United Kingdom
71%
71%
9027
flagLithuania
71%
71%
270
flagPakistan
71%
71%
202
flagLuxembourg
71%
71%
49
flagJamaica
71%
71%
14
flagthe United States
70%
70%
10850
flagCambodia
70%
70%
10
flagAustralia
69%
69%
607
flagGreece
69%
69%
335
flagSlovenia
69%
69%
26
flagthe Netherlands
68%
68%
1247
flagFrance
68%
68%
1082
flagSwitzerland
68%
68%
257
flagSerbia
68%
68%
19
flagTurkey
67%
67%
70
flagDenmark
66%
66%
436
flagUkraine
66%
66%
302
flagTrinidad and Tobago
66%
66%
3
flagCanada
65%
65%
911
flagMalaysia
65%
65%
181
flagMexico
65%
65%
97
flagIran
65%
65%
69
flagBelarus
65%
65%
52
flagSri Lanka
65%
65%
40
flagUganda
65%
65%
20
flagRepublic of Ireland
64%
64%
1133
flagRussia
64%
64%
314
flagIndonesia
64%
64%
159
flagSweden
63%
63%
399
flagSlovakia
62%
62%
98
flagSingapore
62%
62%
61
flagMongolia
61%
61%
44
flagCuba
61%
61%
21
flagIndia
60%
60%
2242
flagBelgium
60%
60%
347
flagBangladesh
60%
60%
28
flagMorocco
60%
60%
20
flagCôte d'Ivoire
60%
60%
10
flagSouth Korea
59%
59%
103
flagSouth Africa
58%
58%
148
flagIceland
58%
58%
56
flagThailand
58%
58%
55
flagJordan
58%
58%
12
flagChina
57%
57%
61
flagCyprus
57%
57%
14
flagVatican City
57%
57%
14
flagGhana
57%
57%
7
flagNepal
56%
56%
46
flagthe Philippines
53%
53%
317
flagAlbania
52%
52%
55
flagMozambique
51%
51%
29
flagQatar
50%
50%
18
flagLatvia
50%
50%
14
flagHonduras
50%
50%
2
flagRwanda
49%
49%
63
flagIraq
45%
45%
11
flagTogo
41%
41%
12
flagNigeria
40%
40%
47
flagKG
40%
40%
5
flagEthiopia
40%
40%
5
flagAzerbaijan
39%
39%
38
flagTaiwan
25%
25%
4
flagEritrea
0%
0%
2
flagSwaziland
0%
0%
2
flagUzbekistan
0%
0%
1
flagRepublic of Macedonia
0%
0%
1
flagDominican Republic
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