Optical illusions knowledge map

The current map is based on 486072 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
flagDjibouti
100%
100%
8
flagRepublic of the Congo
100%
100%
4
flagBahamas
100%
100%
3
flagCosta Rica
100%
100%
1
flagBurundi
100%
100%
1
flagVenezuela
100%
100%
1
flagSudan
100%
100%
1
flagFiji
100%
100%
1
flagBhutan
100%
100%
1
flagTanzania
100%
100%
1
flagBurkina Faso
92%
92%
42
flagHungary
91%
91%
62
flagSeychelles
91%
91%
48
flagZimbabwe
91%
91%
36
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
flagUruguay
85%
85%
87
flagGuatemala
83%
83%
6
flagAfghanistan
82%
82%
180
flagJapan
81%
81%
66
flagPanama
81%
81%
53
flagOman
81%
81%
43
flagEcuador
81%
81%
11
flagthe United Arab Emirates
80%
80%
539
flagKazakhstan
80%
80%
51
flagArmenia
80%
80%
50
flagGeorgia
80%
80%
21
flagNamibia
80%
80%
21
flagTrinidad and Tobago
80%
80%
5
flagBulgaria
78%
78%
218
flagSaudi Arabia
78%
78%
23
flagCroatia
77%
77%
389
flagPortugal
77%
77%
98
flagLebanon
77%
77%
40
flagLibya
77%
77%
9
flagItaly
76%
76%
983
flagIsrael
76%
76%
118
flagSpain
75%
75%
566
flagAustria
75%
75%
334
flagRomania
75%
75%
122
flagEgypt
75%
75%
83
flagArgentina
75%
75%
32
flagEstonia
75%
75%
29
flagMyanmar
75%
75%
20
flagMoldova
75%
75%
4
flagNorway
74%
74%
866
flagCzech Republic
74%
74%
362
flagBosnia and Herzegovina
74%
74%
35
flagSwitzerland
73%
73%
350
flagNew Zealand
73%
73%
95
flagGermany
72%
72%
5032
flagKuwait
72%
72%
65
flagKenya
72%
72%
22
flagJordan
72%
72%
18
flagChile
72%
72%
11
flagPoland
71%
71%
414941
flagUnknown
71%
71%
26050
flagthe United Kingdom
71%
71%
9367
flagthe Netherlands
71%
71%
1455
flagLithuania
71%
71%
270
flagLuxembourg
71%
71%
49
flagJamaica
71%
71%
14
flagthe United States
70%
70%
10974
flagGreece
70%
70%
365
flagPakistan
70%
70%
204
flagCambodia
70%
70%
10
flagFrance
69%
69%
1097
flagAustralia
69%
69%
646
flagSlovenia
69%
69%
26
flagSerbia
68%
68%
19
flagTurkey
67%
67%
70
flagBelarus
67%
67%
67
flagSweden
66%
66%
472
flagDenmark
66%
66%
453
flagUkraine
66%
66%
318
flagSri Lanka
66%
66%
42
flagRepublic of Macedonia
66%
66%
3
flagCanada
65%
65%
920
flagMalaysia
65%
65%
186
flagIran
65%
65%
69
flagUganda
65%
65%
20
flagRepublic of Ireland
64%
64%
1160
flagRussia
64%
64%
332
flagIndonesia
64%
64%
159
flagMexico
63%
63%
108
flagSlovakia
63%
63%
101
flagNepal
63%
63%
58
flagSingapore
62%
62%
61
flagMongolia
61%
61%
44
flagCuba
61%
61%
21
flagIndia
60%
60%
2306
flagBelgium
60%
60%
353
flagSouth Korea
60%
60%
106
flagAlbania
60%
60%
75
flagIceland
60%
60%
61
flagBangladesh
60%
60%
28
flagMorocco
60%
60%
20
flagVatican City
60%
60%
15
flagCôte d'Ivoire
60%
60%
10
flagSouth Africa
58%
58%
150
flagThailand
58%
58%
55
flagCyprus
57%
57%
14
flagGhana
57%
57%
7
flagChina
56%
56%
62
flagthe Philippines
52%
52%
323
flagRwanda
50%
50%
66
flagQatar
50%
50%
18
flagLatvia
50%
50%
14
flagColombia
50%
50%
8
flagHonduras
50%
50%
2
flagTogo
46%
46%
13
flagIraq
45%
45%
11
flagMozambique
41%
41%
39
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
flagNorth Korea
0%
0%
2
flagLesotho
0%
0%
1
flagDominican Republic
0%
0%
1
flagUzbekistan
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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