Optical illusions knowledge map

The current map is based on 313805 answers.

Number of active questions per language

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

Results

Country
Results
answers
flagBurkina Faso
100%
100%
19
flagMadagascar
100%
100%
9
flagAlgeria
100%
100%
8
flagArmenia
100%
100%
5
flagSomalia
100%
100%
4
flagBahamas
100%
100%
3
flagRepublic of the Congo
100%
100%
2
flagSudan
100%
100%
1
flagVenezuela
100%
100%
1
flagCosta Rica
100%
100%
1
flagFiji
100%
100%
1
flagHungary
91%
91%
56
flagMontenegro
91%
91%
24
flagFinland
88%
88%
408
flagVietnam
87%
87%
93
flagMalta
86%
86%
29
flagJapan
85%
85%
35
flagAfghanistan
84%
84%
146
flagUruguay
83%
83%
79
flagBrazil
83%
83%
36
flagZimbabwe
83%
83%
12
flagGuatemala
83%
83%
6
flagPanama
82%
82%
52
flagEcuador
81%
81%
11
flagArgentina
80%
80%
25
flagGeorgia
80%
80%
21
flagNamibia
80%
80%
21
flagColombia
80%
80%
5
flagLebanon
79%
79%
39
flagOman
79%
79%
39
flagBulgaria
77%
77%
135
flagEgypt
77%
77%
81
flagKazakhstan
77%
77%
45
flagItaly
76%
76%
781
flagSpain
76%
76%
456
flagIsrael
76%
76%
104
flagRomania
76%
76%
103
flagPortugal
76%
76%
71
flagEstonia
75%
75%
28
flagSlovenia
75%
75%
16
flagMoldova
75%
75%
4
flagthe United Arab Emirates
74%
74%
317
flagAustria
74%
74%
269
flagCroatia
74%
74%
227
flagNew Zealand
74%
74%
81
flagKuwait
72%
72%
65
flagKenya
72%
72%
22
flagChile
72%
72%
11
flagGermany
71%
71%
3757
flagNorway
71%
71%
667
flagCzech Republic
71%
71%
281
flagJamaica
71%
71%
14
flagthe United States
70%
70%
9943
flagPakistan
70%
70%
187
flagPoland
69%
69%
276797
flagthe United Kingdom
69%
69%
7313
flagFrance
69%
69%
919
flagAustralia
69%
69%
539
flagSerbia
68%
68%
19
flagLithuania
67%
67%
212
flagTurkey
67%
67%
70
flagRussia
66%
66%
238
flagGreece
66%
66%
214
flagRepublic of Ireland
65%
65%
923
flagthe Netherlands
65%
65%
908
flagMexico
65%
65%
96
flagIran
65%
65%
69
flagBelarus
65%
65%
49
flagMongolia
65%
65%
40
flagUganda
65%
65%
20
flagCanada
64%
64%
814
flagUnknown
64%
64%
762
flagDenmark
64%
64%
380
flagSwitzerland
64%
64%
183
flagMalaysia
64%
64%
165
flagIndonesia
64%
64%
157
flagSlovakia
64%
64%
74
flagUkraine
62%
62%
216
flagCuba
61%
61%
21
flagBosnia and Herzegovina
61%
61%
18
flagIndia
60%
60%
2106
flagBelgium
60%
60%
295
flagSweden
60%
60%
260
flagSri Lanka
60%
60%
23
flagMyanmar
60%
60%
10
flagCôte d'Ivoire
60%
60%
10
flagSouth Africa
58%
58%
146
flagChina
58%
58%
51
flagThailand
58%
58%
39
flagCyprus
58%
58%
12
flagSingapore
57%
57%
28
flagBangladesh
57%
57%
21
flagGhana
57%
57%
7
flagMorocco
56%
56%
16
flagSouth Korea
55%
55%
80
flagIceland
55%
55%
49
flagNepal
54%
54%
22
flagthe Philippines
53%
53%
289
flagRwanda
51%
51%
56
flagQatar
50%
50%
18
flagLatvia
50%
50%
14
flagSaudi Arabia
50%
50%
4
flagHonduras
50%
50%
2
flagAlbania
46%
46%
41
flagIraq
45%
45%
11
flagNigeria
42%
42%
45
flagTogo
41%
41%
12
flagLuxembourg
40%
40%
10
flagEthiopia
40%
40%
5
flagAzerbaijan
32%
32%
34
flagTaiwan
25%
25%
4
flagKG
0%
0%
3
flagEritrea
0%
0%
2
flagSwaziland
0%
0%
2
flagSuriname
0%
0%
1
flagJordan
0%
0%
1
flagDominican Republic
0%
0%
1
flagCambodia
0%
0%
1
flagRepublic of Macedonia
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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