Optical illusions knowledge map

The current map is based on 337883 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
flagCape Verde
100%
100%
10
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
flagFiji
100%
100%
1
flagVenezuela
100%
100%
1
flagSudan
100%
100%
1
flagCosta Rica
100%
100%
1
flagBhutan
100%
100%
1
flagHungary
91%
91%
58
flagMontenegro
91%
91%
24
flagSeychelles
90%
90%
42
flagFinland
89%
89%
419
flagVietnam
89%
89%
116
flagJapan
89%
89%
46
flagMalta
86%
86%
29
flagAfghanistan
85%
85%
148
flagUruguay
83%
83%
79
flagBrazil
83%
83%
37
flagZimbabwe
83%
83%
12
flagGuatemala
83%
83%
6
flagPanama
82%
82%
52
flagEcuador
81%
81%
11
flagArgentina
80%
80%
25
flagNamibia
80%
80%
21
flagGeorgia
80%
80%
21
flagColombia
80%
80%
5
flagKazakhstan
79%
79%
49
flagOman
79%
79%
39
flagBulgaria
77%
77%
139
flagEgypt
77%
77%
81
flagLebanon
77%
77%
40
flagMyanmar
77%
77%
18
flagItaly
76%
76%
869
flagthe United Arab Emirates
76%
76%
427
flagIsrael
76%
76%
106
flagPortugal
76%
76%
75
flagSpain
75%
75%
501
flagRomania
75%
75%
106
flagNew Zealand
75%
75%
85
flagEstonia
75%
75%
28
flagMoldova
75%
75%
4
flagCzech Republic
74%
74%
360
flagAustria
74%
74%
276
flagCroatia
74%
74%
239
flagNorway
72%
72%
693
flagKuwait
72%
72%
65
flagBosnia and Herzegovina
72%
72%
33
flagKenya
72%
72%
22
flagChile
72%
72%
11
flagGermany
71%
71%
4004
flagJamaica
71%
71%
14
flagPoland
70%
70%
297220
flagthe United States
70%
70%
10475
flagthe United Kingdom
70%
70%
8014
flagLithuania
70%
70%
244
flagPakistan
70%
70%
189
flagFrance
69%
69%
986
flagAustralia
69%
69%
547
flagSlovenia
69%
69%
26
flagSerbia
68%
68%
19
flagthe Netherlands
67%
67%
1048
flagTurkey
67%
67%
70
flagUkraine
66%
66%
289
flagRussia
66%
66%
256
flagGreece
66%
66%
255
flagTrinidad and Tobago
66%
66%
3
flagCanada
65%
65%
899
flagSwitzerland
65%
65%
195
flagMexico
65%
65%
97
flagIran
65%
65%
69
flagMongolia
65%
65%
40
flagUganda
65%
65%
20
flagUnknown
64%
64%
1499
flagRepublic of Ireland
64%
64%
1042
flagDenmark
64%
64%
397
flagMalaysia
64%
64%
171
flagIndonesia
64%
64%
159
flagBelarus
64%
64%
50
flagSlovakia
62%
62%
97
flagSweden
61%
61%
334
flagNepal
61%
61%
36
flagCuba
61%
61%
21
flagIndia
60%
60%
2220
flagBangladesh
60%
60%
28
flagMorocco
60%
60%
20
flagCôte d'Ivoire
60%
60%
10
flagBelgium
59%
59%
297
flagSouth Africa
58%
58%
147
flagChina
58%
58%
55
flagThailand
58%
58%
39
flagCyprus
58%
58%
12
flagSri Lanka
57%
57%
26
flagGhana
57%
57%
7
flagSouth Korea
55%
55%
80
flagIceland
54%
54%
50
flagSingapore
54%
54%
31
flagthe Philippines
52%
52%
299
flagAlbania
50%
50%
48
flagQatar
50%
50%
18
flagLatvia
50%
50%
14
flagSaudi Arabia
50%
50%
4
flagHonduras
50%
50%
2
flagRwanda
49%
49%
63
flagIraq
45%
45%
11
flagNigeria
41%
41%
46
flagTogo
41%
41%
12
flagLuxembourg
40%
40%
10
flagEthiopia
40%
40%
5
flagAzerbaijan
32%
32%
34
flagTaiwan
25%
25%
4
flagMozambique
0%
0%
11
flagKG
0%
0%
3
flagSwaziland
0%
0%
2
flagEritrea
0%
0%
2
flagDominican Republic
0%
0%
1
flagRepublic of Macedonia
0%
0%
1
flagSuriname
0%
0%
1
flagUzbekistan
0%
0%
1
flagJordan
0%
0%
1
flagCambodia
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