Optical illusions knowledge map

The current map is based on 505745 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
flagDjibouti
100%
100%
8
flagSomalia
100%
100%
8
flagAlgeria
100%
100%
8
flagRepublic of the Congo
100%
100%
4
flagBahamas
100%
100%
3
flagYemen
100%
100%
2
flagCosta Rica
100%
100%
1
flagBhutan
100%
100%
1
flagTanzania
100%
100%
1
flagFiji
100%
100%
1
flagVenezuela
100%
100%
1
flagSudan
100%
100%
1
flagSeychelles
91%
91%
48
flagMontenegro
91%
91%
24
flagFinland
90%
90%
486
flagHungary
90%
90%
63
flagZimbabwe
90%
90%
53
flagNiger
90%
90%
20
flagBurkina Faso
89%
89%
46
flagVietnam
88%
88%
118
flagSuriname
88%
88%
17
flagMalta
86%
86%
44
flagBrazil
86%
86%
43
flagUruguay
85%
85%
87
flagGuatemala
83%
83%
6
flagSri Lanka
82%
82%
87
flagthe United Arab Emirates
81%
81%
589
flagAfghanistan
81%
81%
212
flagJapan
81%
81%
66
flagPanama
81%
81%
53
flagKazakhstan
81%
81%
53
flagEcuador
81%
81%
11
flagSwitzerland
80%
80%
552
flagArmenia
80%
80%
51
flagNamibia
80%
80%
21
flagTrinidad and Tobago
80%
80%
5
flagOman
79%
79%
44
flagLebanon
78%
78%
50
flagSaudi Arabia
78%
78%
23
flagCroatia
77%
77%
389
flagBulgaria
77%
77%
230
flagSlovenia
77%
77%
44
flagLibya
77%
77%
9
flagItaly
76%
76%
1033
flagIsrael
76%
76%
118
flagSpain
75%
75%
574
flagRomania
75%
75%
122
flagPortugal
75%
75%
108
flagEgypt
75%
75%
84
flagArgentina
75%
75%
32
flagKenya
75%
75%
32
flagEstonia
75%
75%
29
flagMyanmar
75%
75%
20
flagMoldova
75%
75%
4
flagCzech Republic
74%
74%
372
flagBangladesh
74%
74%
51
flagBosnia and Herzegovina
74%
74%
35
flagNorway
73%
73%
889
flagGermany
72%
72%
5289
flagAustria
72%
72%
396
flagNew Zealand
72%
72%
96
flagJordan
72%
72%
18
flagChile
72%
72%
11
flagPoland
71%
71%
431539
flagUnknown
71%
71%
27026
flagthe United Kingdom
71%
71%
9681
flagthe Netherlands
71%
71%
1604
flagKuwait
71%
71%
66
flagLuxembourg
71%
71%
49
flagJamaica
71%
71%
14
flagthe United States
70%
70%
11198
flagSweden
70%
70%
620
flagGreece
70%
70%
371
flagLithuania
70%
70%
281
flagPakistan
70%
70%
205
flagCambodia
70%
70%
10
flagFrance
68%
68%
1126
flagAustralia
68%
68%
656
flagUkraine
68%
68%
344
flagTurkey
67%
67%
73
flagBelarus
67%
67%
67
flagGeorgia
67%
67%
37
flagDenmark
66%
66%
454
flagSerbia
66%
66%
21
flagRepublic of Macedonia
66%
66%
3
flagCanada
65%
65%
935
flagRussia
65%
65%
367
flagMalaysia
65%
65%
189
flagMexico
65%
65%
113
flagNepal
65%
65%
69
flagIran
65%
65%
69
flagUganda
65%
65%
20
flagRepublic of Ireland
64%
64%
1242
flagIndonesia
64%
64%
159
flagSlovakia
63%
63%
101
flagSingapore
62%
62%
62
flagMongolia
61%
61%
44
flagCuba
61%
61%
21
flagIndia
60%
60%
2390
flagBelgium
60%
60%
356
flagSouth Korea
60%
60%
128
flagAlbania
60%
60%
99
flagIceland
60%
60%
61
flagMorocco
60%
60%
20
flagVatican City
60%
60%
15
flagCôte d'Ivoire
60%
60%
10
flagBurundi
60%
60%
5
flagSouth Africa
58%
58%
150
flagThailand
58%
58%
55
flagCyprus
57%
57%
14
flagGhana
57%
57%
7
flagChina
56%
56%
67
flagthe Philippines
52%
52%
327
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
43%
43%
41
flagKG
40%
40%
5
flagEthiopia
40%
40%
5
flagNigeria
39%
39%
48
flagAzerbaijan
39%
39%
38
flagTaiwan
25%
25%
4
flagEritrea
0%
0%
2
flagSwaziland
0%
0%
2
flagNorth Korea
0%
0%
2
flagUzbekistan
0%
0%
1
flagLesotho
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