Optical illusions knowledge map

The current map is based on 537762 answers.

Number of active questions per language

language
number of questions
Italian language (illusioni ottiche)  
1
German language (optische Täuschungen)  
11
English language (optical illusions)  
15
Polish language (iluzje optyczne, złudzenia optyczne)  
14
Russian language (оптические иллюзии)  
6
Ukrainian language (оптичні ілюзії)  
6
Polish language (iluzje optyczne, złudzenia optyczne)  
11

Results

Country
Results
answers
flagVatican City
100%
100%
25
flagZimbabwe
100%
100%
6
flagHaiti
100%
100%
3
flagPuerto Rico
100%
100%
2
flagPalestine
100%
100%
2
flagSudan
100%
100%
2
flagEritrea
100%
100%
2
flagEquatorial Guinea
100%
100%
1
flagVenezuela
100%
100%
1
flagAngola
100%
100%
1
flagNiger
100%
100%
1
flagNicaragua
100%
100%
1
flagSyria
100%
100%
1
flagSeychelles
92%
92%
25
flagMozambique
87%
87%
8
flagPapua New Guinea
85%
85%
48
flagGuatemala
85%
85%
7
flagDominican Republic
81%
81%
16
flagMontenegro
80%
80%
5
flagSlovenia
77%
77%
36
flagBosnia and Herzegovina
75%
75%
49
flagIraq
75%
75%
49
flagUruguay
75%
75%
4
flagCzech Republic
74%
74%
295
flagPortugal
73%
73%
115
flagLuxembourg
72%
72%
153
flagDenmark
72%
72%
126
flagMalta
72%
72%
22
flagFrance
71%
71%
382
flagLithuania
71%
71%
94
flagThailand
71%
71%
84
flagVietnam
71%
71%
71
flagOman
71%
71%
49
flagArgentina
71%
71%
28
flagIceland
70%
70%
82
flagHungary
70%
70%
40
flagSingapore
69%
69%
338
flagCroatia
69%
69%
133
flagMexico
69%
69%
89
flagParaguay
69%
69%
53
flagPoland
68%
68%
495946
flagAustralia
67%
67%
1087
flagthe Netherlands
67%
67%
526
flagSwitzerland
66%
66%
474
flagNorway
66%
66%
210
flagZambia
66%
66%
3
flagSomalia
66%
66%
3
flagMauritius
66%
66%
3
flagthe United States
65%
65%
10983
flagBulgaria
65%
65%
129
flagBrazil
65%
65%
64
flagAustria
64%
64%
840
flagGreece
64%
64%
505
flagIndonesia
64%
64%
179
flagIsrael
64%
64%
176
flagKenya
64%
64%
87
flagMongolia
64%
64%
17
flagAlbania
63%
63%
118
flagTurkey
63%
63%
85
flagKuwait
63%
63%
46
flagFinland
63%
63%
44
flagUganda
63%
63%
19
flagGermany
62%
62%
5145
flagthe United Kingdom
62%
62%
4193
flagSpain
62%
62%
208
flagEgypt
62%
62%
157
flagSweden
62%
62%
118
flagCanada
61%
61%
866
flagUnknown
61%
61%
310
flagNew Zealand
61%
61%
152
flagSerbia
61%
61%
55
flagMalaysia
60%
60%
238
flagChina
60%
60%
108
flagColombia
60%
60%
10
flagRepublic of Ireland
58%
58%
453
flagSouth Africa
58%
58%
183
flagEstonia
58%
58%
125
flagJapan
58%
58%
68
flagRepublic of Macedonia
58%
58%
17
flagJamaica
58%
58%
17
flagCambodia
58%
58%
17
flagTunisia
58%
58%
17
flagTaiwan
58%
58%
12
flagBelgium
57%
57%
195
flagRomania
57%
57%
112
flagLebanon
57%
57%
82
flagUkraine
56%
56%
1523
flagMorocco
56%
56%
25
flagTurkmenistan
56%
56%
23
flagBelarus
55%
55%
270
flagKazakhstan
55%
55%
195
flagSouth Korea
55%
55%
118
flagLatvia
55%
55%
34
flagIndia
53%
53%
4414
flagRussia
53%
53%
1420
flagPakistan
53%
53%
199
flagNepal
53%
53%
78
flagItaly
52%
52%
576
flagSlovakia
52%
52%
42
flagPeru
51%
51%
105
flagBangladesh
51%
51%
62
flagthe Philippines
50%
50%
514
flagArmenia
50%
50%
67
flagMoldova
50%
50%
20
flagFiji
50%
50%
6
flagMyanmar
50%
50%
4
flagBolivia
50%
50%
2
flagNorth Korea
50%
50%
2
flagBahrain
50%
50%
2
flagBotswana
50%
50%
2
flagAzerbaijan
49%
49%
71
flagCyprus
48%
48%
25
flagSaudi Arabia
47%
47%
21
flagthe United Arab Emirates
46%
46%
307
flagIran
46%
46%
58
flagQatar
45%
45%
114
flagRwanda
45%
45%
81
flagGeorgia
45%
45%
57
flagTanzania
44%
44%
25
flagUzbekistan
43%
43%
90
flagSri Lanka
43%
43%
37
flagNigeria
42%
42%
150
flagTajikistan
42%
42%
14
flagNamibia
41%
41%
12
flagGhana
40%
40%
45
flagEthiopia
40%
40%
10
flagJordan
40%
40%
10
flagHonduras
40%
40%
5
flagChile
33%
33%
6
flagCuba
33%
33%
6
flagTrinidad and Tobago
33%
33%
3
flagMaldives
33%
33%
3
flagKG
30%
30%
42
flagEcuador
25%
25%
4
flagAfghanistan
0%
0%
3
flagBahamas
0%
0%
3
flagDominica
0%
0%
1
flagMali
0%
0%
1
flagGuyana
0%
0%
1
flagLesotho
0%
0%
1
flagYemen
0%
0%
1
flagBhutan
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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