Optical illusions knowledge map

The current map is based on 543283 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
flagSwaziland
100%
100%
8
flagZimbabwe
100%
100%
6
flagHaiti
100%
100%
3
flagPuerto Rico
100%
100%
2
flagSudan
100%
100%
2
flagEritrea
100%
100%
2
flagPalestine
100%
100%
2
flagAngola
100%
100%
1
flagNiger
100%
100%
1
flagSyria
100%
100%
1
flagNicaragua
100%
100%
1
flagEquatorial Guinea
100%
100%
1
flagVenezuela
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
flagIraq
75%
75%
49
flagBosnia and Herzegovina
75%
75%
49
flagUruguay
75%
75%
4
flagCzech Republic
74%
74%
296
flagPortugal
73%
73%
116
flagVietnam
73%
73%
80
flagLuxembourg
72%
72%
154
flagDenmark
72%
72%
126
flagMalta
72%
72%
22
flagFrance
71%
71%
386
flagOman
71%
71%
49
flagArgentina
71%
71%
28
flagThailand
70%
70%
85
flagSingapore
69%
69%
338
flagMexico
69%
69%
89
flagIceland
69%
69%
83
flagParaguay
69%
69%
53
flagPoland
68%
68%
499946
flagCroatia
68%
68%
134
flagLithuania
68%
68%
110
flagHungary
68%
68%
41
flagAustralia
67%
67%
1109
flagthe United States
66%
66%
11268
flagthe Netherlands
66%
66%
541
flagSwitzerland
66%
66%
519
flagSerbia
66%
66%
65
flagZambia
66%
66%
3
flagMauritius
66%
66%
3
flagSomalia
66%
66%
3
flagAustria
65%
65%
892
flagGreece
65%
65%
542
flagNorway
65%
65%
212
flagIndonesia
65%
65%
180
flagBulgaria
65%
65%
131
flagGermany
64%
64%
5736
flagSpain
64%
64%
216
flagKenya
64%
64%
88
flagBrazil
64%
64%
65
flagMongolia
64%
64%
17
flagthe United Kingdom
63%
63%
4267
flagIsrael
63%
63%
178
flagAlbania
63%
63%
118
flagTurkey
63%
63%
90
flagKuwait
63%
63%
46
flagFinland
63%
63%
44
flagUganda
63%
63%
19
flagCanada
62%
62%
911
flagEgypt
62%
62%
157
flagSweden
62%
62%
119
flagUnknown
61%
61%
313
flagNew Zealand
61%
61%
152
flagMalaysia
60%
60%
238
flagColombia
60%
60%
10
flagEstonia
59%
59%
142
flagChina
59%
59%
109
flagBelgium
58%
58%
197
flagSouth Africa
58%
58%
183
flagRepublic of Macedonia
58%
58%
17
flagJamaica
58%
58%
17
flagCambodia
58%
58%
17
flagTunisia
58%
58%
17
flagTaiwan
58%
58%
12
flagRepublic of Ireland
57%
57%
460
flagRomania
57%
57%
115
flagLebanon
57%
57%
82
flagUkraine
56%
56%
1548
flagMorocco
56%
56%
25
flagKazakhstan
55%
55%
207
flagSouth Korea
55%
55%
123
flagItaly
54%
54%
608
flagBelarus
54%
54%
292
flagLatvia
54%
54%
35
flagTurkmenistan
54%
54%
24
flagIndia
53%
53%
4460
flagPakistan
53%
53%
199
flagJapan
53%
53%
82
flagNepal
53%
53%
78
flagRussia
52%
52%
1474
flagSlovakia
52%
52%
42
flagPeru
51%
51%
105
flagBangladesh
51%
51%
62
flagthe Philippines
50%
50%
515
flagArmenia
50%
50%
67
flagMoldova
50%
50%
24
flagFiji
50%
50%
6
flagMyanmar
50%
50%
4
flagBolivia
50%
50%
2
flagNorth Korea
50%
50%
2
flagBotswana
50%
50%
2
flagBahrain
50%
50%
2
flagAzerbaijan
49%
49%
71
flagCyprus
48%
48%
25
flagIran
47%
47%
59
flagSaudi Arabia
47%
47%
21
flagthe United Arab Emirates
46%
46%
307
flagGeorgia
46%
46%
58
flagQatar
45%
45%
114
flagRwanda
45%
45%
81
flagTanzania
44%
44%
25
flagSri Lanka
43%
43%
37
flagNigeria
42%
42%
150
flagTajikistan
42%
42%
14
flagUzbekistan
41%
41%
106
flagNamibia
41%
41%
12
flagEthiopia
40%
40%
10
flagJordan
40%
40%
10
flagHonduras
40%
40%
5
flagGhana
38%
38%
50
flagKG
36%
36%
47
flagCuba
33%
33%
6
flagChile
33%
33%
6
flagMaldives
33%
33%
3
flagTrinidad and Tobago
33%
33%
3
flagEcuador
25%
25%
4
flagAfghanistan
0%
0%
3
flagBahamas
0%
0%
3
flagLesotho
0%
0%
1
flagBhutan
0%
0%
1
flagGuyana
0%
0%
1
flagYemen
0%
0%
1
flagDominica
0%
0%
1
flagMali
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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