Optical illusions knowledge map
The current map is based on 519904 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

100%
25

100%
4

100%
3

100%
3

100%
2

100%
2

100%
2

100%
2

100%
1

100%
1

100%
1

100%
1

92%
25

87%
8

85%
48

85%
7

81%
32

81%
16

75%
49

75%
48

75%
4

74%
59

74%
27

73%
354

73%
213

73%
95

73%
89

72%
81

72%
36

72%
22

71%
107

70%
107

70%
44

69%
456

69%
336

69%
133

69%
89

69%
52

69%
13

68%
482834

68%
340

68%
82

68%
72

67%
1053

67%
608

67%
188

66%
63

66%
3

66%
3

65%
10446

65%
500

65%
113

64%
168

64%
99

64%
45

63%
801

63%
84

63%
44

63%
19

62%
4096

62%
3710

62%
156

61%
310

61%
211

61%
167

61%
155

61%
55

60%
23

59%
137

59%
100

59%
84

58%
174

58%
98

58%
62

58%
50

58%
17

58%
17

58%
17

57%
1280

57%
415

57%
411

57%
157

57%
102

57%
7

56%
126

56%
75

56%
23

55%
118

55%
74

55%
18

55%
9

54%
219

54%
11

53%
4102

53%
1032

53%
196

52%
40

50%
56

50%
46

50%
14

50%
8

50%
6

50%
4

50%
2

50%
2

50%
2

50%
2

50%
2

49%
476

49%
277

49%
61

48%
90

48%
37

47%
21

46%
32

45%
114

45%
80

45%
57

45%
11

44%
25

41%
109

40%
10

40%
5

38%
18

36%
55

36%
11

33%
6

33%
6

33%
3

25%
4

24%
25

0%
3

0%
3

0%
1

0%
1

0%
1

0%
1

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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