Optical illusions knowledge map
The current map is based on 467320 answers.
Number of active questions per language
language
number of questions
English language (optical illusions)
15
Polish language (iluzje optyczne, złudzenia optyczne)
14
Russian language (оптические иллюзии)
6
Italian language (illusioni ottiche)
1
German language (optische Täuschungen)
11
Ukrainian language (оптичні ілюзії)
6
Polish language (iluzje optyczne, złudzenia optyczne)
11
Results
Country
Results
answers

100%
6

100%
3

100%
3

100%
3

100%
2

100%
2

100%
2

100%
2

100%
2

100%
1

100%
1

100%
1

100%
1

87%
8

83%
12

83%
6

79%
29

78%
61

78%
52

75%
49

75%
33

75%
12

74%
183

74%
27

73%
84

73%
52

73%
41

72%
65

71%
14

70%
257

70%
111

70%
77

70%
71

70%
68

70%
37

70%
20

69%
201

69%
88

68%
442305

68%
288

68%
95

68%
73

68%
45

67%
95

66%
1480

66%
93

66%
3

65%
8956

65%
789

65%
91

65%
90

65%
47

64%
2650

64%
145

64%
132

64%
45

64%
14

63%
631

63%
313

63%
58

63%
47

63%
46

63%
19

62%
124

62%
35

61%
308

61%
187

60%
417

60%
50

60%
40

59%
665

58%
90

58%
43

58%
36

58%
17

57%
167

57%
49

57%
7

56%
87

56%
44

55%
210

55%
116

55%
98

55%
96

54%
53

53%
2977

53%
157

53%
99

53%
15

51%
33

50%
28

50%
18

50%
18

50%
16

50%
4

50%
4

50%
2

50%
2

50%
2

50%
2

50%
2

49%
395

48%
70

48%
70

47%
42

47%
36

45%
11

44%
74

42%
7

40%
5

40%
5

36%
11

33%
6

33%
6

33%
6

16%
6

0%
3

0%
3

0%
2

0%
1

0%
1

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
The results are released under the CC-attribution license.
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