
Global Light Knowledge Test
Since 2013, we have been measuring the global knowledge about light through the online quiz game.
The results are based on 261483 answers to questions in category light, given by players from 151 countries.
This test has questions in the following languages:
Ukrainian language, French language, German language, Dutch language, English language, Polish language, Romanian language, Portuguese language, Spanish language, Russian language and Italian language.
Results by country
Results by gender

30.4% | /67523 |

17.1% | /60895 |
Origin of answers
Answers distribution by gender:
gender
men
52%
67523
women
48%
60895
Answers distribution by language:
language
Ukrainian language
0%
27
French language
0%
110
German language
3%
9033
Dutch language
0%
89
English language
10%
27504
Polish language
84%
221387
Romanian language
0%
0
Portuguese language
0%
62
Spanish language
0%
1080
Russian language
0%
1084
Italian language
0%
1107
Answers distribution by country:
country

84%
220964

3%
8535

2%
7785

2%
7397

1%
3397

0%
1326

0%
1298

0%
994

0%
975

0%
777
Quiz size
Number of active questions per language:
language
Ukrainian language
1%
1
French language
1%
1
German language
19%
16
Dutch language
1%
1
English language
25%
21
Polish language
40%
34
Romanian language
1%
1
Portuguese language
1%
1
Spanish language
2%
2
Russian language
4%
4
Italian language
1%
1