Global Trees Knowledge Test
Since 2013, we have been measuring the global knowledge about trees through the online quiz game.
The results are based on 356709 answers to questions in category trees, given by players from 145 countries.
This test has questions in the following languages: French language, Italian language, German language, Polish language, Ukrainian language, Russian language, Portuguese language, English language, Spanish language and Dutch language.
Results by country
Results by gender