Interesting facts:

The Esperanto wikipedia has 112,084 users. There are 6,703 active users.

Right now, the Esperanto wikpedia has more articles than Danish, Hebrew, Greek, Hindi, Cantonese, Yiddish, and Classical Chinese

Total users / Esperanto users = 19%
112084 / 58279234 = 19%
Keep in mind that these users may contribute to many wikis if they speak many languages. Their main contributions may be to the German wiki, for example.

https://meta.wikimedia.org/wiki/List_of_Wikipedias