I do not really participate here, because of my very bad English :-(((
I am a very active member of the Esperanto-Wp, and sometimes I write for the German Wp too.
... 65 years of age or older. The median age is 41 years. For every 100 females there are 98.0 males. For every 100 females age 18 and over, there are 96.5 males. The median ...