"including the USA" can be read as a qualifying statement that those murders include people in the USA, not necessarily that trans people are murdered on a daily basis in the USA.

Yes there are about as many trans men as trans women, but trans women are at a higher risk of violence.

Here's some more reading: https://www.hrc.org/resources/violence-against-the-transgend... https://en.wikipedia.org/wiki/List_of_unlawfully_killed_tran...