Survey on trans youth in Australia from 2016 https://www.thekids.org.au/globalassets/media/documents/brain--behaviour/trans-pathways-summary.pdf
Discrimination of Trans People in Workforce https://williamsinstitute.law.ucla.edu/publications/impact-eo-nd-federal-workers/
Study of Twins who may be Transgender - https://www.nature.com/articles/s41598-022-17749-0 . A twin of Identical twins of same sex can be transgender (https://archive.ph/b7K0x#selection-1699.0-1704.0)
Genetic Link Between Gender Dysphoria and Sex Hormone Signaling - Gender dysphoria may have an oligogenic component, with several genes involved in sex hormone–signaling contributing. Study found statistical significance of genes correlating with transgenderism (mtf, Caucasian specifically). https://academic.oup.com/jcem/article/104/2/390/5104458