Temporal Trends in Gender-Affirming Hormone Therapy Use: Evidence from whole-of-population Australian administrative data

Melbourne Institute Working Paper No. 04/25

Date: July 2025

Author(s):

Karinna Saxby
Brendan Nolan

Abstract

Using longitudinal national prescribing data, we estimated the number of transgender and gender diverse individuals initiating gender-affirming hormone therapy (GAHT) from 2013–2024 in Australia. Between 2013 and 2024, 11,431 individuals initiated masculinising GAHT and 20,592 initiated feminising GAHT. Initiation rose from 1,147 in 2013 to 4,610 in 2024, with a growing share accessing masculinising GAHT over time. Our findings align with international trends, suggesting increasing demand among younger populations. This highlights the need for specialised, accessible gender-affirming care in Australia, and underscores the importance of improved data collection to inform health policy and clinical practice.

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