In 2025, Medibank completed a corporate carbon footprint assessment and publicly disclosed its greenhouse gas (GHG) emissions according to the GHG Protocol, covering Scope 1 (direct emissions from owned or controlled sources), Scope 2 (indirect emissions from purchased energy) and Scope 3 (indirect emissions across the value chain).
Medibank has also provided a category-level breakdown for 10 out of 15 Scope 3 emissions categories, offering greater transparency into its value chain emissions.
| Metric (tCO2e) | 2025 | 2024 | 2023 | 2022-2019 |
|---|---|---|---|---|
Total Scope 1 | 57.9a | 68.7a | 71.3a | |
Total Scope 2 | ||||
Market-Based | 1,532.3a | 3,761.5a | 1,575.6a | |
Location-Based | N/A | N/A | N/A | |
Total Scope 3 | 30,810.5a | 22,965.7a | 17,720.4a | |
Total Scope 1 Revenue Intensity (tCO2e/$M) | 0.0103a | 0.0128a | 0.0143a |
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In 2025, the total operational greenhouse gas (GHG) emissions of Medibank amounted to 1,590.2 metric tons of CO2 equivalent. This figure includes both direct emissions from owned or controlled sources (Scope 1) and indirect emissions from purchased energy (Scope 2).a
Compared to 2024, the total operational greenhouse gas (GHG) emissions of Medibank decreased by 58.48%, showing that the company has made progress in taking action to reduce the climate impact of its operations.a
In 2025, the total Scope 1 emissions of Medibank were 57.9 metric tons of CO₂ equivalent (tCO₂e).a
Since 2021, Medibank's Scope 1 emissions have decreased by 55.63%, reflecting a declining long-term trend in Scope 1 emissions over time.a
Compared to the previous year (2024), Medibank's Scope 1 emissions decreased by 15.72%, highlighting the company's efforts to lower direct emissions from assets it owns or controls.a
In 2025, Medibank reported Scope 2 greenhouse gas (GHG) emissions of 1,532.3 tCO₂e using the market-based method.a
Since 2021, Medibank's Scope 2 greenhouse gas (GHG) emissions (Market-Based) have decreased by 76.69%, reflecting a declining long-term trend in Scope 2 emissions over time.a
Compared to the previous year (2024), Medibank's Scope 2 emissions (Market-Based) fell by 59.26% in 2025, showing that the company has made progress in taking action to reduce the climate impact of its energy consumption.a
In 2025, Medibank reported its Scope 2 emissions using the market-based method.a
In 2025, Medibank reported 30,810.5 metric tons of CO₂ equivalent (tCO₂e) of Scope 3 greenhouse gas (GHG) emissions, representing indirect emissions across its upstream and downstream value chain.a
The 2025 disclosure of Medibank includes a breakdown across 10 of the 15 Scope 3 categories defined by the GHG Protocol, matching the level of disclosure in 2024, demonstrating consistent Scope 3 emissions reporting coverage year over year.a
In 2025, Medibank reported total Scope 3 emissions of 30,810.5 metric tons of CO₂ equivalent (tCO₂e).a
Approximately 100% of these emissions originated from upstream activities such as purchased goods and capital goods, while 0% came from downstream activities like product use, distribution, and end-of-life treatment.a
Since 2021, Medibank's Scope 3 emissions have increased by 47.85%, reflecting a rising long-term trend in Scope 3 emissions over time.a
Compared to the previous year (2024), Medibank's Scope 3 emissions increased by 34.16%, suggesting that the company faced challenges in reducing emissions across its value chain.a
In 2025, Medibank reported emissions for 10 out of the 15 Scope 3 categories defined by the GHG Protocol.a
This reflects a high level of granularity and transparency in the company's emissions reporting.
In 2025, the largest contributors to Medibank's Scope 3 emissions were:a
In 2025, Medibank reported Scope 1 greenhouse gas (GHG) emissions of 57.9 tCO₂e and total revenues of USD 5,621 millions. This translates into an emissions intensity of 0.01 tCO₂e per millions USD.a
In 2025, Medibank reported a Scope 1 emissions intensity of 0.01 tCO₂e per millions USD. Compared to the peer group median of 0.11, this places the company below its industry benchmark, indicating it is more carbon-efficient than most competitors.a
In 2025, Medibank ranked 4 out of 23 companies in its industry peer group, based on Scope 1 emissions intensity (measured in tCO₂e per millions USD).a
This places Medibank among the top performers, with one of the lowest emissions intensities relative to peers.a
In 2025, Medibank reported a total carbon footprint of 32,400.7 metric tons of CO₂ equivalent (tCO₂e) across Scope 1, Scope 2, and Scope 3 emissions. This represents a 20.92% increase compared to 2024, suggesting a rise in emissions across its operations or value chain.a
The largest contributor to Medibank's total carbon footprint was Scope 3 emissions, accounting for 95.09% of the company's total carbon footprint, followed by Scope 2 emissions at 4.73%.a