In 2025, Marriott International 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).
Marriott International has also provided a category-level breakdown for 7 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 | 1,265,087a | 1,273,630b | 1,226,161c | |
Total Scope 2 | ||||
Market-Based | 5,360,469a | 5,364,156b | 5,130,607c | |
Location-Based | 5,358,226a | 5,370,293b | 5,161,693c | |
Total Scope 3 | 24,654,082a | 12,097,741b | 12,037,721c | |
Total Scope 1 Revenue Intensity (tCO2e/$M) | 48.3116a | 50.7422b | 51.7084c |
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In 2025, the total operational greenhouse gas (GHG) emissions of Marriott International amounted to 6,623,313 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 Marriott International decreased by 0.31%, showing that the company has made progress in taking action to reduce the climate impact of its operations.ab
In 2025, the total Scope 1 emissions of Marriott International were 1,265,087 metric tons of CO₂ equivalent (tCO₂e).a
Since 2019, Marriott International's Scope 1 emissions have decreased by 3.65%, reflecting a declining long-term trend in Scope 1 emissions over time.ab
Compared to the previous year (2024), Marriott International's Scope 1 emissions remained relatively stable, indicating that Marriott International's emissions have plateaued with no significant change in its operational footprint.ab
In 2025, Marriott International reported Scope 2 greenhouse gas (GHG) emissions of 5,360,469 tCO₂e using the market-based method and 5,358,226 tCO₂e using the location-based method.a
Since 2019, Marriott International's Scope 2 greenhouse gas (GHG) emissions (Location-Based) have remained relatively stable, indicating that Marriott International's emissions have plateaued with no significant change in its energy consumption footprint.ab
Compared to the previous year (2024), Marriott International's Scope 2 emissions (Location-Based) have remained relatively stable, indicating that Marriott International's emissions have plateaued with no significant change in its energy consumption footprint.ab
In 2025, Marriott International reported its Scope 2 emissions using the market-based method and using the location-based method.a
In 2025, Marriott International reported 24,654,082 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 Marriott International includes a breakdown across 6 of the 15 Scope 3 categories defined by the GHG Protocol, up from 0 in 2024, reflecting improved emissions accounting practices and greater transparency across the company's value chaina
In 2025, Marriott International reported total Scope 3 emissions of 24,654,082 metric tons of CO₂ equivalent (tCO₂e).a
Approximately 52.7% of these emissions originated from upstream activities such as purchased goods and capital goods, while 47.3% came from downstream activities like product use, distribution, and end-of-life treatment.a
Since 2019, Marriott International's Scope 3 emissions have increased by 84.89%, reflecting a rising long-term trend in Scope 3 emissions over time.ab
Compared to the previous year (2024), Marriott International's Scope 3 emissions increased by 103.79%, suggesting that the company faced challenges in reducing emissions across its value chain.ab
In 2025, Marriott International reported emissions for 6 out of the 15 Scope 3 categories defined by the GHG Protocol.a
This partial disclosure allows for some insight into the company's indirect impacts.
In 2025, the largest contributors to Marriott International's Scope 3 emissions were:a
In 2025, Marriott International reported Scope 1 greenhouse gas (GHG) emissions of 1,265,087 tCO₂e and total revenues of USD 26,186 millions. This translates into an emissions intensity of 48.31 tCO₂e per millions USD.a
In 2025, Marriott International reported a Scope 1 emissions intensity of 48.31 tCO₂e per millions USD. Compared to the peer group median of 24.9, this places the company above its industry benchmark, indicating it is less carbon-efficient than most competitors.a
In 2025, Marriott International ranked 18 out of 24 companies in its industry peer group, based on Scope 1 emissions intensity (measured in tCO₂e per millions USD).a
Marriott International is therefore positioned in the mid-range of its industry, neither a clear leader nor a laggard in carbon efficiency.a
In 2025, Marriott International reported a total carbon footprint of 31,277,395 metric tons of CO₂ equivalent (tCO₂e) across Scope 1, Scope 2, and Scope 3 emissions. This represents a 66.89% increase compared to 2024, suggesting a rise in emissions across its operations or value chain.ab
The largest contributor to Marriott International's total carbon footprint was Scope 3 emissions, accounting for 78.82% of the company's total carbon footprint, followed by Scope 2 emissions at 17.13%.a