Sea levels are projected to rise in the United States across various Shared Socioeconomic Pathways (SSP). Under the SSP1-2.6 scenario, it is projected that U.S. sea levels will rise 7.71 centimeters (cm) during the next decades, and 15.99 cm by the mid-century, relative to historic baseline. Sea levels will continue rising to reach 31.96 cm by 2099, following the same scenario.
Sea level rise projections in the United States in time frames from 2020 to 2099, by emission scenario
(in centimeters)
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Sea level rise projections in the United States in time frames from 2020 to 2099, by emission scenario
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Shared Socioeconomic Pathways (SSP): SSP1-1.9: very low GHG emissions - CO₂ emissions cut to net zero around 2050. SSP1-2.6: low GHG emissions - CO₂ emissions cut to net zero around 2075. SSP2-4.5: intermediate GHG emissions - CO₂ emissions around current levels until 2050, then falling but not reaching net zero by 2100: SSP3-7.0: high GHG emissions - CO₂ emissions double by 2100. SSP5-8.5: very high GHG emissions - CO₂ emissions triple by 2075.
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UNDP. (February 26, 2024). Sea level rise projections in the United States in time frames from 2020 to 2099, by emission scenario (in centimeters) [Graph]. In Statista. Retrieved June 01, 2025, from https://www.statista.com/statistics/1453469/sea-level-rise-projection-in-the-us-by-scenario/
UNDP. "Sea level rise projections in the United States in time frames from 2020 to 2099, by emission scenario (in centimeters)." Chart. February 26, 2024. Statista. Accessed June 01, 2025. https://www.statista.com/statistics/1453469/sea-level-rise-projection-in-the-us-by-scenario/
UNDP. (2024). Sea level rise projections in the United States in time frames from 2020 to 2099, by emission scenario (in centimeters). Statista. Statista Inc.. Accessed: June 01, 2025. https://www.statista.com/statistics/1453469/sea-level-rise-projection-in-the-us-by-scenario/
UNDP. "Sea Level Rise Projections in The United States in Time Frames from 2020 to 2099, by Emission Scenario (in Centimeters)." Statista, Statista Inc., 26 Feb 2024, https://www.statista.com/statistics/1453469/sea-level-rise-projection-in-the-us-by-scenario/
UNDP, Sea level rise projections in the United States in time frames from 2020 to 2099, by emission scenario (in centimeters) Statista, https://www.statista.com/statistics/1453469/sea-level-rise-projection-in-the-us-by-scenario/ (last visited June 01, 2025)
Sea level rise projections in the United States in time frames from 2020 to 2099, by emission scenario (in centimeters) [Graph], UNDP, February 26, 2024. [Online]. Available: https://www.statista.com/statistics/1453469/sea-level-rise-projection-in-the-us-by-scenario/
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