* Scenarios are defined by the source as follows:
RCP 2.6: Radiative forcing value in the year 2100 is 2.6 watts/m2. CO2- equivalent atmospheric concentration reaches 421 parts per million. Mean global temperature increases by 1°C over the base period.
RCP 4.5. Radiative forcing value in the year 2100 is 4.5 W/m2. CO2-equivalent atmospheric concentration reaches 538 parts per million. Mean global temperature
increases by 1.9°C over the base period.
RCP 6.0. Radiative forcing value in the year 2100 is 6.0 W/m2. CO2-equivalent atmospheric concentration reaches 670 parts per million. Mean global temperature increases by 2.4°C over the base period.
RCP 8.5. Radiative forcing value in the year 2100 is 8.5 W/m2. CO2-equivalent atmospheric concentration reaches 936 parts per million. Mean global temperature increases by 4.1°C over the base period.
Base period: 1986 to 2005
Citation formats
Impact on global economy due to climate change by scenario Q4 2048
Climate change is a phenomenon which has been evident since the Industrial Revolution and has progressed more quickly over the last decades. It has environmental, human health, social, political and economic implications worldwide. A forecast for the end of 2048 indicates that several countries globally would face a negative deviation from their baseline GDP. Based on this projection for **, Saudi Arabia is projected to experience a decrease of almost ** percent in its real GDP, in a scenario where global temperatures increase by *** degrees Celsius, compared to the period from 1986 to 2005.
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Moody's. (July 9, 2019). Deviation of real GDP from baseline due to climate change in select countries worldwide by Q4 2048, by scenario* [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 23, 2026, from /statistics/1033047/deviation-real-gdp-globally-climate-change-by-scenario/
Moody's. "Deviation of real GDP from baseline due to climate change in select countries worldwide by Q4 2048, by scenario*." Chart. July 9, 2019. ÌÇÐÄÆÆ½â°æ. Accessed July 23, 2026. /statistics/1033047/deviation-real-gdp-globally-climate-change-by-scenario/
Moody's. (2019). Deviation of real GDP from baseline due to climate change in select countries worldwide by Q4 2048, by scenario*. ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 23, 2026. /statistics/1033047/deviation-real-gdp-globally-climate-change-by-scenario/
Moody's. "Deviation of Real Gdp from Baseline Due to Climate Change in Select Countries Worldwide by Q4 2048, by Scenario*." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 9 Jul 2019, /statistics/1033047/deviation-real-gdp-globally-climate-change-by-scenario/
Moody's, Deviation of real GDP from baseline due to climate change in select countries worldwide by Q4 2048, by scenario* ÌÇÐÄÆÆ½â°æ, /statistics/1033047/deviation-real-gdp-globally-climate-change-by-scenario/ (last visited July 23, 2026)
Deviation of real GDP from baseline due to climate change in select countries worldwide by Q4 2048, by scenario* [Graph], Moody's, July 9, 2019. [Online]. Available: /statistics/1033047/deviation-real-gdp-globally-climate-change-by-scenario/