Among younger American adults, some 44 percent believe that climate change has affected the world a great deal over the last 10 years, based on a December 2019 survey. Similarly, 45 percent of respondents that were 65 years and older thought the same thing.
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Opinion on the extent of global effects of climate change among U.S. adults as of December 2019, by age group*
Age
A great deal
Some
Not at all
Not sure
18-29 years
44%
24%
8%
23%
30-44 years
41%
27%
13%
20%
45-64 years
38%
27%
23%
12%
65 years and older
45%
23%
27%
5%
0%25%50%75%100%125%
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YouGov. (January 1, 2020). Opinion on the extent of global effects of climate change among U.S. adults as of December 2019, by age group* [Graph]. In Statista. Retrieved June 27, 2025, from https://www.statista.com/statistics/1103037/us-adults-on-climate-change-affecting-the-world-by-age-group/
YouGov. "Opinion on the extent of global effects of climate change among U.S. adults as of December 2019, by age group*." Chart. January 1, 2020. Statista. Accessed June 27, 2025. https://www.statista.com/statistics/1103037/us-adults-on-climate-change-affecting-the-world-by-age-group/
YouGov. (2020). Opinion on the extent of global effects of climate change among U.S. adults as of December 2019, by age group*. Statista. Statista Inc.. Accessed: June 27, 2025. https://www.statista.com/statistics/1103037/us-adults-on-climate-change-affecting-the-world-by-age-group/
YouGov. "Opinion on The Extent of Global Effects of Climate Change among U.S. Adults as of December 2019, by Age Group*." Statista, Statista Inc., 1 Jan 2020, https://www.statista.com/statistics/1103037/us-adults-on-climate-change-affecting-the-world-by-age-group/
YouGov, Opinion on the extent of global effects of climate change among U.S. adults as of December 2019, by age group* Statista, https://www.statista.com/statistics/1103037/us-adults-on-climate-change-affecting-the-world-by-age-group/ (last visited June 27, 2025)
Opinion on the extent of global effects of climate change among U.S. adults as of December 2019, by age group* [Graph], YouGov, January 1, 2020. [Online]. Available: https://www.statista.com/statistics/1103037/us-adults-on-climate-change-affecting-the-world-by-age-group/
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