The claim that it takes thousands of years for plastic to start breaking down and that around 40% of all plastic is used for just a few minutes before disposal is largely supported by scientific and environmental sources.
SHOCKING FACT: It takes THOUSANDS of years for plastic to start breaking down, yet 40% of all plastic is used for just a few minutes before it’s thrown away.

FactVerify
Source: factverify.com
What the Evidence Shows
The claim has two main components: the longevity of plastic degradation and the proportion of plastic used briefly before disposal. Regarding degradation, plastics are known to take hundreds to thousands of years to break down. While exact timelines vary depending on the type of plastic and environmental conditions, sources indicate that plastics can persist for centuries or longer. For example, one source mentions plastics taking around 400 years to decompose, and scientific methods such as UV-degradation testing support predictions of very long degradation periods. This aligns with the claim's assertion about 'thousands of years' as a general estimate, acknowledging some variability.
On the usage aspect, multiple reputable sources confirm that a significant portion of plastic production is for single-use items. National Geographic states that single-use plastics account for 40% of all plastic produced annually, which matches the claim's figure. Other sources note that about half of all plastic produced is designed for single use and then discarded shortly after, reinforcing the idea that a large fraction of plastic is used only briefly.
Overall, while the exact number of years for plastic to break down can vary and may sometimes be cited as hundreds rather than thousands, the claim's general message about the long-lasting nature of plastics and the high percentage used briefly before disposal is accurate and well-supported by evidence.