[ben_w]

"Overwhelmingly" may be correct everywhere, or it may be limited to just developed nations — I visited Nairobi a decade ago, and that city varies wildly from "this is very nice" to "this slum appears to have been built on a landfill and the ground is accidentally paved with plastic that was repeatedly trodden into the dirt".

However, even in developed nations, the quantity is large enough that the remainder is an observable issue: around the same time as my visit to Nairobi, 10 years ago, the UK introduced a minimum price for plastic bags (then 5p, increased in 2021 to 10p), to reduce bag usage, because it's just so easy to just not care enough about free things to make sure they end up in landfill (or recycling): https://www.gov.uk/government/publications/single-use-plasti...