The graphs give information about which environmental issues three nationalities feel are the most concerning. Overall, people from Singapore and Zambia are most concerned about overpopulation, while Cameroonian people are more concerned with waste disposal. In Zambia, pollution and waste disposal are equally causing the least concern, whereas the other countries see pollution as the least concerning.
Overpopulation is the biggest concern in Singapore with 37% of citizens worrying, followed by global warming at 26%. Waste disposal can be seen to concern 21%, while Singaporean people are least concerned by pollution, which has a percentage of 16%. Similarly, Zambian people also see overpopulation as the most concerning and global warming as the second-most concerning environmental problem, with respective figures accounting for 43% and 29%, respectively. However, in Zambia, waste disposal and pollution have the same percentage of 14%.
In contrast, the environmental issue causing the most concern in Cameroon is waste disposal at 42%, followed by overpopulation with the next highest percentage of 23%. Global warming had a figure of 19% amongst Cameroonians, and pollution is causing the least concern with 16%.