In every country, the 2018 Perils of Misperception study found that people underestimated how many women are sexually harassed. Every country overestimated how many people are unemployed. The majority of countries hugely overestimated levels of immigration. Malaysians are too optimistic about how much of their energy comes from renewable sources such as wind or solar power.  The British think 18- to 29-year-olds are having three to four times more sex than they actually do.

Survey: Perceptions worldwide are wrong about nearly everything

The world is not as bad as most people think it is