$$c$)$ How could the display be$$ improved?

A$.$

Start the percentages at $45\mathrm{.}31\%$ on the vertical$$ axis, not$40\%.$

B$.$

Sort the countries based on population.

C$.$

Start the percentages at$0\%$ on the vertical$$ axis, not$40\%.$

D$.$

Include more countries in the survey.