The Kurzgesagt shop has lots of infographic posters, about topics like life, the universe, and everything.

It would be great to have some in this sort of style for the sorts of datasets found on Our World in Data - their charts are really cool but not the most aesthetically-pleasing.

Some candidates would be:
1) this chart about the long-term future (from this page)
2) something like the graph on the EA homepage which has the underlying data available here
3) other optimistic charts like these
4) something with a powerful message/slogan to go with it, such as this