::: {.cell hash='08_Maps_cache/revealjs/africa-population-2_deb7068507a703bd004c3e484d26ac5a'}

```{.r .cell-code}
ggplot() +
  geom_sf(
    data=filter(africa, 
                pop_year == 2019),   
    mapping=aes(
      fill=as.numeric(pop_est))
  ) 
```
:::