Space between gpplot2 horizontal legend elements

Question

I have a ggplot2 plot as follows:

library(ggplot2)

ggplot(mtcars, aes(factor(cyl), fill=factor(cyl))) + 
    geom_bar() +
    coord_flip() +
    theme(legen         


        

Answer 1

With ggplot2 v3.0.0, we can use legend.spacing.x to manipulate the space between legend keys.

library(ggplot2)

ggplot(mtcars, aes(factor(cyl), fill = factor(cyl))) + 
  geom_bar() +
  coord_flip() +
  theme(legend.position = 'top') +
  guides(fill = guide_legend(title = "Cyl")) +
  theme(legend.spacing.x = unit(0.5, 'cm'))

Created on 2018-05-30 by the reprex package (v0.2.0).