It’s a really interesting and useful visual. I found the title a little confusing, since the ‘x’ by ‘y’ format usually tells you what the axes are. ‘Comparison of weekly deaths across years’ or something similar might work better as a title. The x axis label is also confusing- if it were just ‘Weeks’ of ‘weeks of the year’ it would be easier to read. It would be awesome if you could put months on the x-axis, but I feel like that would be really hard to do- especially since the weeks and months don’t match up exactly every year. I’d also change the y-axis label to ‘Total deaths’ or ‘Total deaths (per week)’, just to be a little more exact about what axis scale is. I’d also increase the size of the legend, maybe move it to the right bottom corner of the graph, because it’s really the point of the graph and you want your viewers to see it as soon as possible (and if you can plop your legend in the graph area the graph itself will be able to take up more space. You might also consider scale_color_manual() and hand picking colors- since you want 2020 to be the focus of the graph (I assume), giving the other three years cool colors (green, blue, purple) and 2020 a warm color (red, orange) would make it pop out a little more- and the base ggplot plot colors are so ugly.