Nested proportions
By BrokenSphere - Own work, CC BY-SA 3.0, Link
Part of a whole, broken down into parts of that part, etc.
For example: percent of households in the country with access to electricity, by region and by urban/rural
By BrokenSphere - Own work, CC BY-SA 3.0, Link
Part of a whole, broken down into parts of that part, etc.
For example: percent of households in the country with access to electricity, by region and by urban/rural