It shows the individual values as they compare to the whole. Rectangles are arranged to maintain hierarchy.

Tutorials and Guides


Comparing the potential cost of Medicare for everyone

For The Upshot, Josh Katz, Kevin Quealy, and Margot Sanger-Katz, consulted economists to…

How We Spend Our Money, a Breakdown

We know spending changes when you have more money. Here's by how much.

Jobs Charted by State and Salary

Jobs and pay can vary a lot depending on where you live, based on 2013 data from the Bureau of Labor Statistics. Here's an interactive to look.

Treemap art

Ben Shneiderman invented the treemap in the 1990s to visualize the hierarchical contents…

Exploratory treemap for Obama’s 2012 budget proposal

It’s that time of year again. Obama recently released his 2012 budget proposal…

Watching the Pulse of the Olympics on Twitter

The Olympics are in full swing, so of course Twitter is abuzz with…