Difference Chart

Fill the space between lines to highlight the greater-than and less-than differences over time.

Tutorials and Guides

Examples

Hospitalization rates for the unvaccinated

Overall, Covid-19 cases and hospitalizations are down in the United States, but much…

Tracking airfare as a proxy for summer travel plans

Quoctrung Bui and Sarah Kliff for NYT’s The Upshot used difference charts to…

Excess deaths, by race

It’s clear that Covid-19 has affected groups differently across the United States. By…

Cases vs. testing

There have been assertions that increased case counts are all from increased testing.…

The Most Gender-Switched Names in US History

We use some names mostly for boys and some mostly for girls, but then there is a small percentage that, over time, switched from one gender to another. Which names made the biggest switch?

Most Female and Male Occupations Since 1950

The shifting majorities of the sexes in the workplace.