Line Chart

Typically used to show trends over time, the slope of the line between two points shows patterns of change.

Tutorials and Guides

Examples

Divorce Rates and Income

Divorce rates are tied to job security, age, and occupation, so it should make sense that we see a pattern when we plot divorce rates against income.

How your state might lose or gain representation with Census count

Harry Stevens, Tara Bahrampour and Ted Mellnik for The Washington Post look at…

Tooth Fairy Exchange Rate

Calculating how much money a kid gets after exchanging all twenty baby teeth.

Improving vaccine distribution in all states

Lauren Leatherby and Amy Schoenfeld Walker reporting for The New York Times: “Every…

Red counties mostly stayed red

For The New York Times, Denise Lu and Karen Yourish looked at the…

Spike past 100k Covid-19 cases in a day

Meanwhile… based on estimates from The COVID Tracking Project, the United States had…

Political search interest in 2020

In Waves of Interest, a collaboration between the Google News Initiative and Truth…

Visual tour through the technology hype cycle

The Gartner hype cycle is a graphical representation of where certain technologies are…

Covid-19, the third leading cause of death

For Scientific American, Youyou Zhou made a line chart that shows cause of…

Redefining Old Age

What is old? When it comes to subjects like health care and retirement, we often think of old in fixed terms. But as people live longer, it's worth changing the definition.

Visits to businesses compared year-over-year in each state

Businesses are still seeing visits mostly down compared to last year, which shouldn’t…

Analyzing the topics of cable TV news

From the Computer Graphics Lab at Stanford University, the results from an analysis…

Vote-by-mail volume compared against years past

The volume of mail-in ballots will likely be higher than usual this year,…

Finding the New Age, for Your Age

You've probably heard the lines about how "40 is the new 30" or "30 is the new 20." What is this based on? I tried to solve the problem using life expectancy data. Your age is the new age.

Defining ’90s music, based on song recognition

In search of songs that define music in the 1990s, Matt Daniels and…

Comparing U.S. coronavirus case rates to other hot spots

The numbers are high here in the United States, and at this point,…