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

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,…

Unemployment for different groups

Unemployment has hit the United States hard over the past several months, for…

Bitcoin scam, Twitter hacked

Twitter was hacked yesterday. Over a few hours, prominent accounts were tweeting that…

Restaurant Reopenings, a Comparison to Last Year

Restaurants are reopening for dining across the United States. Some states are doing it faster than others.

Occupation Growth and Decline

We looked at shifts in job distribution over the past several decades, but it was difficult to see by how much each occupation group changed individually. This chart makes the changes more obvious.

Saving for Retirement and Age

People tend to have more money saved up over time, but range and variation also grow, and often it’s not enough.

Bachelor’s Degree Movers

As industries change and interests shift, some bachelor's degrees grow more popular while others become less so.

Billions at the Franchise Box Office

There's big money in wizarding worlds, galaxies far away, and various time-shifted universes. Let's take a stroll through the billions of dollars earned by franchises over the years.