In 2021, nearly one in five people in Canada could have a conversation in both official languages. How has this changed over time? Comes with a follow-up assignment for grades 7-10+ that asks students to analyze how using total count of people vs a rate shapes our understanding, and then make a new data visualization. in English + Français
How much sugar is there in a miniature candy bar? Compare different "fun size" bars using a scaled pictograph.
Is Congress still getting older? Look at the average age by Congressional body (Senate, House) at the start of the session, over time. What factors might be contributing to this?
The music industry makes more money from individual songs than from the sales of albums -- but that wasn't always true. When did it change, and what may have impacted this shift?
LeBron James' Salary By Season (2003-2028)graph from Sportico/Lev Akabas; slow reveal by Jenna Laib Type of Graph: bar graph Purpose This slow reveal is designed to support analysis and discussion of both the data and the design choices. The questions in the slide deck invite learners to identify trends, estimate values, and compare values, as… Continue reading LeBron James’ Salary By Season (2003-2028)
How many times have different country's teams appeared in the FIFA World Cup? Updated for 2026!
"It's Not Just a Trend -- It's a Phenomenon": AI-Signifying Sentence Structure in Corporate Documents Doubled From 2024 to 2025
The End of an Era: Percentage of #1 Hit Songs with a Key Change
Across the World, Readers Prefer Printed Books to eBooks
Global Access to Electricity, 2000 - 2023 The global number of people without access to electricity has halved since 2000, but it has increased in Sub-Saharan Africa.
Popularity of Selected Names in the US, 1900 - 2020
Public Transportation Use in Metro Areas of North America
Change in Oil Price in First 60 Days of Major Geopolitical Events (21st century)
Apple Has Reinvented Its Business Every Decade Since the '90s (English + Français)
Winners of the Caldecott Medal and Newbery Award in the 21st Century, by Gender (2001-2025)
Winners of the Caldecott Medal and Newbery Award in the 21st Century, by Gender (2001-2025)
Fraction of the moon's nearside that is visible over 64 day cycle
Average Lifespan of Some Long-Living Animals
Highest-Paid Athletes in the World: Comparing Salary/Winnings with Endorsements
Women's Political Power: Number of Countries that Have Had a Women Head of State or Government
