Annual Carbon Dioxide (CO2) Emissions, Top 10 Most Populous Countries of 2025
graph by Our World in Data; slow reveal by Jenna Laib
Type of Graph: Line 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 examine trends, relationships, and possible interpretations. This graph deals with very large numbers, asking students to estimate and compare values.
About This Graph
This visualization is not provided for reuse or redistribution. Readers and educators are encouraged to view the original visualization in its published context.
Original Visualization: “Data Page: Annual CO₂ emissions”, part of the following publication:
Hannah Ritchie, Pablo Rosado, and Max Roser (2023) – “CO₂ and Greenhouse Gas Emissions”. Data adapted from Global Carbon Project. Retrieved from https://archive.ourworldindata.org/20251204-133459/grapher/annual-co2-emissions-per-country.html [online resource] (archived on December 4, 2025).
Data Source: Global Carbon Budget (2025) – with major processing by Our World in Data. “Annual CO₂ emissions” [dataset]. Global Carbon Project, “Global Carbon Budget v15” [original data]. Retrieved December 26, 2025 from https://archive.ourworldindata.org/20251204-133459/grapher/annual-co2-emissions-per-country.html (archived on December 4, 2025).
In The Classroom
There are many different mathematical connections that can be made to this data and data visualization.
Potential Math Content: line graphs, large numbers, comparing trends, estimating values, comparing values
Potential Content Connections: population, climate crisis, CO2 emissions, pollution, international
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