What You'll Get
A double line graph (also called a dual line graph) displays two related data series on the same chart, making it easy to compare trends, patterns, or performance between two categories over time.
Unit: Millions
Side-by-side comparisons
Compare two products, regions, or time periods at a glance.
Clear trend insights
Identify correlations and differences quickly and accurately.
Export-ready formats
Download as PNG or JPEG for reports and presentations.
How to Create a Double Line Graph
Prepare Your Data
Organize your data in two columns
Paste or Upload Data
Copy from Excel, Google Sheets, or CSV
Customize Your Chart
Change titles, labels, and colors.
Export
Download as PNG, SVG.
Example Data
The Great Shift: Streaming vs Cable TV (2014–2024)
| Year | Streaming Subscribers | Cable TV Subscribers |
|---|---|---|
| 2014 | 87 | 95 |
| 2015 | 92 | 94 |
| 2016 | 98 | 93 |
| 2017 | 110 | 91 |
| 2018 | 124 | 88 |
| 2019 | 139 | 85 |
| 2020 | 162 | 78 |
| 2021 | 178 | 72 |
| 2022 | 190 | 66 |
| 2023 | 205 | 60 |
| 2024 | 218 | 55 |
Unit: Millions
Sources: Statista, Nielsen, Leichtman Research Group, Motion Picture Association (MPA Theme Reports).
Copy this sample data to test your double line graph:
Tips for Effective Double Line Graphs
Choose contrasting colors
Choose contrasting colors for each line to improve readability.
Use solid and dashed lines
Use solid and dashed lines to distinguish series for colorblind users.
Label each line clearly
Label each line clearly in the legend — avoid generic labels like "Series 1".
Keep time intervals consistent
Keep time intervals consistent for accurate trend visualization.