Multi-Line Sector Comparison Example (U.S. GDP by Industry)

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Concept reference from Fizz Studio demo: ParaCharts demo multi-line chart

Scenario

Compare recent-quarter trajectories for U.S. total GDP, Information, and Professional/Scientific/Technical services.

Data Source And Refresh

• Source: BEA GDP workbook table 14 (public release file).
• Source URL: https://www.bea.gov/data/gdp/gross-domestic-product (release hub); updater reads Table 14 workbook file https://www.bea.gov/sites/default/files/2026-01/gdp3q25-updated.xlsx.
• Refresh cadence: Monthly via GitHub Actions cache update workflow.
• Data continuity: This page will continue updating while BEA publishes compatible data.

When To Use

Use a multi-line chart when relative movement between several series is as important as absolute value.

Manifest

<para-chart manifest="data/manifests/us-gdp-industry-tech.json"></para-chart>

Full manifest (JSON):

• https://raw.githubusercontent.com/mgifford/ParaCharts/main/docs/data/manifests/us-gdp-industry-tech.json

Interpretation Prompts

1. Which series is highest in absolute dollars at the most recent quarter?
2. Do Information and Professional/Scientific/Technical services move in parallel?
3. Where do growth rates appear to diverge across the three lines?