Reusable chart
Single-maintainer package rates by ecosystem
PyPI has the highest supplied single-maintainer rate at 89.3%; npm has the lowest of the compared ecosystems at 51.5%.
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chart
Single-maintainer package rates by ecosystem
chart-single-maintainer-rates
Single-maintainer exposure differs materially across ecosystems.
Source: FOSS Data — https://www.fossdata.org
Detailed description and evidence notes
This comparison keeps each supplied ecosystem rate visible so readers can reuse the exposure signal without implying a causal ranking.
- Research edition
- 2026
- Measurement
- Measured 25 June 2026
- Publication
- Published 2 August 2026
- Calculation
- Values are reproduced from the supplied source without interpolation.
- Methodology note
- Single-maintainer rates count distinct maintainers per package; the 76.6% callout covers all packages and the series breaks the measure out by ecosystem.