Method & Sources

The PSS is a composite score (0–100) built from six pillars, each measuring the extent of private-sector involvement in a domain of public service. Every number on this site links back to its source.

Scoring methodology

How raw indicators are normalized and combined into pillar and total scores.

Data sources

The datasets, surveys, and reports that feed the PSS.

Limitations

What the PSS does not capture, known gaps, and caveats.

Changelog

Version history of methodology and data updates.