# Custom diagnostic models

Canonical: https://www.pluraterra.com/models/
Page last materially revised: 2026-11-02
Observation periods are specified in the content; the revision date is not the data year.

# Custom diagnostics

Resources, resilience and the choices behind a ranking.

Experimental v1 · No overall super-score · Different units and coverage by design

These diagnostics name particular questions. Some use established statistical or mathematical ideas; the names do not claim their underlying methods are newly invented. Read the formula and limits before treating a value as a conclusion.

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2025 · 38 calculated values

## Paycheck Yield

How much additional OECD-defined net income accompanies a second salary?Definition, limitations and results →](https://www.pluraterra.com/models/paycheck-yield/)[

2024 · 34 calculated values

## Buffer Gap

Financial vulnerability that a relative-income cutoff misses.Definition, limitations and results →](https://www.pluraterra.com/models/buffer-gap/)[

2023 · 193 calculated values

## Longevity Lift

Life expectancy relative to countries with similar measured resources.Definition, limitations and results →](https://www.pluraterra.com/models/longevity-lift/)[

2023 · 170 calculated values

## Essentials Floor

The weakest service behind an average access score.Definition, limitations and results →](https://www.pluraterra.com/models/essentials-floor/)[

2023 inputs · 170 calculated values

## Rank Drift

How much a ranking moves when the priorities change.Definition, limitations and results →](https://www.pluraterra.com/models/rank-drift/)[

2023 index / 2021–2023 survey · 132 calculated values

## Lived Gap

Where our indicator index and people’s life ratings diverge.Definition, limitations and results →](https://www.pluraterra.com/models/lived-gap/)

[Read the findings these models help reveal →](https://www.pluraterra.com/insights/)