DATA METHODOLOGY
Method, not magic.
8billion should stop when evidence is missing rather than turn a city name or a salary into a fabricated answer.
Last updated · 25 July 2026Current data coverage
- 7 illustrative economic profiles support direct illustrative comparisons.
- The destination catalogue contains 120 places; it is not a 120-city verified economic dataset.
- Other destinations can use only user-entered private assumptions and return a private scenario range.
- The number of production source-backed economic profiles today is 0.
Result labels
An illustrative model result is labelled estimated/demo. A route built from the user’s own assumptions is labelled estimated/private scenario. A future source-backed estimate must disclose source, period, geography and confidence before it can be released.
Fail-closed rules
If a required city profile, distribution, exchange-rate basis, tax assumption or cost measure is missing or invalid, the model does not silently substitute another city and does not invent Local Position, Status Twin or Offer X-Ray.
What results are not
- Financial, tax, legal or investment advice
- A guaranteed salary or cost-of-living outcome
- Income, employer or professional verification
- A reason to accept or reject an offer without additional evidence
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