Methodology

Data Methodology

Last updated: January 2026

MetroCityLife indicators are designed to be decision-useful: comparable across cities, conservative in interpretation, and refreshed on a regular cycle.

Sources

  • National statistical agencies and city open-data portals.
  • Public cost-of-living databases (crowd-sourced indices, normalised against an internal NYC=100 baseline).
  • Public salary surveys and labour market reports.
  • Climate and air-quality datasets from meteorological and environmental agencies.

Indices

  • Cost of Living Index — 100 = New York City baseline.
  • Scoring (0–100) — applied to safety, healthcare, education, transport, jobs, lifestyle, climate, air quality, and livability.
  • Rent & costs — USD/month, city-centre averages for typical units.

Update cadence

Cost and rent figures are reviewed quarterly. Livability scores are reviewed at least annually.

Limitations

City-level indices smooth over substantial intra-city variation. Always consult our suburb guides for neighbourhood detail and verify critical numbers against local sources before making major decisions.

Reference: /methodology