Seven sub-scores, each normalised cohort-relative so the best country scores 100 and the worst scores 0. Inverted dimensions (cost, AQI) rank the cheapest / cleanest air at 100.
Cost of living
Single-person monthly EUR benchmark: Numbeo "estimated monthly costs without rent" + 1-bedroom city-centre rent, manually reviewed and stored as seed values.
Cohort relative · lower raw → higher score
Reference source: Numbeo public city pages
Air quality
Median PM2.5 from monitoring stations within 25 km of the capital (with fallback cities for sparse-coverage countries), 7-day rolling window.
Cohort relative · lower raw → higher score
Source: OpenAQ v3
Note: seasonal burning (Feb–Apr mainland, Jun–Oct Indonesia) can temporarily elevate PM2.5 readings.
Visa accessibility
Ease score 0–100 for an Irish passport holder seeking a long stay: tourist duration, in-country extensions, dedicated nomad visa.
Cohort relative · higher raw → higher score
Source: official immigration sites
Safety
Safety benchmark for the capital city based on Numbeo's index. Composite of survey-based perceptions of crime, walking alone after dark, mugging, etc.
Cohort relative · higher raw → higher score
Reference source: Numbeo Quality of Life
Healthcare
Healthcare benchmark for the capital based on Numbeo's Health Care Index. Reflects perceived quality, cost, modernity of equipment and waiting times.
Cohort relative · higher raw → higher score
Reference source: Numbeo Quality of Life
Internet
Median observed download bandwidth (Mbps), last 7 days. Real-world experience on Cloudflare's network, not peak Speedtest values, which are typically much higher.
Cohort relative · higher raw → higher score
Source: Cloudflare Radar IQI
Nomad infrastructure
Sum of coworking-space counts across the three most-used cities per country. Manually curated from Coworker.com and equivalent public directories.
Cohort relative · higher raw → higher score
Source: Coworker.com et al.