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Where NomadIndex visa and mobility data comes from — and how source types are classified.
Last updated: June 2026
NomadIndex links every visa program to at least one reference source where possible. Source type and verification status are shown separately — a government link does not mean every field on the page is confirmed.
For how we apply these labels in the dataset, see data methodology.
Each program carries a source confidence badge describing the linked reference type:
Primary issuing-authority websites — e.g. home affairs ministries, immigration agencies, and official visa application portals. These are our preferred references for fees, income thresholds, and program requirements.
Government departments that publish visa policy, even when requirements are spread across multiple pages. We link to the most specific official page available.
Non-primary but credible references used when government pages are incomplete, outdated, or split across jurisdictions. Secondary sources never replace a human review step.
Planning placeholders entered when no confirmed official figure exists in our dataset. Estimate fields are labelled explicitly and should not be treated as application requirements.
Some entries — such as Estonia e-Residency — are digital or commercial products, not residence visas. These are classified separately (type: other) and excluded from immigration program counts on country pages, comparisons, and planning tools.
If an official source link is broken, outdated, or misclassified, please contact us with the program name and a current official URL.