Passenger Data Explained

Who collects your travel data, who keeps it, and what the rules say

Plain, sourced answers on API, PNR, biometrics, data controllers, hosting, retention and oversight at borders, with dated country records. Updated 19 October 2026.

How passenger data works

Rules and oversight

Country records

Passenger Data Explained is a public-interest reference site. It is not a government website. Our methodology page explains how we check every figure.