In 2026, governments can track your movements across international borders, but they generally cannot track your "real-time" location through the physical passport booklet itself. Modern ePassports contain a Radio Frequency Identification (RFID) chip and an antenna, which store your biometric data and personal information. These chips are "passive," meaning they do not have a power source and cannot transmit a signal over a long distance like a GPS tracker. Instead, they can only be "read" from a very short distance (usually a few centimeters) by an authorized scanner at an immigration checkpoint. The "tracking" that occurs is administrative: every time your passport is scanned at a border, the entry/exit data is recorded in a central government database. Systems like the Entry/Exit System (EES) in Europe now create a digital record of every non-EU traveler's movements. While your physical passport won't reveal where you are while walking down a street, the "digital breadcrumbs" left behind at airports, hotels (where passports are often scanned), and border crossings allow governments to maintain a very accurate log of which countries you have visited and when you entered or exited their jurisdiction.