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Key Information Page (Passport Data Page)

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The Key Information Page, also known as the Passport Data Page, is the main page of a passport containing the traveler’s essential identification details. It includes personal information, the passport number, and the holder’s photograph. This page is required at every border control and is considered the most important part of the passport.
It also contains the Machine Readable Zone (MRZ), which allows quick scanning of the traveler’s data. The MRZ has become a global standard in modern passports, ensuring efficiency and accuracy in identity verification.

Contents of the Key Information Page in a passport

The Passport Data Page typically includes the following elements:

  • full name of the passport holder,
  • date and place of birth,
  • nationality,
  • passport number,
  • date of issue and date of expiration,
  • holder’s signature, biometric photograph

Each of these elements is essential for confirming identity and the authenticity of the passport. Because of standardized layouts, the Key Information Page looks similar across most countries, which simplifies international border inspections.

Function of the Key Information Page in passport procedures

The Passport Data Page serves as the primary identification tool in international travel. It is this page that border officials scan and compare with passenger records. A copy of this page is often required for administrative purposes, such as reporting a lost passport, applying for a replacement, or submitting a visa application.

If the entire passport is lost, providing a copy of the Key Information Page can speed up the issuance of a temporary or replacement passport. For this reason, many travelers keep a copy of this page in either printed or digital form.

Importance of the Key Information Page for passport security

The Key Information Page plays a central role in global travel security systems. With the inclusion of the MRZ, traveler data can be read quickly and accurately, reducing the risk of errors or forgery.

Modern passports also integrate advanced security features such as holograms and biometric elements directly into the Key Information Page. This makes the passport highly resistant to counterfeiting and reinforces its importance in maintaining the integrity of border security systems.

Summary

The Key Information Page (Passport Data Page) is the most important section of a passport, containing all the essential information about the document holder. It is used both at border checkpoints and in administrative processes related to travel documents. Its role in identity verification, passport authenticity, and international security makes it a fundamental element of biometric passports worldwide.

👉 If you are preparing a passport or visa application, always keep a copy of your Key Information Page. Use our online form at uspassportapplicationonline.com to ensure your documents are accurate and ready for processing.

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* The information provided in this article is for informational purposes only and does not constitute legal advice. The content has been prepared based on publicly available information, including the U.S. Department of State website and other thematic sources, and is intended to clarify selected issues and assist individuals interested in the process of applying for documents, including passports and visas.