Citizen Card (Portugal)

Portuguese Citizen Card

The Citizen Card (Portuguese: Cartão de cidadão) from Portugal is a necessary identity document issued for both

Front of the Citizen card

Portuguese and Brasilian citizens (under Porto Seguro Agreement).

It is delivered in a smart card format, for more seccurity.

All portuguese citizens, including non-citizens (both EU and Non-EU), are required to carry on an identity card or passport in portuguese territory, and may there fines if not.

A portuguese Citizen card not valid for tarvel under Porto Seguro Agreement

Data included change

The card has a smart card format, similar to a credit card.

Front change

  • Photography
  • Last name(or names)
  • Name (or ames)
  • Sex
  • Height
  • Nationality
  • Date of birth
  • Civil identification elements, similar to those of the ID card.
  • Document number
  • Expiration date
  • Person's signature

In the back change

  • Identification number
  • Optical reading zone
  • The chip: A contact chip similar to that found in other cards such as the new taxpayer card, with:
  • Digital certificates (for authentication and electronic signature)
  • A symmetric holder authentication key
  • A private key
  • A private key
  • The same optically visible information
  • Address and other data (the system will be expandable)

Related pages change

Other websites change