The CPF number (Cadastro de Pessoas Físicas, [sepeˈɛfi]; Portuguese for "Physical Persons Register") is the Brazilian individual taxpayer registry, since its creation in 1965.

[3] In June 2020, an audit from the Tribunal de Contas da União (Federal Court of Accounts, often referred to as TCU) revealed that there were at least 12.5 million CPFs more than the total population.

Auditors revealed that there was evidence that an individual was already dead in 3.3 million valid entries and more than 78,000 active CPFs of people over 110 years old.

International surveys show that there are only 29 people in this age group in the world – and only one lives in Brazil.

Foreign residents can also check the nearest diplomatic mission representation abroad and its working hours: [1], [2], [3], [4] In November 2021, Santa Catarina launched a unified document, with CPF and RG (Identity Card) integrating a single 11-digit number, authorities say the initiative will reduce fraud, but the change is not mandatory.