Survey: 2 in 3 Brazilians support proof of vaccination
RIO DE JANEIRO, BRAZIL – Two out of 3 (65%) Brazilians support proof of vaccination in establishments, according to a survey published Monday, December 13, by the National Confederation of Industry (CNI).
Conversely, 22% said they are against showing proof of immunization to enter establishments; 10% said they were neither for nor against it; and 3% were unable to answer or did not know.

The survey also shows that only 18% of Brazilians have ever been asked to present a vaccination certificate to enter establishments they have visited over the past 3 months.
In contrast, 72% have not been requested to show a vaccination certificate over this period, and 9% said they have not visited places that require proof of vaccination.
In addition, non-vaccinated people are the least afraid of visiting public places, the survey shows. While 65% of fully immunized Brazilians are somewhat afraid to attend shows and events, the rate drops to 39% among people who have not taken any vaccine dose.
MASK USE
Amid the discussion about compulsory mask use, 49% of the population is against relaxing the requirement to wear the protective item, and 39% is in favor of the measures making the use of masks optional.
Some 10% are neither for nor against it, and 2% are unable to answer. The non-vaccinated are the most favorable to ending compulsory mask use. Among them, the rate is 50% against 38% of fully immunized Brazilians.
The same behavior is observed in relation to the current mask use. While 59% of fully immunized Brazilians wear masks both indoors and outdoors, the rate drops to 29% among respondents who have not taken any vaccine dose.
METHODOLOGY
The CNI survey interviewed 2,016 Brazilians aged 16 and older, in the 27 federal states between November 18 and 23. The error margin in the total sample is 2 percentage points, with a reliability level of 95%.
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