The former weighting structures, produced from the results of the Consumer Expenditure Survey – POF 2017-2018, will be released in October 11 this year, in the IBGE’s site, with January 2018 as month reference.
From the reference month January 2020 on, the results of Extended National Consumer Price (IPCA) and National Consumer Price Index (INPC), will be formulated according to those news weighting structures to be released in February.
The general conseption of the index system is maintained concering collecting, criticism and imputation procedures, as well calculation methods and geographic coverage.
Directorate of Surveys
September 11 of 2019