Update of Municipal Maps

Description

The "Update of Municipal Maps" (1) refers to Municipal Maps of the Municipalities that have had their borders updated somehow. These updates have not reached all the Brazilian municipalities, so that maps have not been produced for all of them.

Municipal Maps represent the intramunicipal Political Administrative Division (districts and subdistricts), intermunicipal and interstate borders and the main planimetric elements and hydrography elements.

The Municipal Maps annually produced by the IBGE consider the updated status of the Brazilian Political and Administrative Division (DPA). The dynamics of DPA reflects the updates in the municipal borders of the municipalities, within the Technical Cooperation Agreements (ACT) between the IBGE and state bodies in charge of the Political Administrative Division.

The territory updates occur as a result of one of the following factors: publication of a new law, legal decision and technical reports issued by the respective state bodies in charge of the political-administrative division of each state and sent to the IBGE. However, we explain the most common factors are cartographic adjustments following technical reports produced by the States and the publication by the State of a new law that updates municipal borders.

The versions of 2012 to 2019 update the collection of the 2010 Census Municipal Statistical Maps:
https://www.ibge.gov.br/geociencias/cartas-e-mapas/mapas-municipais/27440-mapas-municipais-para-fins-estatisticos.html

And the versions between 2021 and 2022 update the collection of the 2020 Municipal Maps:
https://www.ibge.gov.br/geociencias/cartas-e-mapas/mapas-municipais/31452-colecao-de-mapas-municipais.html

Note(1): The publication "Update of Municipal Maps" went into effect as a new version of "Municipal Maps of Population Estimates"

About the publication - 2020

The annual population estimates produced by the IBGE take into account the updated status of the Brazilian Political-Administrative Division - DPA, including the updating occurred in the municipal borders under the scope of the covenants of technical cooperation the IBGE maintains with state offices for the consolidation of the municipal borders.

The territorial updates sent by these bodies to IBGE in the period between May 1st, 2019 and April 30, 2020 (please, see the note below) were incorporated into the methodology of the 2020 Population Estimates. The list of participating municipalities can be consulted in the following document (https://biblioteca.ibge.gov.br/visualizacao/livros/liv101747.pdf): "Estimates of the resident population for Brazilian municipalities and Federation Units with reference date of July 1, 2020" - available on the IBGE website.

NOTE: According to Resolution No. 17 of May 2020, considering, especially, the effects of the Coronavirus pandemic (COVID-19), the IBGE has decided to postpone until June 30, 2020, the term established in art. 3rd of R.PR nº 5/2015 for receiving, at its headquarters, the Official Letters from the state agencies responsible for the political-administrative division, reporting the territorial updates in its political-administrative division.

The following chart summarizes the number of municipalities, by Federation Unit, with territorial updating involving population rearrangement and/or significant adjustments in the cartographic representation of the municipal borders.

FEDERATION UNITS	No.OF UPDATED MUNICIPALITIES
MA	14
MT	141
MS	9
MG	2
PR	15
PE	29
RN	2
RS	53
TOTAL	265

For the complete list of municipalities, please, click on https://www.ibge.gov.br/estatisticas/sociais/populacao/9103-estimativas-de-populacao.html?=&t=publicacoes.

The territorial changes occurred since the release of the results of the 2010 Population Census, that impacted on the 2020 Population Estimates, were due to one of the following factors:

new state legislation changing the descriptions of the municipal borders;
cartographic adjustments officially informed to the IBGE by state offices;
better identification and cartographic representation of the municipal polygons, due to the innovations of the geotechnologies that allow the use of several cartographic inputs and equipment.

It is worth mentioning that the Municipalities that are not included in the list of the 2020 Population Estimates did not have their maps updated in that year, and their maps can be found in the 2010 Census repository, or, in the folders of subsequent years, between 2011 and 2019, if they had their limits changed.

Terms of Use and Additional Information:

The Municipal Maps, were generated from a compilation of geospatial data in an automated way, aiming at the exclusive use of IBGE's surveys, focusing on field operations. In this way, the use for purposes other than statistical ones must be done with due care on the part of the user;
This series of maps is not part of the series of products referring to the Brazilian Systematic Mapping, therefore, it does not fit into the technical criteria established for such series;
Municipal Maps are available in PDF format;
The technical norm (ABNT format) for the original printing of the files is A0;
In case of printing in sizes other than the A0 standard, the products present a graphic scale, which will allow to vary the print standards and sizes together with the content of the maps;
There is no declared nominal scale for any map. It is up to the user, if necessary, to calculate the differences based on the graphic scale;
All files are georeferenced using the GeoPDF format. They can be opened, in a georeferenced way, by any GIS platform or geoinformation software that accepts such format;
Datum: SIRGAS 2000 (EPSG: 4674).