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Metropolitan Areas, Urban Agglomerations and Integrated Development Areas

Description

The registry of Brazilian municipalities located in Metropolitan Areas – RMs, Urban Agglomerations and Integrated Development Areas – RIDEs is quarterly updated by the Surveys of Metropolitan Areas, Urban Agglomerations and Integrated Development Areas. The main goal is to identify the political-administrative units in Brazil located in Metropolitan Areas, Urban Agglomerations and Integrated Development Areas, which deserve specific treatment on behalf of their planning and management peculiarities.

Metropolitan Areas and Urban Agglomerations consist of arrangements of bordering municipalities and are established by a complementary state law, pursuant to Article 25, paragraph 3 of the 1988 Federal Constitution, aiming at integrating the organization, planning and execution of the public assignments of general interest. In the list provided by the IBGE, there are also categories associated to the divisions: metropolitan belts, metropolitan arches (highways), metropolitan expansion areas, metropolitan subdivisions, and others. The Integrated Development Areas, in turn, are defined as administrative areas that include different Federation Units. These divisions are created by specific legislation, in which the Federation Units that compose it are listed and the operational structure and the interests of the political-administrative member-units are defined. In the case of RIDEs, the jurisdiction to create it belongs to the Federal Government, pursuant to Article 21, subsection 9; Articles 43 and 48, subsection 4, of Federal Constitution.

Technical Information

Technical Notes

01/2022 - Explanatory Note on the changes in the geocodification of Metropolitan Areas, Integrated Development Regions and Urban Agglomerations

About the publication - 2023

The current update made by the IBGE shows the creation of a new Metropolitan Area in the state of Goiás, the inclusion of a new municipality in the Metropolitan Area of Belém (PA) and the adequacy of the Metropolitan Areas of the state of Maranhão. 

In Goiás, according to State Complementary Law No. 181/2023, of January 5, 2023, the Metropolitan Area of the Federal District was created, consisting of 11 municipalities. In the State of Maranhão, the Metropolitan Area of Grande Pedreiras (MA), created by State Complementary Law No. 26/1995, of February 21, 1995, was incorporated as one of the Metropolitan Areas in force in the state. Finally, the municipality of Barcarena (PA) was added to the Metropolitan Area of Belém/PA through State Complementary Law No. 194/2023, of April 5, 2023.

There were no changes in the Brazilian Integrated Development Areas, in the Urban Clusters or in the other Metropolitan Areas of the other Brazilian states. There are currently 77 Metropolitan Areas in the country, with the state with the largest number of Metropolitan Areas being Santa Catarina (14), followed by Paraíba (12) and São Paulo (9). There are three Urban Clusters, one in the state of São Paulo and two in Rio Grande do Sul.

Metropolitan Areas and Urban Clusters are areas established by supplementary state law, in accordance with the provisions of the 1988 Federal Constitution, with the aim of integrating the organization, planning and execution of public functions of common interest. The definition of Metropolitan Areas and Urban Clusters is the responsibility of the states, according to paragraph 3 of Article 25 of the Federal Constitution.

Integrated Development Areas (RIDEs), in turn, are defined as administrative regions that encompass different Federation Units. RIDEs are created by specific legislation, in which the municipalities that comprise them are listed, in addition to defining the operating structure and interests of the participating political-administrative units. In the case of RIDEs, the power to create them lies with the Union, in accordance with paragraph 1 of article 43 of the Federal Constitution.

Learn more - 2023

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News and Releases

Favelas and Poor Urban Communities: IBGE changes name of subnormal agglomerates

The IBGE is replacing the term “Subnormal Agglomerates”, adopted by the Institute in census editions...

23/01/2024

IBGE releases updating of legal territorial divisions of Brazil

The IBGE releases today (14) an updating of the legal territorial divisions of Brazil. Altogether, they...

14/07/2022

Update of territorial subdivisions expands Metropolitan Area of Southwestern Maranhão

The IBGE releases today (20) an updated list of the municipalities that form Metropolitan Areas (RMs),...

20/05/2021

IBGE updates the list of municipalities that make up the Brazilian territorial divisions

The IBGE carried out another semiannual update of the list of municipalities that make up the Metropolitan...

17/11/2020

IBGE updates list of municipalities that form the Brazilian territorial subdivisions

The IBGE has released a new six-month update of the list of municipalities that compose the Metropolitan...

22/05/2020

IBGE updates the list of municipalities that integrate Brazilian territorial divisions

Based on information of June 30, 2019, the IBGE once again carried out the biannual update of the list...

06/11/2019

IBGE updates list of municipalities that integrate Brazilian territorial divisions (2)

The IBGE once again updated the list of municipalities comprising the Metropolitan Areas (RMs), Development...

15/05/2019

IBGE updates municipality list of the Brazilian territory sections

The IBGE carried out another update in the list of municipalities of the Mertopolitan Areas (RMs), integrated...

16/11/2018

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Errata

FAQ

Is the IBGE responsible for the Metropolitan Areas, Urban Agglomerations and Integrated Development Areas delimitation?
No. The Metropolitan Areas and Urban Agglomerations consist of arrangements of bordering municipalities and are established by a complementary state law, in accordance with Article 25, paragraph 3 of the 1988 Federal Constitution, aiming to integrate the organization, planning and execution of public functions of general interest. In the list provided by the IBGE, there are also categories associated to these subdivisions: metropolitan belts, metropolitan arches (highways), metropolitan expansion areas, metropolitan subdivisions, and others. The Integrated Development Areas, in turn, are defined as administrative areas that include different Federation Units. These subdivisions are created by specific legislation, under which the Federation Units forming them are listed, and which definesthe operational structure and the interests of the political-administrative member-units. In the case of RIDEs, the jurisdiction to create them belongs to the Federal Government, in accordance with Article 21, subsection 9; Articles 43 and 48, subsection 4, of the Federal Constitution.

Why does the IBGE research and make available the Metropolitan Areas, Urban Agglomerations and Integrated Development Areas as  geographic subdivisions?
The main goal is to identify the political-administrative units in Brazil located in Metropolitan Areas, Urban Agglomerations and Integrated Development Areas, which demand a specific approach on behalf of their planning and management peculiarities. Besides that, the identification of the municipalities that form those subdivisions is essential for the definition of subdivisions in the sample surveys.

What is the difference between Metropolitan Areas and Integrated Development Areas – RIDEs?
Metropolitan Areas consist of arrangements of bordering municipalities and are established by complementary state law, that is, they can only be formed by municipalities from the same State. RIDEs are defined as administrative areas that include municipalities from different States and, consequently, are created by specific legislation by the National Congress.

Which is the frequency of the Metropolitan Areas, Urban Agglomerations and Integrated Development Areas updating?
The results are released semiannually with a reference data from the previous semester.

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Legislação relacionada

Constitution of the Federal Republic of Brazil of 1988

Law no. 13,089, of January 12, 2015
It establishes the Metropolis Statute, changes in Law no. 10,257, of July 10, and makes other provisions.