microrregiões

Microrregiões are small geographical areas defined for statistical purposes. They are typically composed of a group of adjacent municipalities that share similar economic, social, and geographical characteristics. The concept of microrregiões is most prominently used in Brazil, where they were established by the Brazilian Institute of Geography and Statistics (IBGE) to facilitate regional planning and development policies. These divisions help to identify areas with specific needs and potentials, allowing for more targeted interventions.

The primary purpose of defining microrregiões is to provide a more granular view of regional disparities than larger administrative divisions might offer. By grouping municipalities with common traits, policymakers can better understand local contexts and design policies that are more effective at addressing specific challenges, such as poverty, lack of infrastructure, or economic stagnation. The size and composition of microrregiões can vary significantly across different parts of a country, depending on the density of population, the economic activity, and the geographical landscape.

While the Brazilian system is well-known, similar concepts of sub-regional statistical divisions exist in other countries, though they may not be explicitly termed "microrregiões." These divisions are crucial for data collection, analysis, and the implementation of regional development strategies. They allow for a more nuanced understanding of territorial organization and can serve as building blocks for larger regional planning efforts. The evolution of these statistical territories is often tied to the need for better data to inform policy decisions and promote balanced development.