Migration in Barão de Grajaú/MA (2017–2022)

Barão de Grajaú/MA had a reference population (aged 5 or over in 2022) of 17,615 people. In the 2017–2022 five-year period, the municipality received 1,690 in-migrants and lost 870 out-migrants to other municipalities in Brazil, resulting in a net migration of +820 people (46.47 per 1,000 population) and a migration effectiveness index (IEM) of 0.320. This classifies the municipality, for the period, as one of migratory attraction.

Indicators

Migration indicators for Barão de Grajaú/MA, 2017–2022
Indicator	Estimate	95% CI	Precision
In-migrants	1,690	1,399 to 1,981	good
Out-migrants	870	586 to 1,154	use with caution
Net migration	+820	413 to 1,227	not classified
Net migration rate, TLM (per 1,000 pop.)	46.47	-	-
Migration effectiveness index (IEM)	0.320	-	-

Sample of in-migrants: 100-499 observations. Sample of out-migrants: 100-499 observations. 95% confidence interval computed as estimate ± 1.96 × standard error.

Top origins and destinations

Top 10 origins of in-migrants to Barão de Grajaú/MA
Origin	People	Precision
Floriano/PI · view pair in the atlas	585	use with caution
São Francisco do Maranhão/MA · view pair in the atlas	155	use with caution
Brasília/DF · view pair in the atlas	125	low precision
Teresina/PI · view pair in the atlas	95	low precision
São Paulo/SP · view pair in the atlas	55	low precision
Amarante/PI · view pair in the atlas	45	low precision
Sucupira do Riachão/MA · view pair in the atlas	45	low precision
São Luís/MA · view pair in the atlas	35	low precision
São João dos Patos/MA · view pair in the atlas	35	low precision

Top 10 destinations of out-migrants from Barão de Grajaú/MA
Destination	People	Precision
Floriano/PI · view pair in the atlas	95	low precision
Palmas/TO · view pair in the atlas	55	low precision
São Francisco do Maranhão/MA · view pair in the atlas	50	low precision
Sucupira do Riachão/MA · view pair in the atlas	20	low precision

Profile of migrants and residents

In-migrants (arrivals)

Migrant type
Category	Estimate	Share	Sample
First move from municipality of birth	835	49.4%	100-499
Multi-step migration	615	36.4%	100-499
Return to municipality of birth	240	14.2%	20-49

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
Completed high school, incomplete higher education	395	37.1%	50-99
No schooling or incomplete elementary	330	31.0%	50-99
Completed higher education	190	17.8%	20-49
Completed elementary, incomplete high school	150	14.1%	20-49

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
½ to 1 minimum wage	605	35.7%	100-499
¼ to ½ minimum wage	485	28.6%	50-99
Up to ¼ of a minimum wage	310	18.3%	50-99
1 to 2 minimum wages	255	15.0%	20-49
More than 2 minimum wages	40	2.4%	5-19

Age and sex
Category	Estimate	Share	Sample
Ages 25–39, female	360	21.3%	50-99
Ages 25–39, male	320	18.9%	50-99
Ages 5–14, male	175	10.4%	20-49
Ages 15–24, female	170	10.1%	20-49
Ages 40–59, male	165	9.8%	20-49
Ages 40–59, female	160	9.5%	20-49
Ages 15–24, male	155	9.2%	20-49
Ages 5–14, female	125	7.4%	20-49
Ages 60 and over, female	35	2.1%	5-19
Ages 60 and over, male	25	1.5%	5-19

Out-migrants (departures)

Migrant type
Category	Estimate	Share	Sample
First move from municipality of birth	405	46.6%	50-99
Multi-step migration	350	40.2%	20-49
Return to municipality of birth	115	13.2%	5-19

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
Completed high school, incomplete higher education	255	48.6%	20-49
No schooling or incomplete elementary	130	24.8%	20-49
Completed higher education	70	13.3%	5-19
Completed elementary, incomplete high school	70	13.3%	5-19

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
1 to 2 minimum wages	305	35.1%	20-49
½ to 1 minimum wage	305	35.1%	20-49
Up to ¼ of a minimum wage	140	16.1%	5-19
¼ to ½ minimum wage	65	7.5%	5-19
More than 2 minimum wages	50	5.7%	5-19
Other / suppressed	5	0.6%	<5

Age and sex
Category	Estimate	Share	Sample
Ages 25–39, female	160	18.5%	20-49
Ages 15–24, male	160	18.5%	5-19
Ages 25–39, male	130	15.0%	20-49
Ages 40–59, male	115	13.3%	5-19
Ages 15–24, female	110	12.7%	5-19
Ages 5–14, female	70	8.1%	5-19
Ages 40–59, female	65	7.5%	5-19
Other / suppressed	55	6.4%	5-19

Non-migrant residents

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	6,040	56.6%	>=500
Completed high school, incomplete higher education	2,475	23.2%	100-499
Completed elementary, incomplete high school	1,320	12.4%	100-499
Completed higher education	835	7.8%	100-499

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
½ to 1 minimum wage	5,875	34.0%	>=500
¼ to ½ minimum wage	5,155	29.8%	>=500
Up to ¼ of a minimum wage	3,655	21.1%	>=500
1 to 2 minimum wages	2,140	12.4%	100-499
More than 2 minimum wages	465	2.7%	50-99
Other / suppressed	5	0.0%	<5

Age and sex
Category	Estimate	Share	Sample
Ages 40–59, male	2,095	13.2%	100-499
Ages 40–59, female	2,090	13.1%	100-499
Ages 25–39, female	2,000	12.6%	100-499
Ages 25–39, male	1,925	12.1%	100-499
Ages 15–24, male	1,455	9.1%	100-499
Ages 60 and over, female	1,410	8.9%	100-499
Ages 15–24, female	1,305	8.2%	100-499
Ages 5–14, male	1,255	7.9%	100-499
Ages 5–14, female	1,240	7.8%	100-499
Ages 60 and over, male	1,150	7.2%	100-499

Commuting (work and study)

Commuting indicators for Barão de Grajaú/MA
Employed persons (aged 10 and over)	6,465
Commute out to work in another municipality	1,770
Commute in from another municipality to work here	465
Net commuting	−1,305
Out-commuting rate (%)	27.41
Commuting attraction index	0.725
Median commuting time	20 min

Open Barão de Grajaú/MA in the interactive atlas →

Methodological note

Estimates from the sample microdata of the 2022 Demographic Census (IBGE, controlled access), fixed-date migration question (residence on July 31, 2017 compared with residence on July 31, 2022). Every estimate is rounded to multiples of 5 and has passed statistical disclosure control (no cell with fewer than 5 people or 3 sampled households). See the full methodology and the glossary.

How to cite this page

Daniel Pessini Sobreira. Atlas da migração interna no Brasil [Atlas of internal migration in Brazil]: Barão de Grajaú/MA. Data from the 2022 Demographic Census (IBGE). Data version: 2026-10-01. Available at: https://atlas-da-migracao.github.io/en/municipio/barao-de-grajau-ma-2101509/. Dataset DOI: https://doi.org/10.5281/zenodo.22469791.