Migration in Porto Franco/MA (2017–2022)

Porto Franco/MA had a reference population (aged 5 or over in 2022) of 21,985 people. In the 2017–2022 five-year period, the municipality received 2,055 in-migrants and lost 2,605 out-migrants to other municipalities in Brazil, resulting in a net migration of −550 people (−25.10 per 1,000 population) and a migration effectiveness index (IEM) of −0.118. This classifies the municipality, for the period, as one of migratory depletion. In addition, 0 arrived with an unreported origin and 20 came from abroad.

Indicators

Migration indicators for Porto Franco/MA, 2017–2022
Indicator	Estimate	95% CI	Precision
In-migrants	2,055	1,643 to 2,467	good
Out-migrants	2,605	2,109 to 3,101	good
Net migration	−550	−1,195 to 95	not classified
Net migration rate, TLM (per 1,000 pop.)	−25.10	-	-
Migration effectiveness index (IEM)	−0.118	-	-

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 Porto Franco/MA
Origin	People	Precision
Imperatriz/MA · view pair in the atlas	165	low precision
Goiânia/GO · view pair in the atlas	135	low precision
Lajeado Novo/MA · view pair in the atlas	120	low precision
São João do Paraíso/MA · view pair in the atlas	115	low precision
Tocantinópolis/TO · view pair in the atlas	105	low precision
Aparecida de Goiânia/GO · view pair in the atlas	85	low precision
Campestre do Maranhão/MA · view pair in the atlas	70	low precision
Estreito/MA · view pair in the atlas	65	low precision
Sítio Novo/MA · view pair in the atlas	65	low precision
São Luís/MA · view pair in the atlas	60	low precision

Top 10 destinations of out-migrants from Porto Franco/MA
Destination	People	Precision
Estreito/MA · view pair in the atlas	220	low precision
Imperatriz/MA · view pair in the atlas	185	low precision
Goiânia/GO · view pair in the atlas	140	low precision
Sorriso/MT · view pair in the atlas	115	low precision
Rio Verde/GO · view pair in the atlas	100	low precision
Campestre do Maranhão/MA · view pair in the atlas	85	low precision
Lucas do Rio Verde/MT · view pair in the atlas	75	low precision
Nova Mutum/MT · view pair in the atlas	60	low precision
Parauapebas/PA · view pair in the atlas	55	low precision
Lajeado Novo/MA · view pair in the atlas	50	low precision

Profile of migrants and residents

In-migrants (arrivals)

Migrant type
Category	Estimate	Share	Sample
Multi-step migration	1,005	48.8%	100-499
First move from municipality of birth	710	34.5%	50-99
Return to municipality of birth	335	16.3%	20-49
Other / suppressed	10	0.5%	<5

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
Completed high school, incomplete higher education	415	33.7%	20-49
No schooling or incomplete elementary	415	33.7%	20-49
Completed higher education	215	17.5%	5-19
Completed elementary, incomplete high school	185	15.0%	5-19

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
¼ to ½ minimum wage	620	30.2%	50-99
½ to 1 minimum wage	375	18.3%	20-49
More than 2 minimum wages	360	17.6%	20-49
Up to ¼ of a minimum wage	345	16.8%	20-49
1 to 2 minimum wages	305	14.9%	20-49
Other / suppressed	45	2.2%	<5

Age and sex
Category	Estimate	Share	Sample
Ages 25–39, female	395	19.4%	20-49
Ages 25–39, male	345	16.9%	20-49
Ages 15–24, female	295	14.5%	20-49
Ages 40–59, female	220	10.8%	20-49
Ages 15–24, male	200	9.8%	20-49
Ages 40–59, male	200	9.8%	20-49
Ages 5–14, male	195	9.6%	20-49
Ages 5–14, female	130	6.4%	5-19
Other / suppressed	60	2.9%	5-19

Out-migrants (departures)

Migrant type
Category	Estimate	Share	Sample
First move from municipality of birth	1,345	51.5%	100-499
Multi-step migration	1,030	39.5%	100-499
Return to municipality of birth	235	9.0%	20-49

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
Completed high school, incomplete higher education	525	36.7%	50-99
No schooling or incomplete elementary	490	34.3%	50-99
Completed elementary, incomplete high school	235	16.4%	20-49
Completed higher education	180	12.6%	20-49

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
½ to 1 minimum wage	1,045	40.0%	100-499
1 to 2 minimum wages	495	19.0%	50-99
Up to ¼ of a minimum wage	370	14.2%	50-99
¼ to ½ minimum wage	360	13.8%	50-99
More than 2 minimum wages	305	11.7%	20-49
Other / suppressed	35	1.3%	<5

Age and sex
Category	Estimate	Share	Sample
Ages 25–39, male	450	17.3%	50-99
Ages 25–39, female	425	16.3%	50-99
Ages 15–24, female	355	13.6%	50-99
Ages 5–14, female	305	11.7%	20-49
Ages 15–24, male	305	11.7%	20-49
Ages 40–59, female	255	9.8%	20-49
Ages 5–14, male	215	8.3%	20-49
Ages 40–59, male	165	6.3%	20-49
Ages 60 and over, male	110	4.2%	5-19
Ages 60 and over, female	20	0.8%	5-19

Non-migrant residents

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	6,005	46.4%	>=500
Completed high school, incomplete higher education	3,310	25.6%	100-499
Completed higher education	1,915	14.8%	100-499
Completed elementary, incomplete high school	1,720	13.3%	100-499

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
½ to 1 minimum wage	6,965	31.9%	>=500
¼ to ½ minimum wage	6,875	31.5%	>=500
Up to ¼ of a minimum wage	3,385	15.5%	100-499
1 to 2 minimum wages	2,935	13.4%	100-499
More than 2 minimum wages	1,665	7.6%	100-499
Other / suppressed	10	0.0%	<5

Age and sex
Category	Estimate	Share	Sample
Ages 40–59, female	2,625	13.2%	100-499
Ages 25–39, female	2,585	13.0%	100-499
Ages 40–59, male	2,545	12.8%	100-499
Ages 25–39, male	2,440	12.2%	100-499
Ages 5–14, male	1,815	9.1%	100-499
Ages 15–24, male	1,770	8.9%	100-499
Ages 5–14, female	1,695	8.5%	100-499
Ages 15–24, female	1,685	8.5%	100-499
Ages 60 and over, female	1,425	7.2%	100-499
Ages 60 and over, male	1,335	6.7%	100-499

Commuting (work and study)

Commuting indicators for Porto Franco/MA
Employed persons (aged 10 and over)	8,980
Commute out to work in another municipality	515
Commute in from another municipality to work here	420
Net commuting	−95
Out-commuting rate (%)	5.73
Commuting attraction index	0.972
Median commuting time	60 min

This municipality is part of Região Metropolitana do Sudoeste Maranhense → see the metropolitan region page

Open Porto Franco/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]: Porto Franco/MA. Data from the 2022 Demographic Census (IBGE). Data version: 2026-10-01. Available at: https://atlas-da-migracao.github.io/en/municipio/porto-franco-ma-2109007/. Dataset DOI: https://doi.org/10.5281/zenodo.22469791.