Migration in Frei Martinho/PB (2017–2022)

Frei Martinho/PB had a reference population (aged 5 or over in 2022) of 2,715 people. In the 2017–2022 five-year period, the municipality received 215 in-migrants and lost 140 out-migrants to other municipalities in Brazil, resulting in a net migration of +70 people (26.44 per 1,000 population) and a migration effectiveness index (IEM) of 0.202. This classifies the municipality, for the period, as one of migratory attraction.

Indicators

Migration indicators for Frei Martinho/PB, 2017–2022
Indicator	Estimate	95% CI	Precision
In-migrants	215	137 to 293	use with caution
Out-migrants	140	53 to 227	low precision
Net migration	+70	−47 to 187	not classified
Net migration rate, TLM (per 1,000 pop.)	26.44	-	-
Migration effectiveness index (IEM)	0.202	-	-

Sample of in-migrants: 50-99 observations. Sample of out-migrants: 20-49 observations. 95% confidence interval computed as estimate ± 1.96 × standard error.

Top origins and destinations

Top 10 origins of in-migrants to Frei Martinho/PB
Origin	People	Precision
Picuí/PB · view pair in the atlas	45	low precision
Currais Novos/RN · view pair in the atlas	35	low precision
Natal/RN · view pair in the atlas	15	low precision

Top 10 destinations of out-migrants from Frei Martinho/PB
Destination	People	Precision
Picuí/PB · view pair in the atlas	40	low precision

Profile of migrants and residents

In-migrants (arrivals)

Migrant type
Category	Estimate	Share	Sample
First move from municipality of birth	90	41.9%	20-49
Multi-step migration	65	30.2%	20-49
Return to municipality of birth	60	27.9%	5-19

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	55	44.0%	5-19
Completed high school, incomplete higher education	45	36.0%	5-19
Completed elementary, incomplete high school	15	12.0%	5-19
Other / suppressed	10	8.0%	<5

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
¼ to ½ minimum wage	80	38.1%	20-49
½ to 1 minimum wage	75	35.7%	20-49
Up to ¼ of a minimum wage	45	21.4%	5-19
Other / suppressed	10	4.8%	<5

Age and sex
Category	Estimate	Share	Sample
Ages 40–59, female	35	16.3%	5-19
Ages 5–14, female	25	11.6%	5-19
Ages 25–39, female	25	11.6%	5-19
Ages 15–24, male	25	11.6%	5-19
Ages 5–14, male	20	9.3%	5-19
Ages 15–24, female	20	9.3%	5-19
Ages 25–39, male	20	9.3%	5-19
Ages 60 and over, female	15	7.0%	5-19
Ages 60 and over, male	15	7.0%	5-19
Ages 40–59, male	15	7.0%	5-19

Out-migrants (departures)

Migrant type
Category	Estimate	Share	Sample
First move from municipality of birth	80	57.1%	5-19
Return to municipality of birth	35	25.0%	5-19
Multi-step migration	25	17.9%	5-19

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	70	70.0%	5-19
Other / suppressed	15	15.0%	<5
Completed high school, incomplete higher education	15	15.0%	5-19

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
½ to 1 minimum wage	65	46.4%	5-19
1 to 2 minimum wages	30	21.4%	5-19
Up to ¼ of a minimum wage	25	17.9%	5-19
Other / suppressed	20	14.3%	5-19

Age and sex
Category	Estimate	Share	Sample
Other / suppressed	95	67.9%	5-19
Ages 25–39, male	25	17.9%	5-19
Ages 25–39, female	20	14.3%	5-19

Non-migrant residents

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	1,105	58.9%	100-499
Completed high school, incomplete higher education	525	28.0%	100-499
Completed elementary, incomplete high school	170	9.1%	50-99
Completed higher education	75	4.0%	20-49

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
½ to 1 minimum wage	1,135	43.1%	100-499
¼ to ½ minimum wage	665	25.2%	100-499
Up to ¼ of a minimum wage	420	15.9%	100-499
1 to 2 minimum wages	335	12.7%	100-499
More than 2 minimum wages	80	3.0%	20-49

Age and sex
Category	Estimate	Share	Sample
Ages 40–59, male	370	14.8%	100-499
Ages 40–59, female	360	14.4%	100-499
Ages 60 and over, female	310	12.4%	100-499
Ages 25–39, male	285	11.4%	50-99
Ages 25–39, female	280	11.2%	50-99
Ages 60 and over, male	275	11.0%	100-499
Ages 15–24, male	185	7.4%	50-99
Ages 5–14, female	150	6.0%	50-99
Ages 15–24, female	145	5.8%	50-99
Ages 5–14, male	145	5.8%	50-99

Commuting (work and study)

Commuting indicators for Frei Martinho/PB
Employed persons (aged 10 and over)	925
Commute out to work in another municipality	80
Commute in from another municipality to work here	95
Net commuting	+15
Out-commuting rate (%)	8.50
Commuting attraction index	0.987
Median commuting time	60 min

This municipality is part of Região Metropolitana de Barra de Santa Rosa → see the metropolitan region page

Open Frei Martinho/PB 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]: Frei Martinho/PB. Data from the 2022 Demographic Census (IBGE). Data version: 2026-10-01. Available at: https://atlas-da-migracao.github.io/en/municipio/frei-martinho-pb-2506202/. Dataset DOI: https://doi.org/10.5281/zenodo.22469791.