Migration in Bertolínia/PI (2017–2022)

Bertolínia/PI had a reference population (aged 5 or over in 2022) of 5,200 people. In the 2017–2022 five-year period, the municipality received 490 in-migrants and lost 335 out-migrants to other municipalities in Brazil, resulting in a net migration of +155 people (29.74 per 1,000 population) and a migration effectiveness index (IEM) of 0.188. This classifies the municipality, for the period, as one of migratory attraction. In addition, 15 arrived with an unreported origin and 5 came from abroad.

Indicators

Migration indicators for Bertolínia/PI, 2017–2022
Indicator	Estimate	95% CI	Precision
In-migrants	490	362 to 618	good
Out-migrants	335	204 to 466	use with caution
Net migration	+155	−28 to 338	not classified
Net migration rate, TLM (per 1,000 pop.)	29.74	-	-
Migration effectiveness index (IEM)	0.188	-	-

Sample of in-migrants: 100-499 observations. Sample of out-migrants: 50-99 observations. 95% confidence interval computed as estimate ± 1.96 × standard error.

Top origins and destinations

Top 10 origins of in-migrants to Bertolínia/PI
Origin	People	Precision
Brasília/DF · view pair in the atlas	95	low precision
Teresina/PI · view pair in the atlas	45	use with caution
Sebastião Leal/PI · view pair in the atlas	40	low precision
Manoel Emídio/PI · view pair in the atlas	25	low precision
Uruçuí/PI · view pair in the atlas	25	low precision
Osasco/SP · view pair in the atlas	20	low precision
Floriano/PI · view pair in the atlas	20	low precision

Top 10 destinations of out-migrants from Bertolínia/PI
Destination	People	Precision
Sebastião Leal/PI · view pair in the atlas	55	low precision
Manoel Emídio/PI · view pair in the atlas	20	low precision
Landri Sales/PI · view pair in the atlas	15	low precision

Profile of migrants and residents

In-migrants (arrivals)

Migrant type
Category	Estimate	Share	Sample
Return to municipality of birth	180	37.1%	50-99
First move from municipality of birth	170	35.1%	20-49
Multi-step migration	135	27.8%	20-49

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	115	41.8%	20-49
Completed high school, incomplete higher education	75	27.3%	20-49
Completed higher education	45	16.4%	5-19
Completed elementary, incomplete high school	40	14.5%	5-19

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
¼ to ½ minimum wage	165	33.7%	20-49
½ to 1 minimum wage	135	27.6%	20-49
Up to ¼ of a minimum wage	100	20.4%	20-49
1 to 2 minimum wages	55	11.2%	5-19
More than 2 minimum wages	35	7.1%	5-19

Age and sex
Category	Estimate	Share	Sample
Ages 25–39, female	80	16.3%	20-49
Ages 15–24, female	70	14.3%	20-49
Ages 40–59, male	70	14.3%	20-49
Ages 15–24, male	65	13.3%	5-19
Ages 40–59, female	60	12.2%	5-19
Ages 5–14, female	45	9.2%	5-19
Ages 25–39, male	35	7.1%	5-19
Ages 5–14, male	35	7.1%	5-19
Ages 60 and over, female	20	4.1%	5-19
Other / suppressed	10	2.0%	<5

Out-migrants (departures)

Migrant type
Category	Estimate	Share	Sample
First move from municipality of birth	250	74.6%	20-49
Multi-step migration	45	13.4%	5-19
Return to municipality of birth	40	11.9%	5-19

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	75	41.7%	5-19
Completed high school, incomplete higher education	60	33.3%	5-19
Completed elementary, incomplete high school	25	13.9%	5-19
Other / suppressed	20	11.1%	<5

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
½ to 1 minimum wage	170	50.0%	20-49
¼ to ½ minimum wage	90	26.5%	20-49
Up to ¼ of a minimum wage	55	16.2%	5-19
1 to 2 minimum wages	25	7.4%	5-19

Age and sex
Category	Estimate	Share	Sample
Ages 5–14, male	55	16.7%	5-19
Ages 40–59, male	45	13.6%	5-19
Ages 40–59, female	45	13.6%	5-19
Ages 25–39, female	40	12.1%	5-19
Ages 15–24, male	35	10.6%	5-19
Ages 25–39, male	35	10.6%	5-19
Ages 15–24, female	35	10.6%	5-19
Ages 5–14, female	25	7.6%	5-19
Other / suppressed	15	4.5%	<5

Non-migrant residents

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	1,785	56.5%	>=500
Completed high school, incomplete higher education	640	20.3%	100-499
Completed higher education	415	13.1%	100-499
Completed elementary, incomplete high school	320	10.1%	50-99

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
½ to 1 minimum wage	1,975	39.1%	>=500
¼ to ½ minimum wage	1,530	30.3%	100-499
1 to 2 minimum wages	670	13.3%	100-499
Up to ¼ of a minimum wage	610	12.1%	100-499
More than 2 minimum wages	270	5.3%	50-99

Age and sex
Category	Estimate	Share	Sample
Ages 40–59, male	635	13.5%	100-499
Ages 40–59, female	610	13.0%	100-499
Ages 25–39, male	595	12.7%	100-499
Ages 25–39, female	480	10.2%	100-499
Ages 60 and over, female	460	9.8%	100-499
Ages 5–14, male	415	8.8%	100-499
Ages 15–24, male	395	8.4%	100-499
Ages 60 and over, male	380	8.1%	100-499
Ages 15–24, female	370	7.9%	100-499
Ages 5–14, female	355	7.6%	100-499

Commuting (work and study)

Commuting indicators for Bertolínia/PI
Employed persons (aged 10 and over)	2,210
Commute out to work in another municipality	430
Commute in from another municipality to work here	50
Net commuting	−380
Out-commuting rate (%)	19.50
Commuting attraction index	0.813
Median commuting time	60 min

Open Bertolínia/PI 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]: Bertolínia/PI. Data from the 2022 Demographic Census (IBGE). Data version: 2026-10-01. Available at: https://atlas-da-migracao.github.io/en/municipio/bertolinia-pi-2201705/. Dataset DOI: https://doi.org/10.5281/zenodo.22469791.