Migration in Lagoa Alegre/PI (2017–2022)

Lagoa Alegre/PI had a reference population (aged 5 or over in 2022) of 7,735 people. In the 2017–2022 five-year period, the municipality received 545 in-migrants and lost 435 out-migrants to other municipalities in Brazil, resulting in a net migration of +110 people (14.08 per 1,000 population) and a migration effectiveness index (IEM) of 0.111. This classifies the municipality, for the period, as one of migratory attraction.

Indicators

Migration indicators for Lagoa Alegre/PI, 2017–2022
Indicator	Estimate	95% CI	Precision
In-migrants	545	392 to 698	good
Out-migrants	435	241 to 629	use with caution
Net migration	+110	−138 to 358	not classified
Net migration rate, TLM (per 1,000 pop.)	14.08	-	-
Migration effectiveness index (IEM)	0.111	-	-

Sample of in-migrants: 100-499 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 Lagoa Alegre/PI
Origin	People	Precision
Teresina/PI · view pair in the atlas	210	use with caution
União/PI · view pair in the atlas	65	low precision
José de Freitas/PI · view pair in the atlas	35	low precision
Miguel Alves/PI · view pair in the atlas	30	low precision
Barras/PI · view pair in the atlas	15	low precision

Top 10 destinations of out-migrants from Lagoa Alegre/PI
Destination	People	Precision
Teresina/PI · view pair in the atlas	165	low precision
Cabeceiras do Piauí/PI · 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	260	47.7%	50-99
Multi-step migration	145	26.6%	20-49
Return to municipality of birth	140	25.7%	20-49

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	130	37.1%	20-49
Completed high school, incomplete higher education	115	32.9%	20-49
Completed elementary, incomplete high school	70	20.0%	5-19
Completed higher education	35	10.0%	5-19

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
½ to 1 minimum wage	190	34.5%	20-49
Up to ¼ of a minimum wage	145	26.4%	20-49
¼ to ½ minimum wage	105	19.1%	20-49
1 to 2 minimum wages	90	16.4%	5-19
More than 2 minimum wages	20	3.6%	5-19

Age and sex
Category	Estimate	Share	Sample
Ages 25–39, female	110	20.4%	20-49
Ages 25–39, male	75	13.9%	5-19
Ages 15–24, female	65	12.0%	5-19
Ages 5–14, male	60	11.1%	5-19
Ages 40–59, male	55	10.2%	5-19
Ages 40–59, female	45	8.3%	5-19
Ages 15–24, male	45	8.3%	5-19
Ages 60 and over, male	30	5.6%	5-19
Ages 60 and over, female	30	5.6%	5-19
Ages 5–14, female	25	4.6%	5-19

Out-migrants (departures)

Migrant type
Category	Estimate	Share	Sample
Multi-step migration	235	54.0%	20-49
First move from municipality of birth	160	36.8%	5-19
Other / suppressed	40	9.2%	<5

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	95	57.6%	5-19
Other / suppressed	40	24.2%	5-19
Completed elementary, incomplete high school	30	18.2%	5-19

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
½ to 1 minimum wage	185	42.0%	5-19
¼ to ½ minimum wage	110	25.0%	5-19
Up to ¼ of a minimum wage	70	15.9%	5-19
Other / suppressed	40	9.1%	<5
1 to 2 minimum wages	35	8.0%	5-19

Age and sex
Category	Estimate	Share	Sample
Ages 15–24, female	115	26.4%	5-19
Ages 15–24, male	105	24.1%	5-19
Other / suppressed	75	17.2%	5-19
Ages 25–39, female	55	12.6%	5-19
Ages 25–39, male	45	10.3%	5-19
Ages 5–14, male	40	9.2%	5-19

Non-migrant residents

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	3,040	64.7%	>=500
Completed high school, incomplete higher education	720	15.3%	100-499
Completed elementary, incomplete high school	565	12.0%	100-499
Completed higher education	375	8.0%	50-99

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
½ to 1 minimum wage	2,325	30.2%	100-499
¼ to ½ minimum wage	2,205	28.6%	100-499
Up to ¼ of a minimum wage	2,165	28.1%	100-499
1 to 2 minimum wages	795	10.3%	100-499
More than 2 minimum wages	220	2.9%	20-49

Age and sex
Category	Estimate	Share	Sample
Ages 40–59, female	945	13.1%	100-499
Ages 40–59, male	935	13.0%	100-499
Ages 25–39, male	840	11.7%	100-499
Ages 25–39, female	820	11.4%	100-499
Ages 15–24, male	745	10.4%	100-499
Ages 15–24, female	600	8.3%	100-499
Ages 60 and over, female	585	8.1%	100-499
Ages 5–14, male	580	8.1%	100-499
Ages 60 and over, male	575	8.0%	100-499
Ages 5–14, female	570	7.9%	50-99

Commuting (work and study)

Commuting indicators for Lagoa Alegre/PI
Employed persons (aged 10 and over)	2,155
Commute out to work in another municipality	325
Commute in from another municipality to work here	130
Net commuting	−195
Out-commuting rate (%)	15.16
Commuting attraction index	0.747
Median commuting time	60 min

This municipality is part of Região Integrada de Desenvolvimento da Grande Teresina → see the metropolitan region page

Open Lagoa Alegre/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]: Lagoa Alegre/PI. Data from the 2022 Demographic Census (IBGE). Data version: 2026-10-01. Available at: https://atlas-da-migracao.github.io/en/municipio/lagoa-alegre-pi-2205557/. Dataset DOI: https://doi.org/10.5281/zenodo.22469791.