Migration in São João do Arraial/PI (2017–2022)

São João do Arraial/PI had a reference population (aged 5 or over in 2022) of 7,555 people. In the 2017–2022 five-year period, the municipality received 325 in-migrants and lost 360 out-migrants to other municipalities in Brazil, resulting in a net migration of −35 people (−4.55 per 1,000 population) and a migration effectiveness index (IEM) of −0.050. This classifies the municipality, for the period, as one of migratory depletion.

Indicators

Migration indicators for São João do Arraial/PI, 2017–2022
Indicator	Estimate	95% CI	Precision
In-migrants	325	210 to 440	use with caution
Out-migrants	360	133 to 587	low precision
Net migration	−35	−290 to 220	not classified
Net migration rate, TLM (per 1,000 pop.)	−4.55	-	-
Migration effectiveness index (IEM)	−0.050	-	-

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 São João do Arraial/PI
Origin	People	Precision
Teresina/PI · view pair in the atlas	65	low precision
Brasília/DF · view pair in the atlas	40	low precision
Esperantina/PI · view pair in the atlas	20	low precision

Top 10 destinations of out-migrants from São João do Arraial/PI
Destination	People	Precision
Teresina/PI · view pair in the atlas	145	low precision
Esperantina/PI · view pair in the atlas	75	low precision
Campo Largo do Piauí/PI · view pair in the atlas	25	low precision

Profile of migrants and residents

In-migrants (arrivals)

Migrant type
Category	Estimate	Share	Sample
First move from municipality of birth	150	46.2%	20-49
Return to municipality of birth	90	27.7%	5-19
Multi-step migration	85	26.2%	5-19

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	120	52.2%	20-49
Completed high school, incomplete higher education	65	28.3%	5-19
Other / suppressed	45	19.6%	5-19

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
½ to 1 minimum wage	125	38.5%	20-49
¼ to ½ minimum wage	110	33.8%	20-49
Up to ¼ of a minimum wage	60	18.5%	5-19
Other / suppressed	30	9.2%	5-19

Age and sex
Category	Estimate	Share	Sample
Other / suppressed	75	23.1%	5-19
Ages 40–59, male	65	20.0%	5-19
Ages 40–59, female	50	15.4%	5-19
Ages 25–39, female	45	13.8%	5-19
Ages 25–39, male	35	10.8%	5-19
Ages 5–14, male	30	9.2%	5-19
Ages 15–24, female	25	7.7%	5-19

Out-migrants (departures)

Migrant type
Category	Estimate	Share	Sample
First move from municipality of birth	190	52.1%	5-19
Multi-step migration	110	30.1%	5-19
Return to municipality of birth	65	17.8%	5-19

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
Other / suppressed	85	53.1%	5-19
No schooling or incomplete elementary	75	46.9%	5-19

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
½ to 1 minimum wage	200	55.6%	5-19
¼ to ½ minimum wage	55	15.3%	5-19
1 to 2 minimum wages	50	13.9%	5-19
Up to ¼ of a minimum wage	45	12.5%	5-19
Other / suppressed	10	2.8%	<5

Age and sex
Category	Estimate	Share	Sample
Other / suppressed	155	43.1%	5-19
Ages 15–24, male	90	25.0%	5-19
Ages 5–14, male	60	16.7%	5-19
Ages 25–39, female	55	15.3%	5-19

Non-migrant residents

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	3,070	67.9%	>=500
Completed elementary, incomplete high school	645	14.3%	100-499
Completed high school, incomplete higher education	585	12.9%	100-499
Completed higher education	220	4.9%	20-49

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
Up to ¼ of a minimum wage	3,020	38.4%	>=500
¼ to ½ minimum wage	2,555	32.5%	100-499
½ to 1 minimum wage	1,825	23.2%	100-499
1 to 2 minimum wages	365	4.6%	50-99
More than 2 minimum wages	95	1.2%	5-19

Age and sex
Category	Estimate	Share	Sample
Ages 25–39, male	905	12.5%	100-499
Ages 25–39, female	890	12.3%	100-499
Ages 40–59, female	810	11.2%	100-499
Ages 40–59, male	795	11.0%	100-499
Ages 15–24, male	750	10.4%	100-499
Ages 15–24, female	670	9.3%	100-499
Ages 5–14, female	660	9.1%	100-499
Ages 5–14, male	625	8.6%	100-499
Ages 60 and over, female	575	8.0%	100-499
Ages 60 and over, male	550	7.6%	100-499

Commuting (work and study)

Commuting indicators for São João do Arraial/PI
Employed persons (aged 10 and over)	2,640
Commute out to work in another municipality	155
Commute in from another municipality to work here	55
Net commuting	−95
Out-commuting rate (%)	5.79
Commuting attraction index	0.950
Median commuting time	60 min

Open São João do Arraial/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]: São João do Arraial/PI. Data from the 2022 Demographic Census (IBGE). Data version: 2026-10-01. Available at: https://atlas-da-migracao.github.io/en/municipio/sao-joao-do-arraial-pi-2209971/. Dataset DOI: https://doi.org/10.5281/zenodo.22469791.