Migration in Ilha Grande/PI (2017–2022)

Ilha Grande/PI had a reference population (aged 5 or over in 2022) of 8,625 people. In the 2017–2022 five-year period, the municipality received 510 in-migrants and lost 180 out-migrants to other municipalities in Brazil, resulting in a net migration of +330 people (38.14 per 1,000 population) and a migration effectiveness index (IEM) of 0.478. This classifies the municipality, for the period, as one of migratory attraction. In addition, 50 arrived with an unreported origin and 5 came from abroad.

Indicators

Migration indicators for Ilha Grande/PI, 2017–2022
Indicator	Estimate	95% CI	Precision
In-migrants	510	355 to 665	use with caution
Out-migrants	180	43 to 317	low precision
Net migration	+330	123 to 537	not classified
Net migration rate, TLM (per 1,000 pop.)	38.14	-	-
Migration effectiveness index (IEM)	0.478	-	-

Sample of in-migrants: 50-99 observations. Sample of out-migrants: 5-19 observations. 95% confidence interval computed as estimate ± 1.96 × standard error.

Top origins and destinations

Top 10 origins of in-migrants to Ilha Grande/PI
Origin	People	Precision
Fortaleza/CE · view pair in the atlas	95	low precision
Parnaíba/PI · view pair in the atlas	90	low precision
Brasília/DF · view pair in the atlas	75	low precision
Araioses/MA · view pair in the atlas	70	low precision

Top 10 destinations of out-migrants from Ilha Grande/PI
Destination	People	Precision
No outflows published individually (below the disclosure threshold).

Profile of migrants and residents

In-migrants (arrivals)

Migrant type
Category	Estimate	Share	Sample
Return to municipality of birth	210	41.2%	20-49
First move from municipality of birth	170	33.3%	20-49
Multi-step migration	130	25.5%	20-49

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	155	48.4%	20-49
Completed high school, incomplete higher education	85	26.6%	5-19
Completed elementary, incomplete high school	55	17.2%	5-19
Completed higher education	25	7.8%	5-19

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
¼ to ½ minimum wage	155	30.7%	20-49
½ to 1 minimum wage	120	23.8%	20-49
Up to ¼ of a minimum wage	120	23.8%	20-49
1 to 2 minimum wages	85	16.8%	5-19
More than 2 minimum wages	25	5.0%	5-19

Age and sex
Category	Estimate	Share	Sample
Ages 25–39, female	80	16.2%	5-19
Ages 25–39, male	65	13.1%	5-19
Ages 40–59, male	65	13.1%	5-19
Ages 15–24, female	65	13.1%	5-19
Ages 40–59, female	50	10.1%	5-19
Ages 5–14, female	50	10.1%	5-19
Ages 5–14, male	40	8.1%	5-19
Ages 60 and over, male	35	7.1%	5-19
Ages 60 and over, female	25	5.1%	5-19
Other / suppressed	20	4.0%	<5

Out-migrants (departures)

Migrant type
Category	Estimate	Share	Sample
First move from municipality of birth	120	68.6%	5-19
Multi-step migration	55	31.4%	5-19

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
Other / suppressed	70	100.0%	5-19

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
Up to ¼ of a minimum wage	70	38.9%	5-19
½ to 1 minimum wage	60	33.3%	5-19
Other / suppressed	50	27.8%	5-19

Age and sex
Category	Estimate	Share	Sample
Other / suppressed	130	72.2%	5-19
Ages 15–24, female	50	27.8%	5-19

Non-migrant residents

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	3,020	57.2%	>=500
Completed high school, incomplete higher education	1,250	23.7%	100-499
Completed elementary, incomplete high school	585	11.1%	100-499
Completed higher education	425	8.0%	50-99

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
¼ to ½ minimum wage	2,885	33.1%	>=500
Up to ¼ of a minimum wage	2,455	28.2%	100-499
½ to 1 minimum wage	2,430	27.9%	100-499
1 to 2 minimum wages	825	9.5%	100-499
More than 2 minimum wages	115	1.3%	20-49

Age and sex
Category	Estimate	Share	Sample
Ages 40–59, male	1,075	13.3%	100-499
Ages 40–59, female	1,060	13.1%	100-499
Ages 25–39, male	1,025	12.7%	100-499
Ages 25–39, female	950	11.8%	100-499
Ages 15–24, male	790	9.8%	100-499
Ages 15–24, female	720	8.9%	100-499
Ages 5–14, male	660	8.2%	100-499
Ages 60 and over, female	625	7.7%	100-499
Ages 5–14, female	615	7.6%	100-499
Ages 60 and over, male	545	6.8%	100-499

Commuting (work and study)

Commuting indicators for Ilha Grande/PI
Employed persons (aged 10 and over)	3,490
Commute out to work in another municipality	850
Commute in from another municipality to work here	200
Net commuting	−650
Out-commuting rate (%)	24.39
Commuting attraction index	0.814
Median commuting time	30 min

This municipality is part of Região Metropolitana de Parnaíba → see the metropolitan region page

Open Ilha Grande/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]: Ilha Grande/PI. Data from the 2022 Demographic Census (IBGE). Data version: 2026-10-01. Available at: https://atlas-da-migracao.github.io/en/municipio/ilha-grande-pi-2204659/. Dataset DOI: https://doi.org/10.5281/zenodo.22469791.