Migration in Coivaras/PI (2017–2022)

Coivaras/PI had a reference population (aged 5 or over in 2022) of 3,860 people. In the 2017–2022 five-year period, the municipality received 300 in-migrants and lost 125 out-migrants to other municipalities in Brazil, resulting in a net migration of +175 people (45.36 per 1,000 population) and a migration effectiveness index (IEM) of 0.415. This classifies the municipality, for the period, as one of migratory attraction. In addition, 5 arrived with an unreported origin and 0 came from abroad.

Indicators

Migration indicators for Coivaras/PI, 2017–2022
Indicator	Estimate	95% CI	Precision
In-migrants	300	201 to 399	use with caution
Out-migrants	125	34 to 216	low precision
Net migration	+175	40 to 310	not classified
Net migration rate, TLM (per 1,000 pop.)	45.36	-	-
Migration effectiveness index (IEM)	0.415	-	-

Sample of in-migrants: 100-499 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 Coivaras/PI
Origin	People	Precision
Teresina/PI · view pair in the atlas	90	low precision
Altos/PI · view pair in the atlas	45	low precision
Campo Maior/PI · view pair in the atlas	45	low precision
Brasília/DF · view pair in the atlas	15	low precision

Top 10 destinations of out-migrants from Coivaras/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
First move from municipality of birth	160	53.3%	50-99
Multi-step migration	105	35.0%	20-49
Return to municipality of birth	35	11.7%	5-19

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	65	43.3%	20-49
Completed high school, incomplete higher education	40	26.7%	5-19
Completed elementary, incomplete high school	30	20.0%	5-19
Other / suppressed	15	10.0%	<5

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
¼ to ½ minimum wage	110	36.7%	20-49
Up to ¼ of a minimum wage	100	33.3%	20-49
½ to 1 minimum wage	70	23.3%	20-49
1 to 2 minimum wages	15	5.0%	5-19
Other / suppressed	5	1.7%	<5

Age and sex
Category	Estimate	Share	Sample
Ages 5–14, female	55	18.0%	5-19
Ages 25–39, female	50	16.4%	5-19
Ages 5–14, male	40	13.1%	5-19
Ages 15–24, female	40	13.1%	5-19
Ages 25–39, male	35	11.5%	5-19
Ages 40–59, male	25	8.2%	5-19
Ages 40–59, female	25	8.2%	5-19
Other / suppressed	20	6.6%	5-19
Ages 15–24, male	15	4.9%	5-19

Out-migrants (departures)

Migrant type
Category	Estimate	Share	Sample
First move from municipality of birth	65	54.2%	5-19
Other / suppressed	55	45.8%	5-19

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
Other / suppressed	55	100.0%	5-19

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
Other / suppressed	75	62.5%	5-19
¼ to ½ minimum wage	45	37.5%	5-19

Age and sex
Category	Estimate	Share	Sample
Other / suppressed	125	100.0%	5-19

Non-migrant residents

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	1,475	60.7%	100-499
Completed high school, incomplete higher education	565	23.3%	100-499
Completed elementary, incomplete high school	270	11.1%	50-99
Completed higher education	120	4.9%	20-49

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
½ to 1 minimum wage	1,270	33.3%	100-499
Up to ¼ of a minimum wage	1,135	29.8%	100-499
¼ to ½ minimum wage	1,125	29.5%	100-499
1 to 2 minimum wages	230	6.0%	50-99
More than 2 minimum wages	55	1.4%	5-19

Age and sex
Category	Estimate	Share	Sample
Ages 40–59, male	515	14.5%	100-499
Ages 40–59, female	460	12.9%	100-499
Ages 25–39, male	410	11.5%	100-499
Ages 25–39, female	405	11.4%	100-499
Ages 60 and over, female	335	9.4%	100-499
Ages 15–24, male	320	9.0%	100-499
Ages 60 and over, male	315	8.8%	100-499
Ages 5–14, male	305	8.6%	100-499
Ages 15–24, female	250	7.0%	50-99
Ages 5–14, female	245	6.9%	50-99

Commuting (work and study)

Commuting indicators for Coivaras/PI
Employed persons (aged 10 and over)	1,065
Commute out to work in another municipality	140
Commute in from another municipality to work here	55
Net commuting	−90
Out-commuting rate (%)	13.23
Commuting attraction index	0.906
Median commuting time	60 min

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

Open Coivaras/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]: Coivaras/PI. Data from the 2022 Demographic Census (IBGE). Data version: 2026-10-01. Available at: https://atlas-da-migracao.github.io/en/municipio/coivaras-pi-2202737/. Dataset DOI: https://doi.org/10.5281/zenodo.22469791.