Migration in Wall Ferraz/PI (2017–2022)

Wall Ferraz/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 255 in-migrants and lost 195 out-migrants to other municipalities in Brazil, resulting in a net migration of +55 people (14.86 per 1,000 population) and a migration effectiveness index (IEM) of 0.128. This classifies the municipality, for the period, as one of migratory attraction.

Indicators

Migration indicators for Wall Ferraz/PI, 2017–2022
Indicator	Estimate	95% CI	Precision
In-migrants	255	167 to 343	use with caution
Out-migrants	195	85 to 305	use with caution
Net migration	+55	−85 to 195	not classified
Net migration rate, TLM (per 1,000 pop.)	14.86	-	-
Migration effectiveness index (IEM)	0.128	-	-

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 Wall Ferraz/PI
Origin	People	Precision
São Paulo/SP · view pair in the atlas	50	low precision
Santa Cruz do Piauí/PI · view pair in the atlas	40	low precision
Floresta do Piauí/PI · view pair in the atlas	35	low precision
Santo Inácio do Piauí/PI · view pair in the atlas	25	low precision
Teresina/PI · view pair in the atlas	20	low precision

Top 10 destinations of out-migrants from Wall Ferraz/PI
Destination	People	Precision
Picos/PI · view pair in the atlas	115	low precision
Santa Cruz do Piauí/PI · view pair in the atlas	20	low precision

Profile of migrants and residents

In-migrants (arrivals)

Migrant type
Category	Estimate	Share	Sample
Multi-step migration	120	48.0%	20-49
Return to municipality of birth	75	30.0%	20-49
First move from municipality of birth	55	22.0%	20-49

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	75	45.5%	20-49
Completed high school, incomplete higher education	55	33.3%	5-19
Completed elementary, incomplete high school	25	15.2%	5-19
Other / suppressed	10	6.1%	<5

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
Up to ¼ of a minimum wage	135	54.0%	20-49
¼ to ½ minimum wage	55	22.0%	20-49
½ to 1 minimum wage	40	16.0%	5-19
Other / suppressed	20	8.0%	5-19

Age and sex
Category	Estimate	Share	Sample
Ages 25–39, male	40	15.7%	5-19
Ages 5–14, male	35	13.7%	5-19
Ages 5–14, female	35	13.7%	5-19
Ages 25–39, female	30	11.8%	5-19
Ages 40–59, female	25	9.8%	5-19
Ages 60 and over, female	25	9.8%	5-19
Ages 60 and over, male	20	7.8%	5-19
Ages 40–59, male	20	7.8%	5-19
Ages 15–24, female	20	7.8%	5-19
Other / suppressed	5	2.0%	<5

Out-migrants (departures)

Migrant type
Category	Estimate	Share	Sample
First move from municipality of birth	95	48.7%	5-19
Multi-step migration	75	38.5%	5-19
Return to municipality of birth	25	12.8%	5-19

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
Other / suppressed	70	70.0%	5-19
No schooling or incomplete elementary	30	30.0%	5-19

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
Up to ¼ of a minimum wage	75	38.5%	5-19
½ to 1 minimum wage	65	33.3%	5-19
1 to 2 minimum wages	25	12.8%	5-19
¼ to ½ minimum wage	20	10.3%	5-19
Other / suppressed	10	5.1%	<5

Age and sex
Category	Estimate	Share	Sample
Other / suppressed	85	44.7%	5-19
Ages 15–24, female	40	21.1%	5-19
Ages 25–39, male	35	18.4%	5-19
Ages 25–39, female	30	15.8%	5-19

Non-migrant residents

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	1,740	67.3%	>=500
Completed high school, incomplete higher education	405	15.7%	100-499
Completed elementary, incomplete high school	265	10.3%	50-99
Completed higher education	175	6.8%	50-99

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
Up to ¼ of a minimum wage	1,280	33.6%	100-499
½ to 1 minimum wage	1,175	30.8%	100-499
¼ to ½ minimum wage	1,160	30.4%	100-499
1 to 2 minimum wages	155	4.1%	50-99
More than 2 minimum wages	40	1.0%	5-19

Age and sex
Category	Estimate	Share	Sample
Ages 40–59, male	570	15.9%	100-499
Ages 40–59, female	555	15.4%	100-499
Ages 25–39, male	390	10.8%	100-499
Ages 25–39, female	385	10.7%	100-499
Ages 60 and over, female	355	9.9%	100-499
Ages 60 and over, male	320	8.9%	100-499
Ages 15–24, male	315	8.8%	100-499
Ages 15–24, female	290	8.1%	50-99
Ages 5–14, female	210	5.8%	50-99
Ages 5–14, male	205	5.7%	50-99

Commuting (work and study)

Commuting indicators for Wall Ferraz/PI
Employed persons (aged 10 and over)	645
Commute out to work in another municipality	70
Commute in from another municipality to work here	35
Net commuting	−35
Out-commuting rate (%)	11.10
Commuting attraction index	0.939
Median commuting time	76 min

Open Wall Ferraz/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]: Wall Ferraz/PI. Data from the 2022 Demographic Census (IBGE). Data version: 2026-10-01. Available at: https://atlas-da-migracao.github.io/en/municipio/wall-ferraz-pi-2211704/. Dataset DOI: https://doi.org/10.5281/zenodo.22469791.