Migration in Francisco Ayres/PI (2017–2022)

Francisco Ayres/PI had a reference population (aged 5 or over in 2022) of 4,130 people. In the 2017–2022 five-year period, the municipality received 185 in-migrants and lost 330 out-migrants to other municipalities in Brazil, resulting in a net migration of −145 people (−35.36 per 1,000 population) and a migration effectiveness index (IEM) of −0.282. This classifies the municipality, for the period, as one of migratory depletion.

Indicators

Migration indicators for Francisco Ayres/PI, 2017–2022
Indicator	Estimate	95% CI	Precision
In-migrants	185	117 to 253	use with caution
Out-migrants	330	132 to 528	low precision
Net migration	−145	−354 to 64	not classified
Net migration rate, TLM (per 1,000 pop.)	−35.36	-	-
Migration effectiveness index (IEM)	−0.282	-	-

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 Francisco Ayres/PI
Origin	People	Precision
Floriano/PI · view pair in the atlas	35	low precision
São Paulo/SP · view pair in the atlas	20	low precision

Top 10 destinations of out-migrants from Francisco Ayres/PI
Destination	People	Precision
Floriano/PI · view pair in the atlas	100	low precision
Arraial/PI · view pair in the atlas	30	low precision

Profile of migrants and residents

In-migrants (arrivals)

Migrant type
Category	Estimate	Share	Sample
Return to municipality of birth	85	45.9%	20-49
First move from municipality of birth	75	40.5%	20-49
Multi-step migration	25	13.5%	5-19

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	50	41.7%	5-19
Completed high school, incomplete higher education	40	33.3%	5-19
Completed higher education	15	12.5%	5-19
Completed elementary, incomplete high school	15	12.5%	5-19

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
½ to 1 minimum wage	65	35.1%	20-49
¼ to ½ minimum wage	60	32.4%	20-49
Up to ¼ of a minimum wage	40	21.6%	5-19
1 to 2 minimum wages	15	8.1%	5-19
Other / suppressed	5	2.7%	<5

Age and sex
Category	Estimate	Share	Sample
Ages 25–39, female	45	25.0%	5-19
Ages 5–14, male	20	11.1%	5-19
Ages 40–59, female	20	11.1%	5-19
Ages 40–59, male	20	11.1%	5-19
Ages 15–24, female	20	11.1%	5-19
Ages 25–39, male	15	8.3%	5-19
Ages 5–14, female	15	8.3%	5-19
Ages 60 and over, male	15	8.3%	5-19
Other / suppressed	10	5.6%	<5

Out-migrants (departures)

Migrant type
Category	Estimate	Share	Sample
First move from municipality of birth	190	56.7%	20-49
Multi-step migration	105	31.3%	5-19
Return to municipality of birth	40	11.9%	5-19

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	70	34.1%	5-19
Completed high school, incomplete higher education	60	29.3%	5-19
Completed elementary, incomplete high school	40	19.5%	5-19
Other / suppressed	35	17.1%	<5

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
½ to 1 minimum wage	120	36.4%	5-19
Other / suppressed	95	28.8%	5-19
¼ to ½ minimum wage	70	21.2%	5-19
Up to ¼ of a minimum wage	45	13.6%	5-19

Age and sex
Category	Estimate	Share	Sample
Other / suppressed	165	50.0%	20-49
Ages 25–39, female	85	25.8%	5-19
Ages 25–39, male	80	24.2%	5-19

Non-migrant residents

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	1,715	62.6%	>=500
Completed high school, incomplete higher education	530	19.3%	100-499
Completed elementary, incomplete high school	265	9.7%	50-99
Completed higher education	230	8.4%	50-99

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
Up to ¼ of a minimum wage	1,500	35.5%	100-499
½ to 1 minimum wage	1,320	31.3%	100-499
¼ to ½ minimum wage	975	23.1%	100-499
1 to 2 minimum wages	355	8.4%	100-499
More than 2 minimum wages	70	1.7%	20-49

Age and sex
Category	Estimate	Share	Sample
Ages 60 and over, female	515	13.1%	100-499
Ages 40–59, female	515	13.1%	100-499
Ages 40–59, male	465	11.8%	100-499
Ages 60 and over, male	435	11.1%	100-499
Ages 25–39, male	410	10.4%	100-499
Ages 25–39, female	395	10.0%	100-499
Ages 5–14, male	330	8.4%	50-99
Ages 5–14, female	295	7.5%	100-499
Ages 15–24, male	290	7.4%	100-499
Ages 15–24, female	285	7.2%	50-99

Commuting (work and study)

Commuting indicators for Francisco Ayres/PI
Employed persons (aged 10 and over)	800
Commute out to work in another municipality	115
Commute in from another municipality to work here	80
Net commuting	−35
Out-commuting rate (%)	14.26
Commuting attraction index	0.953
Median commuting time	60 min

Open Francisco Ayres/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]: Francisco Ayres/PI. Data from the 2022 Demographic Census (IBGE). Data version: 2026-10-01. Available at: https://atlas-da-migracao.github.io/en/municipio/francisco-ayres-pi-2204105/. Dataset DOI: https://doi.org/10.5281/zenodo.22469791.