Migration in Santo Inácio do Piauí/PI (2017–2022)

Santo Inácio do Piauí/PI had a reference population (aged 5 or over in 2022) of 3,445 people. In the 2017–2022 five-year period, the municipality received 220 in-migrants and lost 220 out-migrants to other municipalities in Brazil, resulting in a net migration of 0 people (−0.35 per 1,000 population) and a migration effectiveness index (IEM) of −0.003. This classifies the municipality, for the period, as one of migratory balance.

Indicators

Migration indicators for Santo Inácio do Piauí/PI, 2017–2022
Indicator	Estimate	95% CI	Precision
In-migrants	220	141 to 299	use with caution
Out-migrants	220	107 to 333	use with caution
Net migration	0	−137 to 137	not classified
Net migration rate, TLM (per 1,000 pop.)	−0.35	-	-
Migration effectiveness index (IEM)	−0.003	-	-

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 Santo Inácio do Piauí/PI
Origin	People	Precision
São Bernardo do Campo/SP · view pair in the atlas	25	low precision
Mauá/SP · view pair in the atlas	20	low precision
Floresta do Piauí/PI · view pair in the atlas	20	low precision
Oeiras/PI · view pair in the atlas	15	low precision
São Paulo/SP · view pair in the atlas	15	low precision

Top 10 destinations of out-migrants from Santo Inácio do Piauí/PI
Destination	People	Precision
Picos/PI · view pair in the atlas	85	low precision
Wall Ferraz/PI · view pair in the atlas	25	low precision

Profile of migrants and residents

In-migrants (arrivals)

Migrant type
Category	Estimate	Share	Sample
Multi-step migration	80	37.2%	20-49
First move from municipality of birth	75	34.9%	20-49
Return to municipality of birth	60	27.9%	20-49

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	65	46.4%	20-49
Completed elementary, incomplete high school	40	28.6%	5-19
Completed high school, incomplete higher education	30	21.4%	5-19
Other / suppressed	5	3.6%	<5

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
¼ to ½ minimum wage	110	48.9%	20-49
Up to ¼ of a minimum wage	50	22.2%	5-19
½ to 1 minimum wage	45	20.0%	5-19
1 to 2 minimum wages	15	6.7%	5-19
Other / suppressed	5	2.2%	<5

Age and sex
Category	Estimate	Share	Sample
Ages 40–59, male	45	20.0%	5-19
Ages 25–39, female	30	13.3%	5-19
Ages 15–24, female	30	13.3%	5-19
Ages 25–39, male	25	11.1%	5-19
Ages 5–14, male	25	11.1%	5-19
Ages 40–59, female	20	8.9%	5-19
Ages 15–24, male	20	8.9%	5-19
Other / suppressed	15	6.7%	5-19
Ages 60 and over, female	15	6.7%	5-19

Out-migrants (departures)

Migrant type
Category	Estimate	Share	Sample
First move from municipality of birth	140	63.6%	5-19
Multi-step migration	65	29.5%	5-19
Other / suppressed	15	6.8%	<5

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
Completed high school, incomplete higher education	75	62.5%	5-19
No schooling or incomplete elementary	35	29.2%	5-19
Other / suppressed	10	8.3%	<5

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
½ to 1 minimum wage	90	40.9%	5-19
1 to 2 minimum wages	65	29.5%	5-19
Other / suppressed	45	20.5%	5-19
Up to ¼ of a minimum wage	20	9.1%	5-19

Age and sex
Category	Estimate	Share	Sample
Other / suppressed	120	53.3%	5-19
Ages 15–24, male	50	22.2%	5-19
Ages 25–39, male	35	15.6%	5-19
Ages 40–59, male	20	8.9%	5-19

Non-migrant residents

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	1,465	62.7%	100-499
Completed high school, incomplete higher education	490	21.0%	100-499
Completed elementary, incomplete high school	220	9.4%	50-99
Completed higher education	160	6.9%	50-99

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
½ to 1 minimum wage	1,395	40.7%	100-499
¼ to ½ minimum wage	865	25.2%	100-499
Up to ¼ of a minimum wage	760	22.2%	100-499
1 to 2 minimum wages	370	10.8%	100-499
More than 2 minimum wages	40	1.2%	5-19

Age and sex
Category	Estimate	Share	Sample
Ages 40–59, male	500	15.5%	100-499
Ages 40–59, female	495	15.3%	100-499
Ages 60 and over, female	375	11.6%	100-499
Ages 60 and over, male	330	10.2%	100-499
Ages 25–39, female	315	9.8%	100-499
Ages 25–39, male	315	9.8%	100-499
Ages 15–24, male	260	8.1%	50-99
Ages 15–24, female	220	6.8%	50-99
Ages 5–14, male	215	6.7%	50-99
Ages 5–14, female	200	6.2%	50-99

Commuting (work and study)

Commuting indicators for Santo Inácio do Piauí/PI
Employed persons (aged 10 and over)	920
Commute out to work in another municipality	40
Commute in from another municipality to work here	15
Net commuting	−25
Out-commuting rate (%)	4.47
Commuting attraction index	0.960
Median commuting time	30 min

Open Santo Inácio do Piauí/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]: Santo Inácio do Piauí/PI. Data from the 2022 Demographic Census (IBGE). Data version: 2026-10-01. Available at: https://atlas-da-migracao.github.io/en/municipio/santo-inacio-do-piaui-pi-2209500/. Dataset DOI: https://doi.org/10.5281/zenodo.22469791.