Migration in Iuiu/BA (2017–2022)

Iuiu/BA had a reference population (aged 5 or over in 2022) of 10,370 people. In the 2017–2022 five-year period, the municipality received 140 in-migrants and lost 445 out-migrants to other municipalities in Brazil, resulting in a net migration of −310 people (−29.69 per 1,000 population) and a migration effectiveness index (IEM) of −0.526. This classifies the municipality, for the period, as one of migratory depletion. In addition, 5 arrived with an unreported origin and 0 came from abroad.

Indicators

Migration indicators for Iuiu/BA, 2017–2022
Indicator	Estimate	95% CI	Precision
In-migrants	140	71 to 209	use with caution
Out-migrants	445	219 to 671	use with caution
Net migration	−310	−546 to −74	not classified
Net migration rate, TLM (per 1,000 pop.)	−29.69	-	-
Migration effectiveness index (IEM)	−0.526	-	-

Sample of in-migrants: 20-49 observations. Sample of out-migrants: 50-99 observations. 95% confidence interval computed as estimate ± 1.96 × standard error.

Top origins and destinations

Top 10 origins of in-migrants to Iuiu/BA
Origin	People	Precision
No inflows published individually (below the disclosure threshold).

Top 10 destinations of out-migrants from Iuiu/BA
Destination	People	Precision
Malhada/BA · 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	70	50.0%	5-19
First move from municipality of birth	65	46.4%	5-19
Other / suppressed	5	3.6%	<5

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	35	38.9%	5-19
Other / suppressed	30	33.3%	5-19
Completed high school, incomplete higher education	25	27.8%	5-19

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
½ to 1 minimum wage	60	44.4%	5-19
Up to ¼ of a minimum wage	45	33.3%	5-19
¼ to ½ minimum wage	25	18.5%	5-19
Other / suppressed	5	3.7%	<5

Age and sex
Category	Estimate	Share	Sample
Other / suppressed	90	64.3%	5-19
Ages 25–39, male	30	21.4%	5-19
Ages 40–59, female	20	14.3%	5-19

Out-migrants (departures)

Migrant type
Category	Estimate	Share	Sample
First move from municipality of birth	300	66.7%	20-49
Multi-step migration	125	27.8%	5-19
Other / suppressed	25	5.6%	<5

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	95	50.0%	5-19
Completed high school, incomplete higher education	65	34.2%	5-19
Other / suppressed	30	15.8%	<5

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
¼ to ½ minimum wage	220	50.0%	20-49
½ to 1 minimum wage	140	31.8%	20-49
Other / suppressed	50	11.4%	5-19
Up to ¼ of a minimum wage	30	6.8%	5-19

Age and sex
Category	Estimate	Share	Sample
Ages 15–24, female	95	21.1%	5-19
Ages 5–14, male	70	15.6%	5-19
Ages 5–14, female	65	14.4%	5-19
Ages 40–59, male	60	13.3%	5-19
Ages 25–39, female	60	13.3%	5-19
Ages 25–39, male	45	10.0%	5-19
Ages 15–24, male	30	6.7%	5-19
Other / suppressed	25	5.6%	5-19

Non-migrant residents

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	3,910	57.2%	>=500
Completed high school, incomplete higher education	1,875	27.4%	100-499
Completed elementary, incomplete high school	665	9.7%	100-499
Completed higher education	385	5.6%	50-99

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
¼ to ½ minimum wage	3,780	34.5%	>=500
½ to 1 minimum wage	3,300	30.1%	>=500
Up to ¼ of a minimum wage	2,950	26.9%	>=500
1 to 2 minimum wages	825	7.5%	100-499
More than 2 minimum wages	115	1.0%	20-49

Age and sex
Category	Estimate	Share	Sample
Ages 40–59, male	1,355	13.3%	100-499
Ages 40–59, female	1,325	13.0%	100-499
Ages 25–39, male	1,325	13.0%	100-499
Ages 25–39, female	1,310	12.8%	100-499
Ages 15–24, male	985	9.6%	100-499
Ages 15–24, female	875	8.6%	100-499
Ages 5–14, female	780	7.6%	100-499
Ages 60 and over, female	760	7.4%	100-499
Ages 60 and over, male	760	7.4%	100-499
Ages 5–14, male	750	7.3%	100-499

Commuting (work and study)

Commuting indicators for Iuiu/BA
Employed persons (aged 10 and over)	3,100
Commute out to work in another municipality	130
Commute in from another municipality to work here	135
Net commuting	+5
Out-commuting rate (%)	4.25
Commuting attraction index	0.991
Median commuting time	375 min

Open Iuiu/BA 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]: Iuiu/BA. Data from the 2022 Demographic Census (IBGE). Data version: 2026-10-01. Available at: https://atlas-da-migracao.github.io/en/municipio/iuiu-ba-2917334/. Dataset DOI: https://doi.org/10.5281/zenodo.22469791.