Migration in Iaçu/BA (2017–2022)

Iaçu/BA had a reference population (aged 5 or over in 2022) of 23,040 people. In the 2017–2022 five-year period, the municipality received 1,445 in-migrants and lost 2,075 out-migrants to other municipalities in Brazil, resulting in a net migration of −630 people (−27.29 per 1,000 population) and a migration effectiveness index (IEM) of −0.178. This classifies the municipality, for the period, as one of migratory depletion. In addition, 50 arrived with an unreported origin and 0 came from abroad.

Indicators

Migration indicators for Iaçu/BA, 2017–2022
Indicator	Estimate	95% CI	Precision
In-migrants	1,445	1,109 to 1,781	good
Out-migrants	2,075	1,589 to 2,561	good
Net migration	−630	−1,221 to −39	not classified
Net migration rate, TLM (per 1,000 pop.)	−27.29	-	-
Migration effectiveness index (IEM)	−0.178	-	-

Sample of in-migrants: 100-499 observations. Sample of out-migrants: 100-499 observations. 95% confidence interval computed as estimate ± 1.96 × standard error.

Top origins and destinations

Top 10 origins of in-migrants to Iaçu/BA
Origin	People	Precision
Salvador/BA · view pair in the atlas	300	low precision
Itaberaba/BA · view pair in the atlas	135	low precision
São Paulo/SP · view pair in the atlas	85	low precision
Piracicaba/SP · view pair in the atlas	70	low precision
Castro Alves/BA · view pair in the atlas	55	low precision
Milagres/BA · view pair in the atlas	55	low precision

Top 10 destinations of out-migrants from Iaçu/BA
Destination	People	Precision
Iracemápolis/SP · view pair in the atlas	205	low precision
Itaberaba/BA · view pair in the atlas	205	low precision
Piracicaba/SP · view pair in the atlas	195	low precision
Três Lagoas/MS · view pair in the atlas	90	low precision
Santa Bárbara d'Oeste/SP · view pair in the atlas	65	low precision
Castro Alves/BA · view pair in the atlas	55	low precision
Itatim/BA · view pair in the atlas	45	low precision
Marcionílio Souza/BA · view pair in the atlas	40	low precision
Planaltino/BA · view pair in the atlas	30	low precision
Brejões/BA · 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	550	37.9%	50-99
First move from municipality of birth	495	34.1%	50-99
Return to municipality of birth	405	27.9%	20-49

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	330	37.5%	20-49
Completed high school, incomplete higher education	295	33.5%	20-49
Completed higher education	130	14.8%	5-19
Completed elementary, incomplete high school	125	14.2%	5-19

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
½ to 1 minimum wage	520	35.9%	50-99
¼ to ½ minimum wage	440	30.3%	20-49
Up to ¼ of a minimum wage	280	19.3%	20-49
1 to 2 minimum wages	180	12.4%	5-19
Other / suppressed	30	2.1%	<5

Age and sex
Category	Estimate	Share	Sample
Ages 25–39, female	240	16.5%	20-49
Ages 25–39, male	200	13.7%	20-49
Ages 40–59, female	200	13.7%	20-49
Ages 5–14, male	155	10.7%	5-19
Ages 40–59, male	150	10.3%	5-19
Ages 15–24, female	145	10.0%	5-19
Ages 5–14, female	145	10.0%	5-19
Ages 15–24, male	125	8.6%	5-19
Ages 60 and over, male	65	4.5%	5-19
Other / suppressed	30	2.1%	<5

Out-migrants (departures)

Migrant type
Category	Estimate	Share	Sample
First move from municipality of birth	1,465	70.6%	100-499
Multi-step migration	525	25.3%	50-99
Return to municipality of birth	85	4.1%	5-19

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
Completed high school, incomplete higher education	455	41.4%	20-49
No schooling or incomplete elementary	410	37.3%	50-99
Completed elementary, incomplete high school	185	16.8%	5-19
Completed higher education	50	4.5%	5-19

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
½ to 1 minimum wage	780	37.5%	50-99
¼ to ½ minimum wage	480	23.1%	50-99
1 to 2 minimum wages	380	18.3%	20-49
Up to ¼ of a minimum wage	285	13.7%	20-49
More than 2 minimum wages	135	6.5%	5-19
Other / suppressed	20	1.0%	<5

Age and sex
Category	Estimate	Share	Sample
Ages 25–39, female	405	19.5%	20-49
Ages 15–24, male	335	16.1%	20-49
Ages 15–24, female	310	14.9%	20-49
Ages 25–39, male	250	12.0%	20-49
Ages 5–14, male	215	10.4%	20-49
Ages 40–59, male	165	8.0%	5-19
Ages 40–59, female	150	7.2%	5-19
Ages 5–14, female	115	5.5%	5-19
Ages 60 and over, female	85	4.1%	5-19
Ages 60 and over, male	45	2.2%	5-19

Non-migrant residents

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	8,345	57.1%	>=500
Completed high school, incomplete higher education	3,485	23.8%	100-499
Completed elementary, incomplete high school	1,800	12.3%	100-499
Completed higher education	995	6.8%	50-99

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
½ to 1 minimum wage	7,145	30.9%	>=500
¼ to ½ minimum wage	6,675	28.9%	>=500
Up to ¼ of a minimum wage	6,270	27.1%	>=500
1 to 2 minimum wages	2,335	10.1%	100-499
More than 2 minimum wages	675	2.9%	50-99
Other / suppressed	5	0.0%	<5

Age and sex
Category	Estimate	Share	Sample
Ages 40–59, female	3,030	14.1%	100-499
Ages 40–59, male	2,875	13.3%	100-499
Ages 25–39, female	2,450	11.4%	100-499
Ages 60 and over, female	2,245	10.4%	100-499
Ages 25–39, male	2,100	9.7%	100-499
Ages 60 and over, male	1,930	9.0%	100-499
Ages 15–24, male	1,825	8.5%	100-499
Ages 15–24, female	1,780	8.3%	100-499
Ages 5–14, male	1,670	7.7%	100-499
Ages 5–14, female	1,645	7.6%	100-499

Commuting (work and study)

Commuting indicators for Iaçu/BA
Employed persons (aged 10 and over)	7,850
Commute out to work in another municipality	410
Commute in from another municipality to work here	255
Net commuting	−155
Out-commuting rate (%)	5.25
Commuting attraction index	0.953
Median commuting time	60 min

Open Iaçu/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]: Iaçu/BA. Data from the 2022 Demographic Census (IBGE). Data version: 2026-10-01. Available at: https://atlas-da-migracao.github.io/en/municipio/iacu-ba-2911907/. Dataset DOI: https://doi.org/10.5281/zenodo.22469791.