Migration in Una/BA (2017–2022)

Una/BA had a reference population (aged 5 or over in 2022) of 16,985 people. In the 2017–2022 five-year period, the municipality received 1,380 in-migrants and lost 1,130 out-migrants to other municipalities in Brazil, resulting in a net migration of +250 people (14.78 per 1,000 population) and a migration effectiveness index (IEM) of 0.100. This classifies the municipality, for the period, as one of migratory attraction. In addition, 10 arrived with an unreported origin and 15 came from abroad.

Indicators

Migration indicators for Una/BA, 2017–2022
Indicator	Estimate	95% CI	Precision
In-migrants	1,380	1,130 to 1,630	good
Out-migrants	1,130	837 to 1,423	good
Net migration	+250	−136 to 636	not classified
Net migration rate, TLM (per 1,000 pop.)	14.78	-	-
Migration effectiveness index (IEM)	0.100	-	-

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 Una/BA
Origin	People	Precision
Itabuna/BA · view pair in the atlas	190	use with caution
Ilhéus/BA · view pair in the atlas	105	use with caution
São Paulo/SP · view pair in the atlas	90	low precision
Brasília/DF · view pair in the atlas	65	low precision
Canavieiras/BA · view pair in the atlas	65	low precision
Uruçuca/BA · view pair in the atlas	55	low precision
Jaguaré/ES · view pair in the atlas	50	low precision
Vitória/ES · view pair in the atlas	40	low precision
Rio de Janeiro/RJ · view pair in the atlas	40	low precision
Porto Seguro/BA · view pair in the atlas	30	low precision

Top 10 destinations of out-migrants from Una/BA
Destination	People	Precision
Ilhéus/BA · view pair in the atlas	120	low precision
São Paulo/SP · view pair in the atlas	105	low precision
Serra/ES · view pair in the atlas	100	low precision
Buerarema/BA · view pair in the atlas	65	low precision
Porto Seguro/BA · view pair in the atlas	50	low precision
Arataca/BA · view pair in the atlas	50	low precision
Itabuna/BA · view pair in the atlas	45	low precision
Santa Luzia/BA · view pair in the atlas	40	low precision
São José da Vitória/BA · view pair in the atlas	25	low precision

Profile of migrants and residents

In-migrants (arrivals)

Migrant type
Category	Estimate	Share	Sample
First move from municipality of birth	585	42.4%	100-499
Multi-step migration	540	39.1%	100-499
Return to municipality of birth	250	18.1%	50-99
Other / suppressed	5	0.4%	<5

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	315	39.4%	50-99
Completed high school, incomplete higher education	260	32.5%	50-99
Completed elementary, incomplete high school	155	19.4%	20-49
Completed higher education	70	8.8%	5-19

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
¼ to ½ minimum wage	440	31.9%	50-99
½ to 1 minimum wage	435	31.5%	50-99
Up to ¼ of a minimum wage	285	20.7%	50-99
1 to 2 minimum wages	130	9.4%	20-49
More than 2 minimum wages	65	4.7%	5-19
Other / suppressed	25	1.8%	<5

Age and sex
Category	Estimate	Share	Sample
Ages 25–39, female	220	15.9%	20-49
Ages 15–24, female	185	13.4%	20-49
Ages 25–39, male	175	12.7%	20-49
Ages 5–14, male	175	12.7%	20-49
Ages 40–59, male	130	9.4%	20-49
Ages 5–14, female	125	9.1%	20-49
Ages 40–59, female	115	8.3%	20-49
Ages 60 and over, male	100	7.2%	20-49
Ages 15–24, male	95	6.9%	20-49
Ages 60 and over, female	60	4.3%	5-19

Out-migrants (departures)

Migrant type
Category	Estimate	Share	Sample
First move from municipality of birth	540	47.8%	50-99
Multi-step migration	525	46.5%	50-99
Return to municipality of birth	65	5.8%	5-19

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	315	41.2%	20-49
Completed high school, incomplete higher education	295	38.6%	20-49
Completed elementary, incomplete high school	100	13.1%	5-19
Completed higher education	55	7.2%	5-19

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
¼ to ½ minimum wage	340	30.2%	50-99
½ to 1 minimum wage	310	27.6%	20-49
1 to 2 minimum wages	305	27.1%	20-49
More than 2 minimum wages	90	8.0%	5-19
Up to ¼ of a minimum wage	50	4.4%	5-19
Other / suppressed	30	2.7%	<5

Age and sex
Category	Estimate	Share	Sample
Ages 25–39, female	195	17.3%	20-49
Ages 25–39, male	170	15.1%	20-49
Ages 40–59, male	165	14.7%	5-19
Ages 15–24, male	150	13.3%	20-49
Ages 15–24, female	115	10.2%	5-19
Ages 40–59, female	110	9.8%	5-19
Ages 60 and over, male	80	7.1%	5-19
Ages 5–14, male	60	5.3%	5-19
Ages 5–14, female	40	3.6%	5-19
Ages 60 and over, female	40	3.6%	5-19

Non-migrant residents

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	6,250	57.7%	>=500
Completed high school, incomplete higher education	2,560	23.6%	>=500
Completed elementary, incomplete high school	1,365	12.6%	100-499
Completed higher education	660	6.1%	100-499

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
½ to 1 minimum wage	5,890	35.2%	>=500
¼ to ½ minimum wage	4,885	29.2%	>=500
Up to ¼ of a minimum wage	2,975	17.8%	>=500
1 to 2 minimum wages	2,165	12.9%	100-499
More than 2 minimum wages	800	4.8%	100-499
Other / suppressed	10	0.1%	<5

Age and sex
Category	Estimate	Share	Sample
Ages 40–59, male	2,210	14.2%	100-499
Ages 40–59, female	2,090	13.4%	100-499
Ages 25–39, female	1,790	11.5%	100-499
Ages 60 and over, male	1,630	10.5%	100-499
Ages 60 and over, female	1,585	10.2%	100-499
Ages 25–39, male	1,520	9.8%	100-499
Ages 15–24, male	1,270	8.1%	100-499
Ages 5–14, male	1,200	7.7%	100-499
Ages 15–24, female	1,130	7.3%	100-499
Ages 5–14, female	1,110	7.1%	100-499
Other / suppressed	50	0.3%	5-19

Commuting (work and study)

Commuting indicators for Una/BA
Employed persons (aged 10 and over)	6,660
Commute out to work in another municipality	130
Commute in from another municipality to work here	510
Net commuting	+380
Out-commuting rate (%)	1.98
Commuting attraction index	1.044
Median commuting time	60 min

Open Una/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]: Una/BA. Data from the 2022 Demographic Census (IBGE). Data version: 2026-10-01. Available at: https://atlas-da-migracao.github.io/en/municipio/una-ba-2932507/. Dataset DOI: https://doi.org/10.5281/zenodo.22469791.