Migration in Rio Branco/AC (2017–2022)

Rio Branco/AC had a reference population (aged 5 or over in 2022) of 338,390 people. In the 2017–2022 five-year period, the municipality received 12,075 in-migrants and lost 33,475 out-migrants to other municipalities in Brazil, resulting in a net migration of −21,400 people (−63.24 per 1,000 population) and a migration effectiveness index (IEM) of −0.470. This classifies the municipality, for the period, as one of migratory depletion. In addition, 170 arrived with an unreported origin and 310 came from abroad.

Indicators

Migration indicators for Rio Branco/AC, 2017–2022
Indicator	Estimate	95% CI	Precision
In-migrants	12,075	11,023 to 13,127	good
Out-migrants	33,475	31,201 to 35,749	good
Net migration	−21,400	−23,905 to −18,895	not classified
Net migration rate, TLM (per 1,000 pop.)	−63.24	-	-
Migration effectiveness index (IEM)	−0.470	-	-

Sample of in-migrants: >=500 observations. Sample of out-migrants: >=500 observations. 95% confidence interval computed as estimate ± 1.96 × standard error.

Top origins and destinations

Top 10 origins of in-migrants to Rio Branco/AC
Origin	People	Precision
Cruzeiro do Sul/AC · view pair in the atlas	1,490	good
Sena Madureira/AC · view pair in the atlas	990	use with caution
Tarauacá/AC · view pair in the atlas	910	use with caution
Porto Velho/RO · view pair in the atlas	700	use with caution
Brasiléia/AC · view pair in the atlas	670	use with caution
Feijó/AC · view pair in the atlas	640	use with caution
Boca do Acre/AM · view pair in the atlas	485	use with caution
Manaus/AM · view pair in the atlas	475	use with caution
Xapuri/AC · view pair in the atlas	345	use with caution
Senador Guiomard/AC · view pair in the atlas	305	use with caution

Top 10 destinations of out-migrants from Rio Branco/AC
Destination	People	Precision
Porto Velho/RO · view pair in the atlas	2,475	use with caution
João Pessoa/PB · view pair in the atlas	1,425	use with caution
Senador Guiomard/AC · view pair in the atlas	1,140	good
Cruzeiro do Sul/AC · view pair in the atlas	1,010	good
Bujari/AC · view pair in the atlas	990	good
Goiânia/GO · view pair in the atlas	900	use with caution
Porto Acre/AC · view pair in the atlas	875	good
Brasiléia/AC · view pair in the atlas	805	use with caution
Florianópolis/SC · view pair in the atlas	775	low precision
Brasília/DF · view pair in the atlas	665	low precision

Profile of migrants and residents

In-migrants (arrivals)

Migrant type
Category	Estimate	Share	Sample
First move from municipality of birth	7,105	58.8%	>=500
Return to municipality of birth	2,475	20.5%	100-499
Multi-step migration	2,450	20.3%	100-499
Born abroad, internal migrant	50	0.4%	5-19

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
Completed high school, incomplete higher education	2,135	32.4%	100-499
Completed higher education	2,135	32.4%	100-499
No schooling or incomplete elementary	1,690	25.6%	100-499
Completed elementary, incomplete high school	635	9.6%	50-99

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
More than 2 minimum wages	2,675	22.1%	100-499
½ to 1 minimum wage	2,490	20.6%	100-499
Up to ¼ of a minimum wage	2,420	20.0%	100-499
¼ to ½ minimum wage	2,405	19.9%	100-499
1 to 2 minimum wages	1,975	16.3%	100-499
Not applicable (collective dwelling)	115	1.0%	5-19

Age and sex
Category	Estimate	Share	Sample
Ages 25–39, female	2,015	16.7%	100-499
Ages 15–24, female	1,915	15.9%	100-499
Ages 25–39, male	1,895	15.7%	100-499
Ages 15–24, male	1,260	10.4%	100-499
Ages 5–14, female	1,150	9.5%	100-499
Ages 5–14, male	1,085	9.0%	100-499
Ages 40–59, female	1,025	8.5%	100-499
Ages 40–59, male	945	7.8%	100-499
Ages 60 and over, female	340	2.8%	20-49
Ages 60 and over, male	335	2.8%	20-49
Other / suppressed	110	0.9%	5-19

Out-migrants (departures)

Migrant type
Category	Estimate	Share	Sample
First move from municipality of birth	21,425	64.0%	>=500
Multi-step migration	8,400	25.1%	>=500
Return to municipality of birth	3,515	10.5%	100-499
Born abroad, internal migrant	135	0.4%	5-19

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
Completed high school, incomplete higher education	7,080	36.1%	>=500
Completed higher education	6,235	31.8%	>=500
No schooling or incomplete elementary	3,870	19.7%	100-499
Completed elementary, incomplete high school	2,425	12.4%	100-499

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
½ to 1 minimum wage	9,925	29.6%	>=500
1 to 2 minimum wages	7,105	21.2%	>=500
More than 2 minimum wages	6,150	18.4%	>=500
¼ to ½ minimum wage	5,270	15.7%	>=500
Up to ¼ of a minimum wage	4,675	14.0%	>=500
Not applicable (collective dwelling)	355	1.1%	20-49

Age and sex
Category	Estimate	Share	Sample
Ages 25–39, female	6,355	19.0%	>=500
Ages 25–39, male	5,475	16.4%	>=500
Ages 15–24, female	3,805	11.4%	100-499
Ages 5–14, male	3,595	10.7%	100-499
Ages 40–59, female	3,335	10.0%	100-499
Ages 5–14, female	3,335	10.0%	100-499
Ages 15–24, male	3,080	9.2%	100-499
Ages 40–59, male	2,900	8.7%	100-499
Ages 60 and over, female	830	2.5%	50-99
Ages 60 and over, male	670	2.0%	50-99
Other / suppressed	95	0.3%	5-19

Non-migrant residents

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
Completed high school, incomplete higher education	67,105	32.1%	>=500
No schooling or incomplete elementary	64,870	31.1%	>=500
Completed higher education	49,915	23.9%	>=500
Completed elementary, incomplete high school	26,995	12.9%	>=500

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
½ to 1 minimum wage	98,780	28.0%	>=500
¼ to ½ minimum wage	77,695	22.1%	>=500
1 to 2 minimum wages	65,330	18.5%	>=500
Up to ¼ of a minimum wage	56,425	16.0%	>=500
More than 2 minimum wages	51,460	14.6%	>=500
Not applicable (collective dwelling)	2,510	0.7%	100-499

Age and sex
Category	Estimate	Share	Sample
Ages 25–39, female	45,470	14.0%	>=500
Ages 40–59, female	45,280	13.9%	>=500
Ages 25–39, male	41,825	12.8%	>=500
Ages 40–59, male	39,705	12.2%	>=500
Ages 15–24, male	30,695	9.4%	>=500
Ages 15–24, female	30,110	9.2%	>=500
Ages 5–14, male	28,480	8.7%	>=500
Ages 5–14, female	27,650	8.5%	>=500
Ages 60 and over, female	20,105	6.2%	>=500
Ages 60 and over, male	16,490	5.1%	>=500
Other / suppressed	15	0.0%	<5

Commuting (work and study)

Commuting indicators for Rio Branco/AC
Employed persons (aged 10 and over)	151,105
Commute out to work in another municipality	1,530
Commute in from another municipality to work here	2,885
Net commuting	+1,355
Out-commuting rate (%)	1.01
Commuting attraction index	0.997
Median commuting time	60 min

Open Rio Branco/AC 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]: Rio Branco/AC. Data from the 2022 Demographic Census (IBGE). Data version: 2026-10-01. Available at: https://atlas-da-migracao.github.io/en/municipio/rio-branco-ac-1200401/. Dataset DOI: https://doi.org/10.5281/zenodo.22469791.