Migration in Arroio dos Ratos/RS (2017–2022)

Arroio dos Ratos/RS had a reference population (aged 5 or over in 2022) of 13,770 people. In the 2017–2022 five-year period, the municipality received 2,100 in-migrants and lost 1,320 out-migrants to other municipalities in Brazil, resulting in a net migration of +775 people (56.38 per 1,000 population) and a migration effectiveness index (IEM) of 0.227. This classifies the municipality, for the period, as one of migratory attraction. In addition, 0 arrived with an unreported origin and 5 came from abroad.

Indicators

Migration indicators for Arroio dos Ratos/RS, 2017–2022
Indicator	Estimate	95% CI	Precision
In-migrants	2,100	1,780 to 2,420	good
Out-migrants	1,320	978 to 1,662	good
Net migration	+775	307 to 1,243	not classified
Net migration rate, TLM (per 1,000 pop.)	56.38	-	-
Migration effectiveness index (IEM)	0.227	-	-

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 Arroio dos Ratos/RS
Origin	People	Precision
Porto Alegre/RS · view pair in the atlas	660	good
Canoas/RS · view pair in the atlas	200	low precision
Charqueadas/RS · view pair in the atlas	155	use with caution
Eldorado do Sul/RS · view pair in the atlas	145	low precision
São Jerônimo/RS · view pair in the atlas	135	low precision
Viamão/RS · view pair in the atlas	70	low precision
Butiá/RS · view pair in the atlas	60	low precision
Barão do Triunfo/RS · view pair in the atlas	60	low precision
Gravataí/RS · view pair in the atlas	50	low precision
Alvorada/RS · view pair in the atlas	30	low precision

Top 10 destinations of out-migrants from Arroio dos Ratos/RS
Destination	People	Precision
Charqueadas/RS · view pair in the atlas	300	use with caution
Porto Alegre/RS · view pair in the atlas	235	low precision
Eldorado do Sul/RS · view pair in the atlas	120	low precision
Guaíba/RS · view pair in the atlas	65	low precision
São Jerônimo/RS · view pair in the atlas	65	low precision

Profile of migrants and residents

In-migrants (arrivals)

Migrant type
Category	Estimate	Share	Sample
Multi-step migration	1,005	47.9%	100-499
First move from municipality of birth	870	41.4%	100-499
Return to municipality of birth	215	10.2%	20-49
Other / suppressed	10	0.5%	<5

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	640	44.6%	100-499
Completed elementary, incomplete high school	355	24.7%	50-99
Completed high school, incomplete higher education	350	24.4%	50-99
Completed higher education	90	6.3%	5-19

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
Not applicable (collective dwelling)	570	27.1%	100-499
½ to 1 minimum wage	565	26.9%	50-99
¼ to ½ minimum wage	355	16.9%	50-99
1 to 2 minimum wages	260	12.4%	50-99
More than 2 minimum wages	190	9.0%	20-49
Up to ¼ of a minimum wage	160	7.6%	20-49

Age and sex
Category	Estimate	Share	Sample
Ages 25–39, male	565	26.9%	100-499
Ages 40–59, male	260	12.4%	20-49
Ages 25–39, female	210	10.0%	20-49
Ages 15–24, male	210	10.0%	20-49
Ages 5–14, male	190	9.0%	20-49
Ages 15–24, female	170	8.1%	20-49
Ages 40–59, female	165	7.9%	20-49
Ages 60 and over, male	120	5.7%	20-49
Ages 60 and over, female	110	5.2%	5-19
Ages 5–14, female	100	4.8%	5-19

Out-migrants (departures)

Migrant type
Category	Estimate	Share	Sample
Multi-step migration	595	44.9%	50-99
First move from municipality of birth	545	41.1%	50-99
Return to municipality of birth	185	14.0%	5-19

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	365	42.9%	20-49
Completed high school, incomplete higher education	265	31.2%	20-49
Completed elementary, incomplete high school	155	18.2%	5-19
Completed higher education	65	7.6%	5-19

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
1 to 2 minimum wages	380	28.8%	20-49
½ to 1 minimum wage	370	28.0%	20-49
¼ to ½ minimum wage	255	19.3%	20-49
More than 2 minimum wages	210	15.9%	5-19
Up to ¼ of a minimum wage	85	6.4%	5-19
Other / suppressed	20	1.5%	<5

Age and sex
Category	Estimate	Share	Sample
Ages 25–39, female	285	21.6%	20-49
Ages 15–24, female	200	15.2%	5-19
Ages 25–39, male	185	14.0%	20-49
Ages 40–59, female	150	11.4%	5-19
Ages 5–14, female	105	8.0%	5-19
Ages 15–24, male	90	6.8%	5-19
Ages 60 and over, male	85	6.4%	5-19
Ages 60 and over, female	85	6.4%	5-19
Ages 5–14, male	70	5.3%	5-19
Ages 40–59, male	65	4.9%	5-19

Non-migrant residents

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	3,750	44.0%	>=500
Completed high school, incomplete higher education	2,485	29.2%	100-499
Completed elementary, incomplete high school	1,250	14.7%	100-499
Completed higher education	1,030	12.1%	100-499

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
1 to 2 minimum wages	4,030	32.2%	>=500
½ to 1 minimum wage	3,775	30.2%	>=500
More than 2 minimum wages	1,920	15.4%	100-499
¼ to ½ minimum wage	1,795	14.4%	100-499
Up to ¼ of a minimum wage	960	7.7%	100-499
Other / suppressed	20	0.2%	<5

Age and sex
Category	Estimate	Share	Sample
Ages 40–59, female	1,700	14.6%	100-499
Ages 40–59, male	1,630	14.0%	100-499
Ages 60 and over, female	1,515	13.0%	100-499
Ages 60 and over, male	1,245	10.7%	100-499
Ages 25–39, female	1,235	10.6%	100-499
Ages 25–39, male	1,185	10.2%	100-499
Ages 15–24, male	845	7.2%	100-499
Ages 5–14, male	790	6.8%	100-499
Ages 5–14, female	765	6.6%	100-499
Ages 15–24, female	750	6.4%	100-499

Commuting (work and study)

Commuting indicators for Arroio dos Ratos/RS
Employed persons (aged 10 and over)	5,795
Commute out to work in another municipality	1,435
Commute in from another municipality to work here	340
Net commuting	−1,090
Out-commuting rate (%)	24.74
Commuting attraction index	0.801
Median commuting time	60 min

This municipality is part of Região Metropolitana de Porto Alegre → see the metropolitan region page

Open Arroio dos Ratos/RS 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]: Arroio dos Ratos/RS. Data from the 2022 Demographic Census (IBGE). Data version: 2026-10-01. Available at: https://atlas-da-migracao.github.io/en/municipio/arroio-dos-ratos-rs-4301107/. Dataset DOI: https://doi.org/10.5281/zenodo.22469791.