Migration in Arroio Trinta/SC (2017–2022)

Arroio Trinta/SC had a reference population (aged 5 or over in 2022) of 3,375 people. In the 2017–2022 five-year period, the municipality received 415 in-migrants and lost 180 out-migrants to other municipalities in Brazil, resulting in a net migration of +235 people (70.32 per 1,000 population) and a migration effectiveness index (IEM) of 0.400. This classifies the municipality, for the period, as one of migratory attraction. In addition, 5 arrived with an unreported origin and 10 came from abroad.

Indicators

Migration indicators for Arroio Trinta/SC, 2017–2022
Indicator	Estimate	95% CI	Precision
In-migrants	415	306 to 524	good
Out-migrants	180	89 to 271	use with caution
Net migration	+235	93 to 377	not classified
Net migration rate, TLM (per 1,000 pop.)	70.32	-	-
Migration effectiveness index (IEM)	0.400	-	-

Sample of in-migrants: 100-499 observations. Sample of out-migrants: 20-49 observations. 95% confidence interval computed as estimate ± 1.96 × standard error.

Top origins and destinations

Top 10 origins of in-migrants to Arroio Trinta/SC
Origin	People	Precision
Salto Veloso/SC · view pair in the atlas	65	low precision
Videira/SC · view pair in the atlas	55	low precision
Caçador/SC · view pair in the atlas	45	low precision
Manaus/AM · view pair in the atlas	40	low precision
Macieira/SC · view pair in the atlas	15	low precision
Iomerê/SC · view pair in the atlas	10	low precision

Top 10 destinations of out-migrants from Arroio Trinta/SC
Destination	People	Precision
Salto Veloso/SC · view pair in the atlas	20	low precision

Profile of migrants and residents

In-migrants (arrivals)

Migrant type
Category	Estimate	Share	Sample
Multi-step migration	195	47.0%	50-99
First move from municipality of birth	170	41.0%	50-99
Return to municipality of birth	50	12.0%	5-19

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	85	32.7%	20-49
Completed elementary, incomplete high school	65	25.0%	20-49
Completed high school, incomplete higher education	65	25.0%	5-19
Completed higher education	45	17.3%	5-19

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
½ to 1 minimum wage	150	36.1%	50-99
1 to 2 minimum wages	145	34.9%	20-49
More than 2 minimum wages	90	21.7%	20-49
¼ to ½ minimum wage	30	7.2%	5-19

Age and sex
Category	Estimate	Share	Sample
Ages 25–39, female	85	20.0%	20-49
Ages 25–39, male	70	16.5%	20-49
Ages 15–24, male	50	11.8%	5-19
Ages 15–24, female	50	11.8%	5-19
Ages 5–14, male	45	10.6%	5-19
Ages 40–59, female	40	9.4%	5-19
Ages 40–59, male	30	7.1%	5-19
Ages 5–14, female	20	4.7%	5-19
Ages 60 and over, male	20	4.7%	5-19
Ages 60 and over, female	15	3.5%	5-19

Out-migrants (departures)

Migrant type
Category	Estimate	Share	Sample
Multi-step migration	110	61.1%	20-49
First move from municipality of birth	45	25.0%	5-19
Other / suppressed	25	13.9%	5-19

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	45	33.3%	5-19
Completed high school, incomplete higher education	35	25.9%	5-19
Completed higher education	30	22.2%	5-19
Other / suppressed	25	18.5%	<5

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
More than 2 minimum wages	70	41.2%	5-19
1 to 2 minimum wages	50	29.4%	5-19
½ to 1 minimum wage	40	23.5%	5-19
Other / suppressed	10	5.9%	5-19

Age and sex
Category	Estimate	Share	Sample
Other / suppressed	95	52.8%	20-49
Ages 25–39, female	40	22.2%	5-19
Ages 25–39, male	30	16.7%	5-19
Ages 5–14, male	15	8.3%	5-19

Non-migrant residents

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	1,155	49.3%	100-499
Completed high school, incomplete higher education	575	24.5%	100-499
Completed higher education	350	14.9%	100-499
Completed elementary, incomplete high school	265	11.3%	50-99

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
1 to 2 minimum wages	1,285	41.1%	100-499
More than 2 minimum wages	910	29.1%	100-499
½ to 1 minimum wage	825	26.4%	100-499
¼ to ½ minimum wage	100	3.2%	20-49
Other / suppressed	5	0.2%	<5

Age and sex
Category	Estimate	Share	Sample
Ages 40–59, female	485	16.5%	100-499
Ages 40–59, male	470	16.0%	100-499
Ages 60 and over, female	425	14.4%	100-499
Ages 60 and over, male	395	13.4%	100-499
Ages 25–39, male	305	10.4%	50-99
Ages 25–39, female	255	8.7%	50-99
Ages 15–24, female	175	5.9%	50-99
Ages 5–14, female	170	5.8%	50-99
Ages 15–24, male	145	4.9%	20-49
Ages 5–14, male	120	4.1%	20-49

Commuting (work and study)

Commuting indicators for Arroio Trinta/SC
Employed persons (aged 10 and over)	1,890
Commute out to work in another municipality	225
Commute in from another municipality to work here	90
Net commuting	−140
Out-commuting rate (%)	12.00
Commuting attraction index	0.896
Median commuting time	30 min

This municipality is part of Região Metropolitana do Contestado → see the metropolitan region page

Open Arroio Trinta/SC 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 Trinta/SC. Data from the 2022 Demographic Census (IBGE). Data version: 2026-10-01. Available at: https://atlas-da-migracao.github.io/en/municipio/arroio-trinta-sc-4201604/. Dataset DOI: https://doi.org/10.5281/zenodo.22469791.