Migration in São Martinho da Serra/RS (2017–2022)

São Martinho da Serra/RS had a reference population (aged 5 or over in 2022) of 2,740 people. In the 2017–2022 five-year period, the municipality received 325 in-migrants and lost 165 out-migrants to other municipalities in Brazil, resulting in a net migration of +165 people (59.44 per 1,000 population) and a migration effectiveness index (IEM) of 0.333. This classifies the municipality, for the period, as one of migratory attraction.

Indicators

Migration indicators for São Martinho da Serra/RS, 2017–2022
Indicator	Estimate	95% CI	Precision
In-migrants	325	227 to 423	use with caution
Out-migrants	165	72 to 258	use with caution
Net migration	+165	30 to 300	not classified
Net migration rate, TLM (per 1,000 pop.)	59.44	-	-
Migration effectiveness index (IEM)	0.333	-	-

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 São Martinho da Serra/RS
Origin	People	Precision
Santa Maria/RS · view pair in the atlas	220	use with caution
Júlio de Castilhos/RS · view pair in the atlas	40	low precision

Top 10 destinations of out-migrants from São Martinho da Serra/RS
Destination	People	Precision
Santa Maria/RS · view pair in the atlas	95	low precision

Profile of migrants and residents

In-migrants (arrivals)

Migrant type
Category	Estimate	Share	Sample
First move from municipality of birth	160	49.2%	50-99
Return to municipality of birth	85	26.2%	20-49
Multi-step migration	80	24.6%	20-49

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
Completed high school, incomplete higher education	75	34.1%	20-49
No schooling or incomplete elementary	65	29.5%	20-49
Completed elementary, incomplete high school	55	25.0%	5-19
Completed higher education	25	11.4%	5-19

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
½ to 1 minimum wage	120	36.9%	20-49
1 to 2 minimum wages	80	24.6%	20-49
More than 2 minimum wages	50	15.4%	5-19
Up to ¼ of a minimum wage	50	15.4%	5-19
¼ to ½ minimum wage	25	7.7%	5-19

Age and sex
Category	Estimate	Share	Sample
Ages 25–39, female	55	17.2%	5-19
Ages 25–39, male	50	15.6%	5-19
Ages 40–59, female	40	12.5%	5-19
Ages 5–14, male	35	10.9%	5-19
Ages 40–59, male	35	10.9%	5-19
Ages 15–24, male	35	10.9%	5-19
Ages 15–24, female	20	6.2%	5-19
Ages 60 and over, male	20	6.2%	5-19
Ages 5–14, female	15	4.7%	5-19
Ages 60 and over, female	15	4.7%	5-19

Out-migrants (departures)

Migrant type
Category	Estimate	Share	Sample
First move from municipality of birth	85	53.1%	5-19
Multi-step migration	55	34.4%	5-19
Other / suppressed	20	12.5%	<5

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	65	54.2%	5-19
Completed high school, incomplete higher education	30	25.0%	5-19
Other / suppressed	25	20.8%	<5

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
½ to 1 minimum wage	65	39.4%	5-19
1 to 2 minimum wages	55	33.3%	5-19
¼ to ½ minimum wage	35	21.2%	5-19
Other / suppressed	10	6.1%	<5

Age and sex
Category	Estimate	Share	Sample
Other / suppressed	70	42.4%	5-19
Ages 40–59, female	45	27.3%	5-19
Ages 15–24, male	30	18.2%	5-19
Ages 60 and over, male	20	12.1%	5-19

Non-migrant residents

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	1,095	58.4%	100-499
Completed high school, incomplete higher education	400	21.3%	100-499
Completed elementary, incomplete high school	225	12.0%	50-99
Completed higher education	155	8.3%	20-49

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
½ to 1 minimum wage	920	36.3%	100-499
1 to 2 minimum wages	765	30.2%	100-499
More than 2 minimum wages	400	15.8%	100-499
¼ to ½ minimum wage	345	13.6%	100-499
Up to ¼ of a minimum wage	105	4.1%	20-49

Age and sex
Category	Estimate	Share	Sample
Ages 60 and over, male	405	16.7%	100-499
Ages 60 and over, female	380	15.7%	100-499
Ages 40–59, male	375	15.5%	100-499
Ages 40–59, female	360	14.9%	100-499
Ages 25–39, male	185	7.6%	50-99
Ages 25–39, female	175	7.2%	20-49
Ages 5–14, male	145	6.0%	20-49
Ages 5–14, female	140	5.8%	20-49
Ages 15–24, male	135	5.6%	20-49
Ages 15–24, female	120	5.0%	20-49

Commuting (work and study)

Commuting indicators for São Martinho da Serra/RS
Employed persons (aged 10 and over)	1,120
Commute out to work in another municipality	115
Commute in from another municipality to work here	90
Net commuting	−25
Out-commuting rate (%)	10.10
Commuting attraction index	0.962
Median commuting time	60 min

Open São Martinho da Serra/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]: São Martinho da Serra/RS. Data from the 2022 Demographic Census (IBGE). Data version: 2026-10-01. Available at: https://atlas-da-migracao.github.io/en/municipio/sao-martinho-da-serra-rs-4319125/. Dataset DOI: https://doi.org/10.5281/zenodo.22469791.