Migration in São Martinho/SC (2017–2022)

São Martinho/SC had a reference population (aged 5 or over in 2022) of 3,185 people. In the 2017–2022 five-year period, the municipality received 245 in-migrants and lost 175 out-migrants to other municipalities in Brazil, resulting in a net migration of +65 people (21.06 per 1,000 population) and a migration effectiveness index (IEM) of 0.159. This classifies the municipality, for the period, as one of migratory attraction.

Indicators

Migration indicators for São Martinho/SC, 2017–2022
Indicator	Estimate	95% CI	Precision
In-migrants	245	170 to 320	use with caution
Out-migrants	175	100 to 250	use with caution
Net migration	+65	−41 to 171	not classified
Net migration rate, TLM (per 1,000 pop.)	21.06	-	-
Migration effectiveness index (IEM)	0.159	-	-

Sample of in-migrants: 50-99 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/SC
Origin	People	Precision
Armazém/SC · view pair in the atlas	45	low precision
Imaruí/SC · view pair in the atlas	20	low precision
Braço do Norte/SC · view pair in the atlas	20	low precision
Tubarão/SC · view pair in the atlas	15	low precision

Top 10 destinations of out-migrants from São Martinho/SC
Destination	People	Precision
Armazém/SC · view pair in the atlas	80	low precision

Profile of migrants and residents

In-migrants (arrivals)

Migrant type
Category	Estimate	Share	Sample
First move from municipality of birth	110	44.9%	20-49
Multi-step migration	95	38.8%	20-49
Return to municipality of birth	40	16.3%	5-19

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	50	28.6%	5-19
Completed high school, incomplete higher education	45	25.7%	5-19
Completed higher education	45	25.7%	5-19
Completed elementary, incomplete high school	35	20.0%	5-19

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
More than 2 minimum wages	90	36.7%	20-49
1 to 2 minimum wages	85	34.7%	20-49
½ to 1 minimum wage	65	26.5%	20-49
Other / suppressed	5	2.0%	<5

Age and sex
Category	Estimate	Share	Sample
Ages 25–39, male	50	20.4%	5-19
Ages 40–59, female	35	14.3%	5-19
Ages 25–39, female	30	12.2%	5-19
Ages 15–24, female	30	12.2%	5-19
Other / suppressed	25	10.2%	5-19
Ages 60 and over, male	20	8.2%	5-19
Ages 60 and over, female	20	8.2%	5-19
Ages 40–59, male	20	8.2%	5-19
Ages 15–24, male	15	6.1%	5-19

Out-migrants (departures)

Migrant type
Category	Estimate	Share	Sample
First move from municipality of birth	90	51.4%	5-19
Multi-step migration	65	37.1%	5-19
Return to municipality of birth	20	11.4%	5-19

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
Completed high school, incomplete higher education	55	39.3%	5-19
No schooling or incomplete elementary	45	32.1%	5-19
Other / suppressed	40	28.6%	5-19

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
More than 2 minimum wages	65	35.1%	5-19
½ to 1 minimum wage	50	27.0%	5-19
1 to 2 minimum wages	35	18.9%	5-19
¼ to ½ minimum wage	30	16.2%	5-19
Other / suppressed	5	2.7%	<5

Age and sex
Category	Estimate	Share	Sample
Other / suppressed	125	69.4%	20-49
Ages 25–39, male	55	30.6%	5-19

Non-migrant residents

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	1,075	47.9%	100-499
Completed high school, incomplete higher education	565	25.2%	100-499
Completed elementary, incomplete high school	310	13.8%	50-99
Completed higher education	295	13.1%	50-99

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
1 to 2 minimum wages	1,430	45.3%	100-499
More than 2 minimum wages	875	27.7%	100-499
½ to 1 minimum wage	695	22.0%	100-499
¼ to ½ minimum wage	150	4.7%	20-49
Other / suppressed	10	0.3%	<5

Age and sex
Category	Estimate	Share	Sample
Ages 40–59, male	460	15.6%	100-499
Ages 40–59, female	405	13.7%	100-499
Ages 60 and over, female	390	13.2%	100-499
Ages 60 and over, male	360	12.2%	100-499
Ages 25–39, female	320	10.8%	50-99
Ages 25–39, male	315	10.7%	50-99
Ages 15–24, male	190	6.4%	50-99
Ages 5–14, male	185	6.3%	50-99
Ages 5–14, female	165	5.6%	50-99
Ages 15–24, female	160	5.4%	50-99

Commuting (work and study)

Commuting indicators for São Martinho/SC
Employed persons (aged 10 and over)	2,140
Commute out to work in another municipality	180
Commute in from another municipality to work here	180
Net commuting	0
Out-commuting rate (%)	8.49
Commuting attraction index	0.649
Median commuting time	15 min

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

Open São Martinho/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]: São Martinho/SC. Data from the 2022 Demographic Census (IBGE). Data version: 2026-10-01. Available at: https://atlas-da-migracao.github.io/en/municipio/sao-martinho-sc-4217105/. Dataset DOI: https://doi.org/10.5281/zenodo.22469791.