Migration in Piatã/BA (2017–2022)

Piatã/BA had a reference population (aged 5 or over in 2022) of 18,895 people. In the 2017–2022 five-year period, the municipality received 965 in-migrants and lost 675 out-migrants to other municipalities in Brazil, resulting in a net migration of +290 people (15.26 per 1,000 population) and a migration effectiveness index (IEM) of 0.176. This classifies the municipality, for the period, as one of migratory attraction. In addition, 45 arrived with an unreported origin and 10 came from abroad.

Indicators

Migration indicators for Piatã/BA, 2017–2022
Indicator	Estimate	95% CI	Precision
In-migrants	965	776 to 1,154	good
Out-migrants	675	406 to 944	use with caution
Net migration	+290	−38 to 618	not classified
Net migration rate, TLM (per 1,000 pop.)	15.26	-	-
Migration effectiveness index (IEM)	0.176	-	-

Sample of in-migrants: 100-499 observations. Sample of out-migrants: 50-99 observations. 95% confidence interval computed as estimate ± 1.96 × standard error.

Top origins and destinations

Top 10 origins of in-migrants to Piatã/BA
Origin	People	Precision
São Paulo/SP · view pair in the atlas	295	use with caution
Abaíra/BA · view pair in the atlas	45	low precision
Salvador/BA · view pair in the atlas	40	low precision
Santo André/SP · view pair in the atlas	35	low precision
Santos/SP · view pair in the atlas	30	low precision
Livramento de Nossa Senhora/BA · view pair in the atlas	25	low precision

Top 10 destinations of out-migrants from Piatã/BA
Destination	People	Precision
São Paulo/SP · view pair in the atlas	90	low precision
Boninal/BA · view pair in the atlas	55	low precision

Profile of migrants and residents

In-migrants (arrivals)

Migrant type
Category	Estimate	Share	Sample
First move from municipality of birth	375	39.1%	50-99
Return to municipality of birth	360	37.5%	50-99
Multi-step migration	225	23.4%	20-49

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
Completed high school, incomplete higher education	315	46.7%	50-99
No schooling or incomplete elementary	220	32.6%	20-49
Completed higher education	100	14.8%	20-49
Completed elementary, incomplete high school	40	5.9%	5-19

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
¼ to ½ minimum wage	315	32.8%	50-99
½ to 1 minimum wage	275	28.6%	50-99
Up to ¼ of a minimum wage	135	14.1%	20-49
1 to 2 minimum wages	130	13.5%	20-49
More than 2 minimum wages	80	8.3%	5-19
Not applicable (collective dwelling)	25	2.6%	5-19

Age and sex
Category	Estimate	Share	Sample
Ages 25–39, female	210	21.6%	20-49
Ages 25–39, male	165	17.0%	20-49
Ages 40–59, female	110	11.3%	20-49
Ages 5–14, male	110	11.3%	20-49
Ages 40–59, male	105	10.8%	20-49
Ages 15–24, female	90	9.3%	5-19
Ages 5–14, female	70	7.2%	5-19
Ages 60 and over, male	50	5.2%	5-19
Ages 60 and over, female	35	3.6%	5-19
Other / suppressed	25	2.6%	<5

Out-migrants (departures)

Migrant type
Category	Estimate	Share	Sample
First move from municipality of birth	475	70.4%	20-49
Multi-step migration	145	21.5%	5-19
Return to municipality of birth	55	8.1%	5-19

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
Completed high school, incomplete higher education	190	51.4%	5-19
No schooling or incomplete elementary	75	20.3%	5-19
Other / suppressed	60	16.2%	<5
Completed higher education	45	12.2%	5-19

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
1 to 2 minimum wages	195	28.9%	5-19
Up to ¼ of a minimum wage	175	25.9%	5-19
½ to 1 minimum wage	145	21.5%	20-49
¼ to ½ minimum wage	95	14.1%	5-19
More than 2 minimum wages	65	9.6%	5-19

Age and sex
Category	Estimate	Share	Sample
Ages 25–39, male	140	20.6%	5-19
Ages 25–39, female	140	20.6%	5-19
Ages 15–24, female	130	19.1%	5-19
Ages 15–24, male	90	13.2%	5-19
Ages 5–14, male	50	7.4%	5-19
Other / suppressed	50	7.4%	5-19
Ages 40–59, female	45	6.6%	5-19
Ages 5–14, female	35	5.1%	5-19

Non-migrant residents

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	7,855	64.1%	>=500
Completed high school, incomplete higher education	2,665	21.7%	>=500
Completed elementary, incomplete high school	950	7.8%	100-499
Completed higher education	785	6.4%	100-499

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
½ to 1 minimum wage	6,080	31.9%	>=500
¼ to ½ minimum wage	5,605	29.4%	>=500
Up to ¼ of a minimum wage	4,905	25.7%	>=500
1 to 2 minimum wages	2,110	11.1%	100-499
More than 2 minimum wages	350	1.8%	50-99
Other / suppressed	10	0.1%	<5

Age and sex
Category	Estimate	Share	Sample
Ages 40–59, female	2,380	13.3%	100-499
Ages 40–59, male	2,285	12.8%	100-499
Ages 60 and over, female	2,100	11.8%	100-499
Ages 25–39, female	1,975	11.1%	100-499
Ages 25–39, male	1,795	10.0%	100-499
Ages 60 and over, male	1,720	9.6%	100-499
Ages 15–24, male	1,475	8.3%	100-499
Ages 15–24, female	1,405	7.9%	100-499
Ages 5–14, male	1,400	7.8%	100-499
Ages 5–14, female	1,335	7.5%	100-499

Commuting (work and study)

Commuting indicators for Piatã/BA
Employed persons (aged 10 and over)	6,145
Commute out to work in another municipality	235
Commute in from another municipality to work here	250
Net commuting	+15
Out-commuting rate (%)	3.85
Commuting attraction index	1.000
Median commuting time	30 min

Open Piatã/BA 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]: Piatã/BA. Data from the 2022 Demographic Census (IBGE). Data version: 2026-10-01. Available at: https://atlas-da-migracao.github.io/en/municipio/piata-ba-2924306/. Dataset DOI: https://doi.org/10.5281/zenodo.22469791.