Migration in Bilac/SP (2017–2022)

Bilac/SP had a reference population (aged 5 or over in 2022) of 6,960 people. In the 2017–2022 five-year period, the municipality received 555 in-migrants and lost 650 out-migrants to other municipalities in Brazil, resulting in a net migration of −90 people (−13.25 per 1,000 population) and a migration effectiveness index (IEM) of −0.077. This classifies the municipality, for the period, as one of migratory depletion. In addition, 0 arrived with an unreported origin and 5 came from abroad.

Indicators

Migration indicators for Bilac/SP, 2017–2022
Indicator	Estimate	95% CI	Precision
In-migrants	555	410 to 700	good
Out-migrants	650	422 to 878	use with caution
Net migration	−90	−360 to 180	not classified
Net migration rate, TLM (per 1,000 pop.)	−13.25	-	-
Migration effectiveness index (IEM)	−0.077	-	-

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 Bilac/SP
Origin	People	Precision
Araçatuba/SP · view pair in the atlas	105	use with caution
Birigui/SP · view pair in the atlas	60	low precision
São Paulo/SP · view pair in the atlas	30	low precision

Top 10 destinations of out-migrants from Bilac/SP
Destination	People	Precision
Birigui/SP · view pair in the atlas	215	low precision
Araçatuba/SP · view pair in the atlas	130	low precision
Buritama/SP · view pair in the atlas	30	low precision
Piacatu/SP · view pair in the atlas	15	low precision

Profile of migrants and residents

In-migrants (arrivals)

Migrant type
Category	Estimate	Share	Sample
Multi-step migration	305	54.5%	50-99
First move from municipality of birth	200	35.7%	50-99
Return to municipality of birth	50	8.9%	5-19
Other / suppressed	5	0.9%	<5

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
Completed high school, incomplete higher education	150	37.5%	20-49
No schooling or incomplete elementary	130	32.5%	20-49
Completed higher education	85	21.2%	5-19
Completed elementary, incomplete high school	35	8.8%	5-19

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
½ to 1 minimum wage	190	34.2%	20-49
1 to 2 minimum wages	140	25.2%	20-49
More than 2 minimum wages	130	23.4%	20-49
¼ to ½ minimum wage	65	11.7%	5-19
Other / suppressed	30	5.4%	5-19

Age and sex
Category	Estimate	Share	Sample
Ages 40–59, male	110	19.5%	20-49
Ages 25–39, female	75	13.3%	5-19
Ages 25–39, male	65	11.5%	5-19
Ages 5–14, male	60	10.6%	5-19
Ages 40–59, female	55	9.7%	5-19
Ages 60 and over, female	50	8.8%	5-19
Ages 60 and over, male	45	8.0%	5-19
Ages 15–24, male	40	7.1%	5-19
Ages 5–14, female	35	6.2%	5-19
Other / suppressed	30	5.3%	<5

Out-migrants (departures)

Migrant type
Category	Estimate	Share	Sample
Multi-step migration	315	48.5%	20-49
First move from municipality of birth	220	33.8%	20-49
Return to municipality of birth	115	17.7%	5-19

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
Completed high school, incomplete higher education	150	34.5%	20-49
Completed higher education	135	31.0%	5-19
No schooling or incomplete elementary	120	27.6%	5-19
Other / suppressed	30	6.9%	<5

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
1 to 2 minimum wages	330	50.4%	20-49
More than 2 minimum wages	140	21.4%	5-19
½ to 1 minimum wage	125	19.1%	20-49
¼ to ½ minimum wage	35	5.3%	5-19
Other / suppressed	25	3.8%	<5

Age and sex
Category	Estimate	Share	Sample
Ages 40–59, female	140	21.4%	5-19
Ages 25–39, male	100	15.3%	5-19
Other / suppressed	95	14.5%	5-19
Ages 15–24, female	90	13.7%	5-19
Ages 40–59, male	80	12.2%	5-19
Ages 25–39, female	60	9.2%	5-19
Ages 5–14, male	45	6.9%	5-19
Ages 15–24, male	45	6.9%	5-19

Non-migrant residents

Educational attainment (people aged 25 and over)
Category	Estimate	Share	Sample
No schooling or incomplete elementary	1,705	35.3%	100-499
Completed high school, incomplete higher education	1,565	32.4%	100-499
Completed elementary, incomplete high school	810	16.8%	100-499
Completed higher education	755	15.6%	100-499

Household income per capita (in 2022 minimum wages)
Category	Estimate	Share	Sample
1 to 2 minimum wages	2,475	36.6%	100-499
½ to 1 minimum wage	2,135	31.6%	100-499
More than 2 minimum wages	1,125	16.7%	100-499
¼ to ½ minimum wage	725	10.7%	100-499
Up to ¼ of a minimum wage	270	4.0%	50-99
Not applicable (collective dwelling)	25	0.4%	5-19

Age and sex
Category	Estimate	Share	Sample
Ages 40–59, female	1,005	15.7%	100-499
Ages 40–59, male	920	14.4%	100-499
Ages 60 and over, female	855	13.3%	100-499
Ages 60 and over, male	715	11.2%	100-499
Ages 25–39, female	680	10.6%	100-499
Ages 25–39, male	670	10.5%	100-499
Ages 15–24, male	400	6.2%	50-99
Ages 15–24, female	390	6.1%	50-99
Ages 5–14, female	390	6.1%	50-99
Ages 5–14, male	380	5.9%	50-99

Commuting (work and study)

Commuting indicators for Bilac/SP
Employed persons (aged 10 and over)	3,600
Commute out to work in another municipality	625
Commute in from another municipality to work here	425
Net commuting	−200
Out-commuting rate (%)	17.37
Commuting attraction index	0.900
Median commuting time	30 min

Open Bilac/SP 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]: Bilac/SP. Data from the 2022 Demographic Census (IBGE). Data version: 2026-10-01. Available at: https://atlas-da-migracao.github.io/en/municipio/bilac-sp-3506409/. Dataset DOI: https://doi.org/10.5281/zenodo.22469791.