Migration in Castelo do Piauí/PI (2017–2022)
Castelo do Piauí/PI had a reference population (aged 5 or over in 2022) of 18,035 people. In the 2017–2022 five-year period, the municipality received 900 in-migrants and lost 1,395 out-migrants to other municipalities in Brazil, resulting in a net migration of −490 people (−27.24 per 1,000 population) and a migration effectiveness index (IEM) of −0.214. This classifies the municipality, for the period, as one of migratory depletion. In addition, 25 arrived with an unreported origin and 20 came from abroad.
Indicators
Migration indicators for Castelo do Piauí/PI, 2017–2022
| Indicator | Estimate | 95% CI | Precision |
| In-migrants | 900 | 714 to 1,086 | good |
| Out-migrants | 1,395 | 931 to 1,859 | use with caution |
| Net migration | −490 | −990 to 10 | not classified |
| Net migration rate, TLM (per 1,000 pop.) | −27.24 | - | - |
| Migration effectiveness index (IEM) | −0.214 | - | - |
Sample of in-migrants: 100-499 observations. Sample of out-migrants: 100-499 observations. 95% confidence interval computed as estimate ± 1.96 × standard error.
Top origins and destinations
Profile of migrants and residents
In-migrants (arrivals)
Migrant type
| Category | Estimate | Share | Sample |
| Return to municipality of birth | 460 | 51.1% | 50-99 |
| First move from municipality of birth | 290 | 32.2% | 50-99 |
| Multi-step migration | 150 | 16.7% | 20-49 |
Educational attainment (people aged 25 and over)
| Category | Estimate | Share | Sample |
| No schooling or incomplete elementary | 225 | 38.5% | 20-49 |
| Completed high school, incomplete higher education | 170 | 29.1% | 20-49 |
| Completed higher education | 125 | 21.4% | 20-49 |
| Completed elementary, incomplete high school | 65 | 11.1% | 5-19 |
Household income per capita (in 2022 minimum wages)
| Category | Estimate | Share | Sample |
| Up to ¼ of a minimum wage | 300 | 33.3% | 50-99 |
| ¼ to ½ minimum wage | 225 | 25.0% | 50-99 |
| ½ to 1 minimum wage | 215 | 23.9% | 20-49 |
| 1 to 2 minimum wages | 135 | 15.0% | 20-49 |
| Other / suppressed | 25 | 2.8% | <5 |
Age and sex
| Category | Estimate | Share | Sample |
| Ages 25–39, female | 165 | 18.3% | 20-49 |
| Ages 25–39, male | 160 | 17.8% | 20-49 |
| Ages 40–59, male | 105 | 11.7% | 20-49 |
| Ages 15–24, female | 100 | 11.1% | 20-49 |
| Ages 40–59, female | 90 | 10.0% | 5-19 |
| Ages 5–14, female | 80 | 8.9% | 20-49 |
| Ages 15–24, male | 75 | 8.3% | 5-19 |
| Ages 5–14, male | 65 | 7.2% | 5-19 |
| Ages 60 and over, male | 50 | 5.6% | 5-19 |
| Other / suppressed | 10 | 1.1% | <5 |
Out-migrants (departures)
Migrant type
| Category | Estimate | Share | Sample |
| First move from municipality of birth | 930 | 66.7% | 100-499 |
| Multi-step migration | 275 | 19.7% | 20-49 |
| Return to municipality of birth | 190 | 13.6% | 20-49 |
Educational attainment (people aged 25 and over)
| Category | Estimate | Share | Sample |
| No schooling or incomplete elementary | 260 | 39.1% | 20-49 |
| Completed elementary, incomplete high school | 245 | 36.8% | 20-49 |
| Completed high school, incomplete higher education | 125 | 18.8% | 5-19 |
| Completed higher education | 35 | 5.3% | 5-19 |
Household income per capita (in 2022 minimum wages)
| Category | Estimate | Share | Sample |
| ½ to 1 minimum wage | 405 | 29.1% | 20-49 |
| ¼ to ½ minimum wage | 370 | 26.6% | 20-49 |
| Up to ¼ of a minimum wage | 345 | 24.8% | 20-49 |
| 1 to 2 minimum wages | 175 | 12.6% | 20-49 |
| More than 2 minimum wages | 95 | 6.8% | 5-19 |
Age and sex
| Category | Estimate | Share | Sample |
| Ages 15–24, male | 315 | 22.7% | 20-49 |
| Ages 15–24, female | 245 | 17.7% | 20-49 |
| Ages 25–39, female | 185 | 13.4% | 20-49 |
| Ages 25–39, male | 165 | 11.9% | 20-49 |
| Ages 40–59, female | 135 | 9.7% | 5-19 |
| Ages 40–59, male | 125 | 9.0% | 5-19 |
| Ages 5–14, female | 105 | 7.6% | 5-19 |
| Ages 5–14, male | 60 | 4.3% | 5-19 |
| Other / suppressed | 25 | 1.8% | <5 |
| Ages 60 and over, female | 25 | 1.8% | 5-19 |
Non-migrant residents
Educational attainment (people aged 25 and over)
| Category | Estimate | Share | Sample |
| No schooling or incomplete elementary | 7,415 | 63.8% | >=500 |
| Completed high school, incomplete higher education | 1,785 | 15.3% | 100-499 |
| Completed elementary, incomplete high school | 1,410 | 12.1% | 100-499 |
| Completed higher education | 1,020 | 8.8% | 100-499 |
Household income per capita (in 2022 minimum wages)
| Category | Estimate | Share | Sample |
| Up to ¼ of a minimum wage | 5,920 | 32.3% | >=500 |
| ½ to 1 minimum wage | 5,210 | 28.4% | >=500 |
| ¼ to ½ minimum wage | 4,865 | 26.5% | >=500 |
| 1 to 2 minimum wages | 1,965 | 10.7% | 100-499 |
| More than 2 minimum wages | 380 | 2.1% | 50-99 |
Age and sex
| Category | Estimate | Share | Sample |
| Ages 40–59, female | 2,350 | 13.8% | 100-499 |
| Ages 40–59, male | 2,180 | 12.8% | 100-499 |
| Ages 60 and over, female | 1,900 | 11.1% | 100-499 |
| Ages 25–39, male | 1,825 | 10.7% | 100-499 |
| Ages 25–39, female | 1,800 | 10.5% | 100-499 |
| Ages 60 and over, male | 1,575 | 9.2% | 100-499 |
| Ages 15–24, male | 1,465 | 8.6% | 100-499 |
| Ages 5–14, male | 1,425 | 8.3% | 100-499 |
| Ages 5–14, female | 1,325 | 7.8% | 100-499 |
| Ages 15–24, female | 1,245 | 7.3% | 100-499 |
Commuting (work and study)
Commuting indicators for Castelo do Piauí/PI
| Employed persons (aged 10 and over) | 5,115 |
| Commute out to work in another municipality | 285 |
| Commute in from another municipality to work here | 295 |
| Net commuting | +10 |
| Out-commuting rate (%) | 5.59 |
| Commuting attraction index | 0.987 |
| Median commuting time | 40 min |
Open Castelo do Piauí/PI 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]: Castelo do Piauí/PI. Data from the 2022 Demographic Census (IBGE). Data version: 2026-10-01. Available at: https://atlas-da-migracao.github.io/en/municipio/castelo-do-piaui-pi-2202604/. Dataset DOI: https://doi.org/10.5281/zenodo.22469791.